1996-200: PhD in “Tunable Wavelength Conversion for All-Optical Networks”
Department of Electronic Systems Engineering, University of Essex, UK

The research focused on all-optical fast tunable wavelength conversion employing semiconductor optical amplifiers. This work included detailed theoretical modelling and experimental evaluation of the performance of various wavelength conversion techniques. Their suitability for circuit and packet switched all-optical networks was investigated through a number of system experiments involving optical cross-connects and optical packet switch nodes.

1993-1994: MSc on "The Physics of Laser Communications"
Department of Physics, University of Essex, UK

1988-1992: BSc in "Physics"
Department of Physics, University of Crete, Greece.

March 2003-Currently: Athens Information Technology Center of Excellence in Research and Graduate Education
Associate Professor
Head of the Network Design and Services Group
Academic Program Director of the Master in Information and Telecommunications Technology (MSITT)
Adjunct faculty member of the Information Networking Institute, Carnegie Mellon University, USA
Research work and interests:

• optical networking
• cross-layer network design and traffic provisioning
• network convergence in support of telecommunications and IT services

June 2001-March 2003: Altamar Networks UK, Subsidiary of Ditech Communications Ltd
Principal Engineer.Responsible for optical architecture and system design.

Feb 2000-June 2001: Ilotron Ltd, UK
Co-founder and Senior Engineer.The position involved intellectual property generation and responsibility of the design of the main Ilotron products

Department of Electronic Systems Engineering, University of Essex, UK
Oct 2000-June 2001:
Visiting lecturer teaching the “Optical Fibre Communication Systems” course for the final year BSc in Electronics Engineering.
1998-2002:
Visiting lecturer teaching several short courses (Broadband Networks, Photonic Networks, IP and The Optical Layer, Terabit Optical Communications, Devices for WDM Transmission) given in the framework of the MSc programmes on “Telecommunication and Information Systems” and “The Physics of Laser Communications”.
1996-Jan 2000:
Senior Research Officer for the Advanced Communications Technologies and Services (ACTS) project entitled “Horizontal Action in Optical Networking” (HORIZON) funded by the European Commission.
1995-1996:
Senior Research Officer for the Race R2028 “Multi-wavelength Transport Network” (MWTN) consortium project, funded by the European Commission (EC). The project focused on the design and development of the first Optical Cross-Connect and was awarded the EC prize for “outstanding contribution to technological progress”.

• Lambda User Controlled Infrastructure for European Research (PHOSPHORUS), EU project, IST EU Research Networking Test-beds call September 2005, IP. AIT Principal Investigator.
• Transparent Ring Interconnection (TRIUMPH), EU project, 4th IST Call, STREP. Technical Co-manager and WP2 leader.
• Broadband e-Services and Access for the Home (BReATH), EU project, 6th framework, SSA. WP3 leader since January 2006.
• E-Photon/ONE +, EU project proposal, 4th IST Call, NoE. Participation to various JPs.
• “Autonomous optical networks for global grid computing applications”, Greek-UK project, funded by GSRT and the British Council. AIT Principal Investigator.
• COST291, “Towards Digital Optical Networks”. The project is funded by the EU and is focusing on optical processing for digital network performance, novel network architectures as well as a unified control plane, network resilience and service security. Scientific Secretary.
• COST 288, “Nanoscale and Ultrafast Photonics”. This Action will integrate the most promising telecom-and datacom -oriented topics studied under both Actions, and act as a catalyst for research by improved collaboration and networking, and as a proactive collaboration on identified strategic research topics.
• COST 266, “Advanced Infrastructures for Photonic Networks”. The project was funded by the EU and was aiming to propose and evaluate suitable architectures and identify the key technologies for the next generation photonic networks.
• “Wavelength Switched Packet Network” (WASPNET), UK national project funded by the UK Physical Science and Engineering Research Council (EPSRC). The project dealt with the design and implementation of an optical packet switched and its outcome was the demonstration of a fully functional all-optical packet switched node.
• “Horizontal Action in Optical Networking” (HORIZON) funded by the European Commission within the framework of Advanced Communications Technologies and Services (ACTS). The project provided co-ordination across the photonics domain projects within ACTS and developed a Roadmap on the “Photonics Technologies in Europe”.
• “Multi-wavelength Transport Network” (MWTN) consortium project, funded by the European Commission (EC). The project focused on the design and development of the first Optical Cross-Connect and was awarded the EC prize for “outstanding contribution to technological progress”.

1997-2002 Department of Electronic Systems Engineering, University of Essex, UK
Visiting Lecturer teaching:

• Optical Fibre Communication Systems, BSc Electronics Engineering (2000)
• Wavelength Conversion, MSc “Telecommunications and Information Systems” and “The Physics of Laser Communications” (1997-2002)
• Optical Add-Drop Multiplexers, MSc “Telecommunications and Information Systems” and “The Physics of Laser Communications” (2001-2002)
• Optical Cross-Connects for Real Networks, MSc “Telecommunications and Information Systems” and “The Physics of Laser Communications” (2001-2002)

Co-supervision of a PhD student (2001-2003) with Prof. Dimitra Simeonidou:

• “Traffic Engineering in Optical Packet Switched Networks”

Co-supervision of 2 MSc theses:

• “Technologies, Systems and Subsystems for Wavelength Switched Optical Networks”
• “IP over WDM Optical Networks"

 

2003- today Athens Information Technology Center
Instructor and co-instructor of the following courses:

• Packet Switching and Computer networks MSc in Information Networking AIT-Carnegie Mellon University
• Special Topics in Networking, MSc in Information and Telecommunications Technologies
• Project Management, MSc in Business and Innovation Technologies
• Optical Networks, MSc in Information Networking AIT-Carnegie Mellon University
• Optical and Wireless Communications, MSc in Information and Telecommunications Technologies
• Broadband Networks, MSc in Information and Telecommunications Technologies

PhD Thesis Supervision:

• “Delivery of differentiated services in multi-domain, multi-layer optical networks”

MSc Theses and Independent Studies supervision:

• "Routing and Wavelength Assignment Algorithms for Resilient WDM Networks"
• Fairness Issues in Dynamic Path Provisioning in WDM Networks"
• “2-R Optical Regeneration utilizing Self-Phase Modulation in non-linear fibers”
• “Mitigation of linear and non-linear impairments in optical transmission by electronic means (FEC)”
• “Impairment Constraint Based Routing”
• "Simulation Analysis of Optical Burst Switched Networks”
• “Impact of QoS assignment in the Performance of Optical Burst Switched Networks”
• “All Optical 2R regeneration in Optical Fibres”
• “Simulation of network elements suitable for use in an Optical Burst Switched Network environment”
• “Impairment and security aware routing scheme for optical networks”
• “Optical Flip-flops for Packet Switching Applications”
• “Physical Impairment Constrained based Routing in Optical Networks”
• "The Impact of Physical Impairments in Optical Burst Switched Networks”

 

• D. Careglio, J. Aracil , S. Azodolmolky , J. García-Haro, S. Gunreben, G. Hu, M. Izal, A. Kimsas, M. Klinkowski, M. Köhn, E. Magaña, D. Morató, P. Pavón-Mariño, J. Perelló, J. Scharf, S. Spadaro, I. Tomkos, A. Tzanakaki, J. Veiga-Gontán. “Performance Issues in Optical Burst/Packet Switching”, Chapter 7, Towards Digital Optical Networks, COST Action 291 Final Report, Series: Lecture Notes in Computer Science Subseries: Computer Communication Networks and Telecommunications , Vol. 5412
• Lena Wosinska, Didier Colle, Piet Demeester, Ilse Lievens, Mario Pickavet, Bart Puype, Dimitri Staessens, Ozren Lapcevic, Marko Lackovic, Branko Mikac, Nina Skorin-Kapov, Kostas Katrinis, George Markidis, Anna Tzanakaki, “Network Resilience in Future Optical Networks”, Chapter 9, Towards Digital Optical Networks, COST Action 291 Final Report, Series: Lecture Notes in Computer Science Subseries: Computer Communication Networks and Telecommunications , Vol. 5412
• F. Matera, S. Bauer, V. Eramo, M. Karasek, H. P. Nolting, M. Nord, B. Satorious, M. Settembre, I. Tomkos, A. Tzanakaki and I. Zacharopoulos, “Transmission Systems” Chapter 2 of “Advanced Infrastructure for Photonic Networks” COST 266 Extended Final Report, Published in 2003
• A. Kuchar, I. Tomkos, C. Mas and A. Tzanakaki, “Summary of Results and Future Work” Chapter 8 of “Advanced Infrastructure for Photonic Networks” COST 266 Extended Final Report, Published in 2003

Journal Publications
Published

1. T. Politi, C. Raffaelli, A. Tzanakaki, D. Simeonidou, L. Wosinska, “Optical Networks for the Future Internet: Introduction”, Editorial for the special issue of IEEE/OSA Journal of Communications and Networking, Volume 1, Issue 2, pp. FI1 - FI3, July 2009.
2. A. D. Ellis, D. Cotter, S. Ibrahim, R. Weerasuriya, C. W. Chow, J. Leuthold, W. Freude, S. Sygletos, P. Vorreau, R. Bonk, D. Hillerkuss, I. Tomkos, A. Tzanakaki, C. Kouloumentas, D. J. Richardson, P. Petropoulos, F. Parmigiani, G. Zarris, D. Simeonidou, Optical interconnection of core and metro networks, Journal of Optical Networking, vol. 7, no.11, pp.928-935 (2008)
3. Bartosz Belter, Artur Binczewski, Gino Carrozzo, Nicolla Ciulli, Eduard Escalona, George Markidis, Reza Nejabati , Dimitra Simeonidou , Maciej Stroiński , Anna Tzanakaki , Georgios Zervas, Between Grids and Networks: Grid-enabled Network Control Planes, Campus-wide information systems, The international journal of information and learning technology, vol. 25, no. 5, 2008, pp. 273-286
4. G. Markidis and A. Tzanakaki, “Network Performance Improvement through Differentiated Survivability Services in WDM networks”, Journal of Optical Networking, vol. 7, no. 6, May 2008, pp. 564-572
5. Georgios Zervas, Eduard Escalona, Reza Nejabati, Dimitra Simeonidou, Gino Carrozzo, Nicola Ciulli, Bartosz Belter, Artur Binczewski, Maciej Stroińsk,i Anna Tzanakaki, George Markidis, Athens Information Technology “Phosphorus Grid-enabled GMPLS Control Plane (G2MPLS): Architectures, Services and Interfaces”, Communications Magazine, vol. 46, no. 6, June 2008, pp:128 - 137
6. Nicola Ciullia, Gino Carrozzoa, Giodi Giorgia, Georgios Zervas,Eduard Escalonab, Yixuan Qinb, Reza Nejabatib, Dimitra Simeonidou, Franco Callegatic, Aldo Campic, Walter Cerronic, Bartosz Belterd, Artur Binczewskid, Maciej Stroinskid, Anna Tzanakaki, George Markidis, “Architectural approaches for the integration of the service plane and control plane in optical network”, Optical Switching and Networking Journal, Elsevier, invited paper, vol. 5, 2008, pp 94-106
7. Carla Raffaelli, Kyriakos Vlachos, Nicola Andriolli, Jakob Buron, Ruth van Caenegem, Grzegorz Danilewicz, Jorge M Finochietto, Joan Garcia-Haro, Dimitrios Klonidis, Mike O'Mahony, Guido Maier, Achille Pattavina, Pablo Pavon-Marino, Sarah Ruepp, Michele Savi, Mirco Scaffardi, Ioannis Tomkos, Anna Tzanakaki, Lena Wosinska, Konstantinos Yannopoulos, Fabio Neri, “Photonics in Switching: architectures, technologies and systems The e-Photon/ONe+ research results - Part I : system aspects”, COMNET, vol. 52, no. 10, July 2008, Pages 1873-1890
8. Ch. Kouloumentas, N. Pleros, P. Zakynthinos, D. Petrantonakis, D. Apostolopoulos, O. Zouraraki, A. Tzanakaki, H. Avramopoulos, and I. Tomkos, “Packet Clock Recovery Using a Bismuth Oxide Fiber-based Optical Power Limiter”, Optics Express, vol. 15, no16, July 2007, pp. 9948-9953,
9. P. G. Arbues, C. Mas Machuca, A. Tzanakaki, “Comparative study of existing OADM and OXC architectures and technologies from the failure behavior perspective”, Journal of Optical Networking, vol. 6, no 2, January 2007, pp 123-133
10. G. Markidis, S. Sygletos, A. Tzanakaki and I. Tomkos, “Impairment Constraint based Routing in Ultra Long Haul Optical Networks with 2R regeneration”, IEEE Photonics Technology Letters, vol. 19, no. 6, March 2007, pp: 420 - 422
11. Ch. Kouloumentas, A. Tzanakaki, and I. Tomkos, “Clock Recovery at 160 Gb/s and beyond, using a Fiber-Based Optical Power Limiter”, IEEE Photonics Technology Letters, vol. 18, no. 22, Nov. 2006, pp: 2365 - 2367
12. S. Sygletos, A. Tzanakaki, and I. Tomkos, “Numerical Study of Cascadability Performance of Continuous Spectrum Wavelength Blocker/Selective Switch at10/40/160 Gb/s”, IEEE Photonics Technology Letters, vol. 18, no. 24, Dec. 2006, pp: 2608 - 2610
13. A. Tychopoulos, I. Papagiannakis, D. Klonidis, A. Tzanakaki, O. Koufopavlou, I. Tomkos, “FOCUS: a low-cost inband FEC scheme for STM-64 transparent metro networks”, IEEE Photonics Technology Letters, vol. 18, no. 24, Dec. 2006 pp: 2581 - 2583
14. S. Azodolmolky, A. Tzanakaki and I. Tomkos, “A Simulation Study of Adaptive Burst Assembly Algorithms in Optical Burst Switched Networks with Self-Similar Traffic Sources”, Annals Journal of Telecommunications, vol. 62, no. 5-6, May-June 2007, pp: 584-603
15. I. Tomkos, A. Tzanakaki, P. Kulkarni, G. Markidis and C. Mas Machuka, “Benefits of the Use of Impairment Constraint Routing in Optical Networks, Annals Journal of Telecommunications, vol. 62, no. 5-6, May-June 2007, pp: 567-583
16. D. Simeonidou, R. Nejabati, G. Zervas, D. Klonidis, A. Tzanakaki, and M. J. O’Mahony, “Dynamic Optical Network Architectures and Technologies for Existing and Emerging Grid Services”, (Invited Paper), Journal of Lightwave Technology, vol. 23, no. 10, pp 3347-3357, October 2005
17. C. Politi, D. Klonidis, A. Tzanakaki, M. O’Mahony, Ioannis Tomkos, “Demonstration of a Novel Wavelength Routed Optical Packet Switch Architecture”, SPIE Optical Engineering” SPIE Opt. Eng. 45, 050504, May 2006
18. S. Zhang, D. Owens, Y. Liu, M. T. Hill, D. Lenstra, A. Tzanakaki, G. D. Khoe, and H.J.S. Dorren, “Multi-state Optical Memory Based on Serially Interconnected Lasers”, IEEE Photonics Technology Letters, vol. 17, no. 9, 1962-1963, September 2005.
19. A. Tzanakaki, I. Zacharopoulos, D. Parcharidou and I. Tomkos, “Nonlinear Penalty Suppression through the Use of OADMs”, IEEE Photonics Technology Letters, Vol. 17, no. 12, Dec. 2005, pp: 2769 - 2771
20. T. Politi, A. Tzanakaki, D. Klonidis, M. O’Mahony and I. Tomkos, “Optical Cross-Connect Architecture Using Waveband Conversion and a Passive Wavelength Router”, Optoelectronics, IEE proceedings, Vol. 152, no. 4, 5 Aug. 2005, pp: 215 - 221
21. I. Zacharopoulos, A. Tzanakaki, D. Parcharidou, and I. Tomkos, “Optimization Study of Advanced Modulation Formats for 10 Gbit/s Metropolitan Networks”, Journal of Lightwave Technology, Vol. 23, no. 1, Jan. 2005, pp: 321 - 329
22. I. Tomkos, D. Vogiatzis, C. Mas, I. Zacharopoulos, A. Tzanakaki and E. Varvarigos, “Performance Engineering of Metropolitan Area Optical Networks through Impairment Constraint Routing”, IEEE Communications Magazine, vol. 42, no. 8, pp. S40 - S47, Aug. 2004.
23. A. Tzanakaki, I. Zacharopoulos, D. Parcharidou and I. Tomkos, “Advanced Modulation Formats Appropriate for 10 Gbit/s WDM Metropolitan Area Networks”, IEEE Photonics Technology Letters, vol. 16, no. 7, pp. 1769 - 1771, July 2004.
24. A. Tzanakaki, I. Zacharopoulos and I. Tomkos, “Broadband Building Blocks”, IEEE Circuits and Devices Magazine, vol. 20 , no. 2 , pp. 32-37, March-April 2004.
25. M. J. O’Mahony, D. Simeonidou, D. K. Hunter and A. Tzanakaki, “The Application of Optical Packet Switching in Future Communication Networks”, IEEE Comms Magazine, vol. 39, no. 3, March 2001.
26. A. Tzanakaki and M. J. O’Mahony, “Analysis of tunable wavelength converters based on cross gain modulation in semiconductor optical amplifiers operating in the counter propagating mode"” IEE Proc.- Optoelectron., vol. 147, no. 1, pp. 49-55, February 2000.
27. A. Tzanakaki, K. M. Guild, D. Simeonidou and M. J. O'Mahony, “Error-Free Transmission through 30 Cascaded Optical Cross-Connects Suitable for Dynamically Routed WDM Networks”, Electronics Letters, vol. 35, no. 20, pp. 1755-1756, September 1999.
28. D. K. Hunter, M. H. Nizam, M. C. Chia, I. Andonovic, K.M. Guild, A. Tzanakaki, M.J. O'Mahony, J.D. Bainbridge, M.F.C. Stephens, R.V. Penty and I. H. White, “WASPNET: A Wavelength Switched Packet Network”, IEEE Comms. Magazine, March 1999, vol. 37, no. 3, pp. 120-129.
29. J. D. Bainbridge, A.R. Sharafi, I.H. White, M.A. Cowin, M.F.C. Stephens, R.V. Penty, K.M. Guild, A. Tzanakaki, M. J. O. O'Mahony, G.H.B. Thomson, S.J. Clements, C.B. Rogers, D. Melville and F. R. Shepherd, “Negligible penalty all-optical routing using 12x12 InP wavelength selective router”, Electronic Letters, vol. 34, no. 22, pp. 2151-2152, November 1998.
30. A. Tzanakaki, A. Yu, M. J. O’Mahony and M. E. Bray, “Penalty-free wavelength conversion using cross-gain modulation in semiconductor laser amplifiers with no output filter”, Electronic Letters, vol. 33, no. 18, pp. 1554-1556, August 1997.

Conference Publications
Published

1. A. Jirattigalachote, L. Wosinska, P. Monti, K. Katrinis and A. Tzanakaki, "Impairment Aware Routing with Service Differentiation in Heterogeneous WDM Networks", in Proceedings of the Asia Communications and Photonics Conference and Exhibition, Shanghai, China, November 2009.
2. A. Jirattigalachote, L. Wosinska, P. Monti, A. Tzanakaki and K. Katrinis, "Lightpath routing considering differentiated physical layer constraints in transparent WDM networks" (invited contribution), in Proceedings of the Asia Communications and Photonics Conference and Exhibition, Shanghai, China, November 2009.
3. K. Katrinis, A. Tzanakaki, S. Dweikat, S. Vassilaras, R. Nejabati, D. Simeonidou and G. Zervas, "Backhauling Wireless Broadband Traffic over an Optical Aggregation Network: WiMAX over OBS", in the 2009 International Workshop on Optical Burst/Packet Switching (WOBS), , Madrid, Spain, September 2009.
4. A. Jirattigalachote, L. Wosinska, P. Monti, K. Katrinis, and A. Tzanakaki, “Impairment Constraint Based Routing (ICBR) with Service Differentiation in Survivable WDM Networks”, ECOC 2009, September 2009
5. A. Tzanakaki, K. Georgakilas, K. Katrinis, L. Wosinska, A. Jirattigalachote and P. Monti, “Network Performance Improvement in Survivable WDM Networks considering Physical Layer Constraints”, (Invited paper), RONEXT, ICTON 2009, Azores, Portugal, June 2009
6. A. Jirattigalachote, K. Katrinis, A. Tzanakaki, L. Wosinska, P. Monti, “Quantifying the Benefit of BER-based Differentiated Path Provisioning in WDM Optical Networks”, RONEXT, ICTON 2009, Azores, Portugal, June 2009
7. G. Zarris, F. Parmigiani, E. Hugues-Salas, R. Weerasuriya, D. Hillerkuss, N. Amaya Gonzalez, M. Spyropoulou, P. Vorreau, R. Morais, S.K. Ibrahim, D. Klonidis, P. Petropoulos, A.D. Ellis, P. Monteiro, A. Tzanakaki, D. Richardson, I. Tomkos, R. Bonk, W. Freude, J. Leuthold, and D. Simeonidou, Field Trial of WDM-OTDM Transmultiplexing employing Photonic Switch Fabric-based Buffer-less Bit-interleaved Data Grooming and All-Optical Regeneration, OFC 2009, Post Deadline Paper, San Diego, USA, March 2009
8. K. Katrinis, A. Tzanakaki, G. Markidis, “Impairment Aware Network Design with Optimum Regenerator Placement”, NFOEC 2009, March 2009
9. George Markidis and Anna Tzanakaki, “Routing and wavelength assignment algorithms in survivable WDM networks under physical layer constraints”, GOPS 2008, Broadnets 2008, September 2008
10. Anna Tzanakaki, George Markidis, Kostas Katrinis, Supporting differentiated survivability services in WDM optical networks, invited paper, ICTON 2008
11. C. Develder, M. De Leenheer, T. Stevens, B. Dhoedt, G. Markidis and A. Tzanakaki, “Scalable Impairment-Aware Anycast Routing in Multi-Domain Optical Grid Networks”, invited paper, ICTON 2008
12. J. Leuthold, W. Freude, S. Sygletos, P. Vorreau, R. Bonk, D. Hillerkuss, I. Tomkos, A. Tzanakaki, C. Kouloumentas, D. J. Richardson, P. Petropoulos, F. Parmigiani, A. Ellis, D. Cotter, S. Ibrahim, R. Weerasuriya, “An All-Optical Grooming Switch to Interconnect Access and Metro Ring Networks”, invited paper, ICTON 2008
13. Bartosz Belter, Artur Binczewski, Gino Carrozzo, Nicolla Ciulli, Eduard Escalona, George Markidis, Reza Nejabati , Dimitra Simeonidou , Maciej Stroiński , Anna Tzanakaki , Georgios Zervas, Between Grids and Networks: Grid-enabled Network Control Planes, TERENA Networking Conference 2008, May 2008, Bruges, Belgium
14. G. Markidis, A. Tzanakaki, N. Ciulli, G. Garozzo, D. Simeonidou, R. Nejabati, G.Zervas “EU Integrated Project PHOSPHORUS: Grid-GMPLS control plane for the support of Grid Network Services”, (Invited paper), ICTON 2007, vol. 3, pp: 26 - 31 Rome, Italy, July 2007
15. G.Markidis, S. Sygletos, A.Tzanakaki and I.Tomkos “Impairment Aware Based Routing and Wavelength Assignment in Transparent Long Haul Optical Networks” ONDM 2007, Athens, Greece
16. I. Tomkos, S. Sygletos, A. Tzanakaki and G. Markidis, “Impairment constraint routing in mesh optical networks”, (Invited paper), OFC 2007, OWR1, Anaheim, USA
17. Ch. Kouloumentas, N. Pleros, P. Zakynthinos, D. Petrantonakis, D. Apostolopoulos, O. Zouraraki, A. Tzanakaki, H. Avramopoulos, I. Tomkos, “Packet clock recovery at 40 Gb/s and beyond, using a Fabry-Perot filter and an optical power limiter based on a bismuth oxide fibre”, CLEO Europe 2007, June 2007
18. G. Markidis, S. Sygletos, A. Tzanakaki and I. Tomkos, “Impairment Constraint Based Routing in Optical Networks”, Broadband Europe Conference, 2006.
19. I. Tomkos, A. Tzanakaki, J. Leuthold, A. D. Ellis, D. Bimberg, P. Petropoulos, D. Simeonidou, S. Tsadka, P. Monteiro, “The EU project TRIUMPH: Transparent Ring Interconnection Using Multiwavelength Photonic Switches” (Invited Paper), Broadband Europe Conference, 2006.
20. G. Zervas, R. Nejabati , D Simeonidou, A. Tzanakaki, and I. Tomkos, “A Hybrid Optical Burst/Circuit Switched Ingress Edge Router for Grid-enabled Optical Networks”, GridNets 2006, BroadNets 2006
21. G. Markidis, S. Sygletos, A. Tzanakaki, and I. Tomkos, “Impairment Constraint Routing in 2R–based Long Haul Optical Networks, ECOC 2006
22. G. Markidis, A. Tzanakaki and I. Tomkos, “CoS Assignment Based on Physical Performance Parameters in OBS Networks”, ICTON 2006, Nottingham, UK, vol 4, pp: 14 - 17 June 2006
23. C. Kouloumentas, A. Tzanakaki, and I. Tomkos, “All-Optical Clock Recovery at 160 Gbit/s and beyond, based on a Fabry-Pérot Filter and Self-Phase Modulation Effect”, ICTON 2006, Nottingham, UK, vol. 1, pp: 293 – 296, June 2006
24. S. Sygletos, A. Tzanakaki, and I. Tomkos, “Cascadeability of Continuous Spectrum WB/WSS at 10/40/160 Gb/s”, ICTON 2006, Nottingham, UK, vol. 4, pp: 80 – 83, June 2006
25. G. Markidis, S. Sygletos, A. Tzanakaki, and I. Tomkos “Impairment constraint based routing in ultra long haul optical networks employing 2R regeneration”, ICTON 2006, Nottingham, UK, vol. 3, pp: 173 – 176, June 2006
26. I. Tomkos, A. Tzanakaki, J. Leuthold, A. Ellis, D. Bimberg, P. Petropoulos, D. Simeonidou, S. Tsadka, P. Monteiro, “Transparent Ring Interconnection using Multi-Wavelength Processing Switches”, Transparent Optical Networks, 2006 International Conference on, vol. 1, pp: 23 – 23, June 2006
27. S. Azodolmolky, A. Tzanakaki, I. Tomkos, “Study of the Impact of Burst Assembly Algorithms in Optical Burst Switched Networks with Self-Similar Input Traffic”, to be presented at ICTON2006, (invited), Nottingham, UK, vol. 3, pp: 35 – 40, June 2006
28. A. Tychopoulos, I. Papagiannakis, D. Klonidis, A. Tzanakaki, O. Koufopavlou, and I. Tomkos, “Demonstration of a Low-Cost Inband FEC Scheme for STM-64 Transparent Metro Networks at ICTON2006, (invited), Nottingham, UK, June 2006, vol. 3, pp: 87 - 90
29. Ch. Kouloumentas, A. Tzanakaki, and I. Tomkos, “All-Optical Multicasting Subsystem with Regenerative Capabilities”, at CSNDSP 2006, Patras, Greece, July 2006
30. S. Azodolmolky, A. Tzanakaki, and I. Tomkos, “On the impact of Burst Assembly on Self-Similarity at the Edge Router in Optical Burst Switched Networks”, CSNDSP 2006, Patras, Greece, July 2006
31. Ch. Kouloumentas, A. Barlas, A. Tzanakaki, and I. Tomkos, Performance evaluation of 2R regenerator based on Self-Phase Modulation in Fiber, workshop on "Design of Next Generation Optical Networks: from the Physical up to the Network Level Perspective", Ghent, Belgium, February 2006
32. S. Zsigmond, A. Szodenyi, B. Megyer, T. Cinkler, A. Tzanakaki, and I. Tomkos, “A New Method for Considering Physical Impairments in Multilayer Routing, workshop on "Design of Next Generation Optical Networks: from the Physical up to the Network Level Perspective", Ghent, Belgium, February 2006.
33. A. Teixeira, P. André, S. Stevan Jr., T. Silveira1, A. Tzanakaki, I. Tomkos, “Raman Amplification based on Multiple Low-Power lasers”, AICT'06, pp: 85-85, February 2006, Guadeloupe
34. S. Azodolmolky, A. Tzanakaki, and I. Tomkos, “On the Simulation of Optical Burst Switched Networks with Self-Similar Traffic Sources”, Eurocon 2005, November 2005, Serbia
35. A. Tzanakaki, and I. Tomkos, “Optical Switching Technologies and Routing Architectures for Telecommunications, Data and Grid Services”, The Rank Prize Funds, Symposium on Optical Data Networking, (Invited Paper), UK, August 2005
36. S. Azodolmolky, A. Tzanakaki, and I. Tomkos, “Optical Burst Switched Networks for Telecommunications and Grid Applications”, The Rank Prize Funds, Symposium on Optical Data Networking, UK, August 2005
37. A. Challita, A. Tzanakaki, and I. Tomkos, “Reliability based routing in WDM optical networks”, APOC 2005, China, November 2005
38. A. Tzanakaki, I. Zacharopoulos, D. Parcharidou, and I. Tomkos, “Nonlinear Penalty Suppression through the Use of Optical Add Drop Multiplexers”, TEMU2005, Greece, June 2005
39. P. Kulkarni, A. Tzanakaki, C. Mas Machuka, and I. Tomkos, “Benefits of Q-factor based Routing in WDM Metro Networks”, ECOC2005, September 2005
40. S. Zhang, D. Owens, Y. Liu, M. T. Hill, D. Lenstra, A. Tzanakaki, G.D. Khoe and H.J.S. Dorren, “Multi-state Optical Memory Based on Serially Interconnected Lasers”, ECOC2005, September 2005
41. I. Tomkos and A. Tzanakaki, “Towards Digital Optical Networks”, ICTON2005, MoA1, (invited), Barcelona, July 2005
42. A. Tzanakaki, I. Zacharopoulos, D. Parcharidou, and I. Tomkos, “Nonlinear Suppression through the Use of Optical Add-Drop Multiplexers”, ICTON2005, MoA1, (invited), Tu.C1.1, Barcelona, July 2005
43. A. Challita, A. Tzanakaki, and I. Tomkos, “Reliability based Routing in WDM Optical Networks”, COST291 Workshop held in conjunction with ICTON2005, Mo.B1.5, Barcelona, July 2005
44. I. Karamitsos, A. Tzanakaki, and I. Tomkos, “Study of Physical Impairments as a performance Parameter in Optical Burst Switched Networks”, ICTON2005, MoA1, Tu.B1.6, Barcelona, July 2005
45. A. Tzanakaki and I. Tomkos, “Optical Networking Technologies to Host Grids”, ECOC2004 workshop on “Optical Infrastructures for Computing Grid Applications”, September 2004
46. P. Thysebaert, B. Volckaert, M. De Leenheer, E. Van Breusegem, F. De Turck, B. Dhoedt, D. Simeonidou, M. J. O' Mahony, R. Nejabati, A. Tzanakaki, I. Tomkos, “Towards consumer-oriented photonic Grids”, ECOC2004 workshop on “Optical Infrastructures for Computing Grid Applications”, September 2004
47. M. De Leenheer, E. Van Breusegem, P. Thysebaert, B. Volckaert, F. De Turck, B. Dhoedt, P. Demeester, D. Simeonidou, M. J. O' Mahony, R. Nejabati, A. Tzanakaki, I. Tomkos, “An OBS-based Grid Architecture”, Globecom2004 workshop on “High Speed Global Grid Networks”, December 2004
48. E. Van Breusegem, M. De Leenheer, P. Demeester, D. Simeonidou, M. J. O’ Mahony, R. Nejabati, A. Tzanakaki, I. Tomkos, “An OBS architecture for pervasive Grid computing”, WOBS, Broadnets 2004
49. C. Politi, D. Klonidis, A. Tzanakaki, M. O’Mahony, Ioannis Tomkos, “Demonstration of a Novel Wavelength Routed Optical Packet Switch Architecture”, Th1.6.4, ECOC2004, September 2004
50. C. Politi, D. Klonidis, A. Tzanakaki, M. O’Mahony, I. Tomkos, “Demonstration of a Novel Wavelength Routed Optical Packet Switch Architecture”, OECC2004
51. A. Tzanakaki, and I. Tomkos, “Optical Networking Technologies to Host Grids”, (Invited Paper), Workshop on “Optical Networking for Grid Services”, ECOC2004, Stockholm, Sweden, September 2004.
52. D. Simeonidou, R. Nejabati, M. J. O’Mahony, A. Tzanakaki and I. Tomkos, “Optical Network Infrastructures for Grid Applications”, Terena networking conference 2004, June 2004.
53. A. Tzanakaki, I. Zacharopoulos, D. Parcharidou, and I. Tomkos, “Performance Optimization using Advanced Modulation Formats in WDM Metropolitan Area Networks”, (Invited Paper), ICTON 2004, Poland, June 2004.
54. A. Tzanakaki I. Zacharopoulos and I. Tomkos, “Near and longer term architectural designs for OXCs/OADMs/Network topologies”, (Invited Paper), Photonics in Switching 2003, October 2003.
55. C. T. Politi, A. Tzanakaki, D. Klonidis, M. J. O’Mahony and I. Tomkos, “Novel Wavelength Routed Optical Cross-Connect Architecture”, Photonics in Switching 2003, October 2003.
56. I. Zacharopoulos, A. Tzanakaki, D. Parcharidou and I. Tomkos, “Improved Filter Concatenation Tolerance Using Duobinary Modulation Format for Metropolitan Area Networks”, LEOS Annual meeting 2003, Arizona, vol. 2, pp: 680 – 681, October 2003.
57. C. T. Politi, D. Klonidis, A. Tzanakaki, M. J. O’Mahony and I. Tomkos, “Novel Wavelength/Waveband Cross Connect Architecture based on Optical Wavelength Converters and a Passive Wavelength Router”, LEOS Annual mtg, 2003, vol. 1, pp: 140 – 141, October 2003.
58. A. Tzanakaki, I. Zacharopoulos and I. Tomkos, “Optical Add Drop Multiplexers and Optical Cross-Connects for Wavelength Routed Networks”, (Invited Paper), ICTON 2003, Warsaw, Poland, June 2003.
59. P. Tomlinson, G. Hill and A. Tzanakaki, “Comparison of Transparent and Opaque Optical Transport Network Designs”, ECOC’2002, Copenhagen, September 2002.
60. A. Tzanakaki, I. Wright and S. S. Sian, “Wavelength Routed Networks: Benefits and Design Limitations” (Invited Paper), SCI2002, Orlando, Florida, July 2002.
61. D. K. Hunter, M. J. O'Mahony, D. E. Simeonidou, A. Tzanakaki, “Optical packet switch for future telecommunications networks”, (Invited Paper), APOC 2001, Beijing, China, [4585-01], November 2001.
62. K. M. Guild, A. Tzanakaki, H. L. Lee, M. J. O’Mahony, M. Chia, X. Nizam, I. Andonovic, D. Hunter, S. Yu, A. Wolfson, R. Varrazza, R. V. Penty and I. H. White, “Cascading and Routing of 14 optical Packet Switches: WASPNET”, ECOC’2000, Munich, P4.8, September 2000.
63. A. Tzanakaki, K.M. Guild, D. Simeonidou and M. J. O'Mahony, “Penalty-Free Concatenation of 25 Optical Cross-Connects Performing Reconfigurable Wavelength Routing”, ECOC'99, Nice, vol. I, pp. I-254-I-255, September 1999.
64. A. Tzanakaki, D. Simeonidou, K. M. Guild and M. J. O'Mahony, “Suppression of Non-linear Impairments due to Wavelength Conversion in All-Optical Transport Networks”, ECOC'99, Nice, vol. I, pp. I-408-I-409, September 1999.
65. A. Tzanakaki and M. J. O'Mahony, “Concatenation performance of all-optical wavelength converters based on semiconductor optical amplifiers”, European Semiconductor Laser Workshop 1999 (invited paper), Paris, September 1999.
66. A. Tzanakaki, D. Simeonidou, K. M. Guild and M. J. O'Mahony, “Channel Performance Enhancement in Dynamically Routed Dense WDM Networks by Incorporating Wavelength Conversion in the Optical Cross-Connects”, NOC'99, Delft, The Netherlands, vol. 1, pp. 133-138, June 1999.
67. A. Tzanakaki and M. J. O’Mahony, “Crosstalk Reduction in Fast-Tunable Wavelength Converters Using Semiconductor Optical Amplifiers”, NOC'99, Delft, The Netherlands, vol. 1, pp. 174-177, June 1999.
68. A. Tzanakaki, D. Simeonidou, K. M. Guild, M. J. O'Mahony, “Transmission Performance Improvement in High Density WDM Networks due to Wavelength Conversion”, CLEO’99, Baltimore, Maryland, CThk55, pp. 432-433, May 1999.
69. A. Tzanakaki and M. J. O’Mahony, “Analysis of filterless wavelength converters employing cross-gain modulation in semiconductor optical amplifiers”, CLEO’99, Baltimore, Maryland, CThk56, pp. 433-434, May 1999.
70. A. Tzanakaki and M. J. O’ Mahony, “Analysis of Tunable Wavelength Converters Using Semiconductor Optical Amplifiers”, SIOE'99, Cardiff, Wales, April 1999.
71. J. Bainbridge, A. Sharafi, I. White, M. A. Cowin, M. F. C. Stephens, M. Owen, R. Penty, K. M. Guild, A. Tzanakaki, M. J. O'Mahony, G. H. B. Thompson, S. J. Clements and C. B. Rogers, “Negligible penalty all-optical routing using a 12x12 passive InP wavelength-selective router”, CLEO'98, Baltimore, Maryland, CWT1, pp. 316-317, May 1998.
72. M. H. M. Nizam, K. M. Guild, A. Tzanakaki, D. K. Hunter, I. Andonovic, M. C. Chia and M. J. O’Mahony, “WASPNET - A Wavelength Switched Photonic Network for Telecommunication Transport”, IEE Colloquium, 1998.

Other

1. A. Tzanakaki, “Supporting survivable services in WDM optical networks”, AIT seminar, April 2009
2. I. Tomkos and A. Tzanakaki, “Q-factor based Constraint Routing in Optical Networks”, SPIE News Letter, March 2006
3. A. Tzanakaki, “Optical Access Networks”, Internal Intracom Training Course, November 2006.
4. A. Tzanakaki, “High Speed Networks for the Support of Computing Grid Technology”, PC Magazine, October 2005
5. A. Tzanakaki, “Infrastructures for Grid Networks”, E-business forum “E-work space in less favoured regions”, March 2005
6. A. Tzanakaki, I. Tomkos and D. Simeonidou, “ECOC 2004 Workshop on Optical Networking for Grid Services”, Technical Report, Global Communications Newsletter (GCN), IEEE Communications Magazine, March 2005
7. A. Tzanakaki, “High-Speed Networks to Support Grids”, Insight Magazine (Intracom), September 2004
8. A. Tzanakaki, I. Zacharopoulos and I. Tomkos, presentation of Chapt. 2 of COST266 “Final Report”, CONTEL2003, Zagreb, Croatia, June 2003.
9. A. Tzanakaki, “Near and longer term architectural designs for OXCs/OADMs/Network topologies”, AIT seminar, October 2003.
10. A. Tzanakaki, “OADMs for Practical Network Applications”, Internal Altamar Training Course, May 2002.
11. A. Tzanakaki, “System Design Challenges for 10 Gbit/s Optical Transmission and Beyond”, Internal Altamar Training Course, May 2002
12. P. Lagasse, P. Demeester, A. Ackaert, W. V. Parys, B. Van. Caenegem, M. J. O’Mahony, A. Tzanakaki, K. Stubkjaer, J. Benoit, “Roadmap towards the Optical Communication Age”, A European view by the Horizon project and the ACTS Photonic Domain, November 1999.

Over 400 citations (excluding self-citations) [view citation samples]

Co-inventor of one granted patent:

• “Transmission of data”, GB2361393 (GB0009143.9)

Co-inventor of eleven published patent applications:

• “Chromatic dispersion compensation”, WO0186841 A1 20011115
• “Transmission of data”, WO0180592 A2 20011025
• “A tuneable filter”, WO0174112 A1 20011004
• “Routing device for all-optical networks”, WO0174111 A1 20011004
• “Optical data signals”, WO0124431 A1 20010405
• “Network performance monitoring system”, GB2374758 A 20021023
• “Reconfigurable optical add/drop multiplexer”, GB2360890 A 20011003
• “Optical multicasting”, GB2370650 A 20020703
• “Arrayed waveguide optical router with wavelength converters”, GB2365238 A 20020213
• “(A) Transmitting packets in an optical wave division multiplex system, (B) Transmission of data”, GB2361393 A 20011017
• “Signal Power Level Adjustment”, GB2365986 A 20020227

• Senior Member of IEEE.
• Co-chair of the technical Program Committee of the Workshop on All Optical Routing WAOR, co-located with the International Conference on Transparent Optical Networks (ICTON), 2008-2009
• Member of the Technical Program Committee of the Asian Communications and Photonics (ACP) Conference 2009, Subcommittee 4: Network Architectures, Management and Applications
• Member of the Technical Program Committee of the APOC 2008 Conference, Subcommittee 4: Network Architectures, Management and Applications
• Member of the Technical Program Committee for the "Symposium on Optical Networks and Systems", of Globecom 2005-2009
• Member of the Technical Program Committee, NETWORKS 2008, 13th International Telecommunications Network Strategy and Planning Symposium
• Member of the Technical Program Committee for ICC'08 ONS (ICC'08 - Optical Networks and Systems Symposium)
• Member of the Technical Program Committee for the workshop on “High Performance Grid Networks”, co-located with CCGrid 2008, Lyon, France
• Member of the Technical Program Committee for the COST291 workshop held in conjunction with ONDM2007
• Member of the Technical Program Committee of the workshop on “Service Oriented Optical Networks”. The workshop is organised in conjunction with the TNC 2006 conference (http://www.terena.nl/events/tnc2006/).
• Member of the Technical Program Committee of the Optical Society of America (OSA) Topical Meeting on Coherent Optical Technologies and Applications, 2006
• Member of the Technical Program Committee of the "Optical Communications Networks and Systems Symposium" of Globecom 2005, 28 November-2 December 2005, St Louis, USA.
• Member of the Technical Program Committee of GridNets 2005 held in conjunction with BroadNets2005
• Member of the Technical Program Committee of the Multiprovider QoS/SLA Internetworking - MPQSI 2005, 5-7 June 2005, Chicago, USA
• Member of the technical Program Committee of the Workshop on All Optical Routing WAOR, co-located with the International Conference on Transparent Optical Networks (ICTON), 2004-2007
• Member of the Scientific Committee of the IADIS Virtual Multi Conference on Computer Science and Information Systems, 2005-2007
• Member of the Technical Program Committee of the “Symposium on Emerging Optical Networks” (SEON) held in Portugal on July 2005
• Member of the Greek E-Business forum working group focusing on “Migration from the digital divide to the electronic work environment: How to enable a productive work environment in less favoured regions”

• Guest editor of the special issue of the Journal of Optical Communications and Networking, IEEE/OSA, on “Optical Networks for the Future Internet”
• Guest editor of the special issue of the Computer Networks journal, ELSEVIER, on "Challenges and opportunities in advanced optical networking"
• Scientific Secretary of the EU funded project COST291 entitled “Towards Digital Optical Networks”
• Co-organizer and co-chair of the ECOC2007 workshop on “Networks for IT: A new opportunity for optical network technologies”
• Reviewer of the EU IST 004503 Integrated Project EUQoS
• Member of the EPSRC, UK Peer Review College during the period 2006-2009
• Organizing committee of the COST291 GBOU/ONNA workshop “Design of Next Generation Optical Networks: from the physical up to the network level perspective”, Gent, Belgium, February 2006
• Chair of the Technical Program Committee of the COST291 workshop on “Issues and Challenges in Optical Networking” held in conjunction with ICTON 2005, Barcelona, June 2005
• Chair of the “Control and Security” session at the International Conference on Transparent Optical Networks (ICTON2003), July 2003
• Chair of the “WAOR Quality of Service” session at the International Conference on Transparent Optical Networks (ICTON2005), July 2005
• Co-organiser of the workshop on “Optical Networking for Grid Services”, ECOC2004, Stockholm, Sweden, September 2004.
• Co-organiser of the workshop on “High Speed Global Grid Networks”, Globecom 2004, December 2004
• Co-organization of two workshops in collaboration with the European Photonics Industry Consortium (EPIC), the IST OPTIMIST Project Consortium and COST288, June 2004, AIT, Greece
• Technical referee of several IEEE (Journal of Lightwave Technology, Journal of Selected Areas in Communications, Communications Magazine, Photonics Technology Letters etc), IEE, Elsevier (Computer Networks) and other journals (e.g. Journal of Optical Networking published by the Optical Society of America), Optics Express, Journal of Grid Computing etc
• Technical referee of several conferences (Globecom, ICC etc) and workshops
• Co-author of eleven published patent applications