E. Kehayas, B. Schrenk, P. Bakopoulos, J.A. Lazaro, A. Maziotis, J. Prat, and H. Avramopoulos, “All-Optical Carrier Recovery with Periodic Optical Filtering for Wavelength Reuse in RSOA-based Colorless Optical Network Units in Full-Duplex 10Gbps WDM-PONs”, in Proc. OFC 2010, San Diego, California, March 2010, OWG4

B. Schrenk, J. Bauwelinck, M. Omella, E. Kehayas, P. Bakopoulos, A. Maziotis, C. Kazmierski, D. Klonidis, X.Z. Qiu, J. Prat, I. Tomkos, H. Avramopoulos and J.A. Lazaro, “User-Terminal Subsystems of Next-Generation Access Networks: Trends and Challenges”, in Proc. OSA Advanced Photonics Congress / ANIC, Karlsruhe, Germany, June 2010.

C. Stamatiadis, M. Bougioukos, A. Maziotis, P. Bakopoulos, L. Stampoulidis and H. Avramopoulos,“All-Optical Contention Resolution Using a Single Optical Flip-Flop And Two-Stage All-Optical Wavelength Conversion,” paper OThN, OFC 2010.

K. Vyrsokinos, L. Stampoulidis, F. Gomez-Agis, K. Voigt, L. Zimmermann, T. Wahlbrink, Z. Sheng, D. V. Thourhout and H. J. S. Dorren, “Ultra-high Speed, All-optical Wavelength Converters Using Single SOA and SOI Photonic Integrated Circuits”, in Proc. IEEE/LEOS Winter Topicals Meeting Series (WTM) 2010, 11-13 Jan 2010, Mallorca, Spain.

K. Voigt, L. Zimmermann, G. Winzer, T. Mitze, K. Petermann, J. Kreissl, E. Tangdiongga, K. Vyrsokinos, L. Stampoulidis, “SOI platform for high speed all optical wavelength conversion,” 6th IEEE International Conference on Group IV Photonics, United States, paper ThC5, 2009.

P. Zakynthinos, Ch. Kouloumentas, M. Bougioukos, P. Bakopoulos, E. Kehayas, A. Poustie, G. Maxwell and H. Avramopoulos, “Multi-format all-optical 40 Gb/s regeneration using an integrated SOA-MZI”, ICO Photonics, Delphi, 2009. 

D. Petrantonakis, C. Stamatiadis, L. Stampoulidis, P. Zakynthinos, P. Bakopoulos, E. Kehayas, Ch. Kouloumentas, R. Dekker , E. J. Klein and H. Avramopoulos, “A novel All-Optical Wavelength Conversion scheme using a SOA and a 2nd Order Micro-ring Resonator ROADM”, ICO Photonics, Delphi, 2009. 

P. Bakopoulos, P. Zakynthinos, E. Kehayas, L. Stampoulidis, F. Fresi, C. Porzi, N. Calabretta, Ch. Kouloumentas, D. Petrantonakis, A. Maziotis, C. Stamatiadis, D. Apostolopoulos, M. Guina, D. Klonidis, L. Potì, E. Tangdiongga, A. Poustie, G. Maxwell, I. Tomkos, A. Bogoni, H.J.S. Dorren and H. Avramopoulos, “160 Gb/s All-Optical Contention Resolution with Prioritization using Integrated Photonic Components”, European Conf. on Optical Communication (ECOC) 2009, Paper 6.3.5, 20-24 September, Vienna.

K. Vyrsokinos, L. Stampoulidis, E. Kehayas, P. Bakopoulos, D. Petrantonakis, C. Stamatiadis, Ch. Kouloumentas, P. Zakynthinos, R. Dekker, E. J. Klein, Z. Sheng, D. V. Thourhout, T. Korthorst and H. Avramopoulos, “High-order micro-ring resonator assisted wavelength converters for scalable and power efficient photonic routers” European Conf. on Optical Communication (ECOC) 2009, 20-24 September, Vienna.

C. Stamatiadis, D. Petrantonakis, P. Bakopoulos, E. Kehayas, P. Zakynthinos,Ch. Kouloumentas, L. Stampoulidis, R. Dekker, E.J. Klein and H. Avramopoulos, “First Demonstration of WDM-Enabled All-Optical Wavelength Conversion with a SOA and a 2nd Order Micro-Ring Resonator ROADM”, Post-deadline Paper, PDPA8, Postdeadline Session A, Optical Fiber Communications Conference (OFC) 2009, San Diego, 22-26 March 2009.

P. Bakopoulos, E. Kehayas, A. E. H. Oehler, T. Südmeyer, K. J. Weingarten, K. P. Hansen, U. Keller and H. Avramopoulos, “An Agile Multi-Wavelength Optical Source with Configurable Channel Spacing and CW or Pulsed Operation for High-Capacity WDM Optical Networks”, paper OWB6, Optical Fiber Communications Conference (OFC) 2009, San Diego, 22-26 March 2009.

P. Zakynthinos, D. Apostolopoulos, L. Stampoulidis, E. Kehayas, A. Poustie, G. Maxwell, R. Van Caenegem, D. Colle, M. Pickavet, E. Tangdiongga, H.J.S. Dorren and H. Avramopoulos , “Successful Interconnection of SOA-MZI Arrays and Flip-Flops to Realize Intelligent, All-optical Routing”, paper We.2.D.2, European Conference on Optical Communications 2008 (ECOC), 21-25 September 2008, Brussels, Belgium

M. Sagnou, S. Tzanopoulou, M. Paravatou-Petsotas, M. Papadopoulos, I. Pirmettis, M. Pelecanou, “Synthesis and Evaluation of Novel Benzothiazole Complexes as Potential Biochemical, Cellular and Solid Tumour Radiotracers”, 33rd FEBS Congress & 11th IUBMB Conference, Athens, Greece, 2008.

H. Teimoori, D. Apostolopoulos, K. Vlachos, C. Ware, D. Petrantonakis, K. Yiannopoulos, L. Stampoulidis, H. Avramopoulos and D. Erasme, “Physical Architectures for Packet-Switching Network Nodes Based on Nonlinear Logic Gates:, presented at the 6th Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP08) 2008, Gratz, Austria, pp. 676-679. 

T. Korthorst, P. Bakopoulos, R. Stoffer, E. Kehayas, G. Maxwell and H. Avramopoulos, “Software tools for photonic integrated circuit design using “monolithic-on-hybrid” integration”, 34 th International Conference on Micro-and Nano-Engineering 2008 (MNE08), 15-18 September 2008, Athens, Greece. 

P. Bakopoulos, E. Kehayas, A. Oehler, T. Südmeyer, K. J. Weingarten, K. P. Hansen, C. Bintjas, U. Keller and H. Avramopoulos, “Agile and Upgradeable Multi-wavelength Source for Dense Wavelength Division Multiplexing Networks”, 20th LEOS Annual Conference, paper ThX2, Oct. 2007, Florida, USA.

P. Bakopoulos, E. Kehayas, A. E. H. Oehler, T. Sudmeyer, K. J. Weingarten, K. P. Hansen, C. Bintjas, U. Keller and H. Avramopoulos, “Multi-Wavelength Laser Source for Dense Wavelength Division Multiplexing Networks”, paper OWJ2, Optical Fiber Communications (OFC) 2007, Anaheim, California.

J. Seoane, E. Kehayas, H. Avramopoulos and P. Jeppesen, 40 Gbit/s NRZ Packet-Length Insensitive Header Extraction for Optical Label Switching Networks”, paper WO2, IEEE/LEOS Annual Meeting 2006, Montreal, Canada.

E. Kehayas, L. Stampoulidis, K. Vyrsokinos, D. Apostolopoulos, H. Avramopoulos, “Architecture, design and physical layer modelling of an all-optical buffering system for all-optical label switched routers”, International Conference on Photonics in Switching 2006, Paper 11.3, Heraclion, Greece. 

S. Tzanopoulou, I. Pirmettis, G. Pastsis, M. Paravatou-Petsotas, E. Livaniou, M. Papadopoulos, M. Pelecanou “Synthesis, characterization and biological evaluation of M(I)(CO)3(NNO) complexes (M=Re, 99mTc) as potential breast cancer radiopharmaceuticals”, 7th International Symposium on Technetium, Rhenium and Other Metals in Chemistry and Nuclear Medicine, Bressanone, Italy, 2006.

S. Tzanopoulou, G. Patsis, M. Sagnou, I. Pirmettis, M. Papadopoulos, M. Pelecanou, “Synthesis and Characterization of M(I)(CO)3(NNO) Complexes (M = Re, 99mTc) Conjugated to 6-Methyl-2-(4΄-aminophenyl)benzothiazole Towards the Development of Alzheimer's Disease Radiodiagnostics”, 7th International Symposium on Technetium, Rhenium and Other Metals in Chemistry and Nuclear Medicine, Bressanone, Italy, 2006.

S. Tzanopoulou, G. Patsis, M. Sagnou, A. Panagiotopoulou, M. Paravatou-Petsotas, E. Livaniou, I. Pirmettis, M. Papadopoulos, M. Pelecanou, “Complexes of 4-(aminophenyl)benzothiazole derivatives with technetium and rhenium as potential radiopharmaceuticals”, 12th Pan-Hellenic Symposium on Medicinal Chemistry, Patra, 2006.

J. Seoane, E. Kehayas, H. Avramopoulos and P. Jeppesen, 40 Gbit/s NRZ Packet-Length Insensitive Header Extraction for Optical Label Switching Networks”, paper WO2, IEEE/LEOS Annual Meeting 2006, Montreal, Canada.

D. Tsiokos, E. Kehayas, P. Bakopoulos, D. Apostolopoulos, D. Petrantonakis, N. Pleros and H. Avramopoulos, “All-Optical Signal Processing Using Integrated Mach Zehnder Interferometric Switches for 40 Gb/s All-Optical Label-Swapped Networks”, paper TH4, 3rd International Conference on Broadband Communications, Networks and Systems (BROADNETS) 2006, San Jose, USA. 15. D. Apostolopoulos, E. Kehayas, L. Stampoulidis, P. Bakopoulos and H. Avramopoulos, “All-Optical Contention Resolution in Space and Wavelength Domain with Ultra-Fast Packet Envelope Detection and Integrated Optical Gates”, paper We1.4.2., European Conference on Optical Communications (ECOC) 2006, Cannes, France. 

J. Seoane, E. Kehayas, Y. Liu, J. M. Martinez, J. Herrera, P. V. Holm-Nielsen, S. Zhang, R. McDougall, G. D. Maxwell, F. Ramos, J. Marti, H. J. S Dorren, H. Avramopoulos, and P. Jeppesen, “Towards Transparent All-Optical Label-Swapped Networks: 40 Gbit/s Ultra-Fast Dynamic Wavelength Routing Using Integrated Devices”, paper We2.4.5, European Conference on Optical Communications (ECOC) 2006, Cannes, France. 

O. Zouraraki, D. Petrantonakis, D. Apostolopoulos, E. Kehayas, N. Pleros and H. Avramopoulos, “A 40 Gbps All-Optical Label/Payload Separation Circuit Using Hybrid Integrated MZI Switches”, paper Th 1.4.1., European Conference on Optical Communications (ECOC) 2006, Cannes, France

K. Vyrsokinos, L. Stampoulidis, E. Kehayas, H. Avramopoulos, “Architecture, design and modeling of an optically-controlled recirculating buffer for 40 Gb/s label-switched routers”, 11th European Conference onNetworks & Optical Communications (NOC) July 2006, Berlin, Germany.

D. Apostolopoulos, O. Zouraraki, D. Petrantonakis, P. Bakopoulos, D. Tsiokos, E. Kehayas and H. Avramopoulos, “Bit- and Packet-Level Self-Synchronization for All-Optical Label-Switched Network Nodes with Transparency to Network-Traffic”, O.Th.S.2, Optical Fiber Communications (OFC) 2005, Anaheim, California.

K. Vyrsokinos, E Kehayas, L Stampoulidis, H Avramopoulos (National Technical University of Athens, Greece), K Christodoulopoulos, K Vlachos, E A Varvarigos, (University of Patras , Greece), “ARTEMIS: A New Architecture for All-Optical Asynchronous Self-Routing Network with Efficient Contention Protection and QoS Differentiation”, We4.P.83, European Conf. on Optical Communication (ECOC) 2005, Glasgow, UK

P. Bakopoulos, D. Tsiokos, D. Apostolopoulos, D. Petrantonakis, E. Kehayas, H. Avramopoulos, "All-Optical SOA-based Packet Detection for Packet-Rate Synchronisation” We2.4.5, European Conf. on Optical Communication (ECOC) 2005, Glasgow, UK. 

L. Stampoulidis, E. Kehayas, K. Vyrsokinos, K. Christodoulopoulos, D. Tsiokos, P. Bakopoulos, G. T. Kanellos, K. Vlachos, E. A. Varvarigos and H. Avramopoulos, “ARTEMIS: A 40 Gb/s All-Optical Self-Router using Asynchronous Bit and Packet-Level Optical Signal Processing”, accepted in IEEE GLOBECOM 2005, Oct. 2005, St. Louis, Missouri. 

S. Tzanopoulou, G. Patsis, M. Sagnou, A. Panagiotopoulou, A. Papadopoulos, I. Pirmettis, M. Papadopoulos, M. Pelecanou, “Complexes of 4-(aminophenyl)benzothiazole derivatives with technetium and rhenium and assessment of their properties as diagnostic and/or therapeutic radiopharmaceuticals”, International Symposium on Trends in Radiopharmaceuticals, Vienna, Austria, 2005.

L. Stampoulidis, E. Kehayas, H. Avramopoulos, Y. Liu, E. Tangdiongga and H. J. S. Dorren, “40 Gb/s Fast-Locking All-Optical Packet Clock Recovery”, O.Th.E.2, Optical Fiber Communications (OFC) 2005, Anaheim, California.

S. Tzanopoulou, G. Patsis, I.C. Pirmettis, M. Papadopoulos, M. Pelecanou, “Synthesis and characterization of oxorhenium(V) complexes of 2-pyridin-2΄-yl-benzothiazole towards the development of Alzheimer's disease radiodiagnostics”, 12th European Symposium on Radiopharmacy and Radiopharmaceuticals, Gdansk, Poland, 2004.

E. Kehayas, G. T. Kanellos, L. Stampoulidis, P. Bakopoulos, N. Pleros, G. Guekos and H. Avramopoulos, “All-Optical Burst-Mode Receiver at 10 Gb/s”, Tu1.5.4, European Conf. on Optical Communication (ECOC) 2004, Stockholm, Sweden.

K. Vyrsokinos, L. Stampoulidis, P. Bakopoulos, G. Guekos and H. Avramopoulos, “Polarization Insensitive NOLM employing a Faraday Rotator Mirror”, presented at the European Conference on Optical Communication (ECOC) 2004, We 4.P014, Stockholm, Sweden.

L. Stampoulidis, K. Yiannopoulos, M. Kalyvas, G. Theophilopoulos H. Avramopoulos and G. Guekos, “All-Optical Control Signal Generation to Drive Optical Gates for Packet Switching Applications”, presented at the Opt.Amplifiers and their App. Conference, JWB15, San Francisco, USA, 2004.

D. Tsiokos, E. Kehayas, H. Avramopoulos, L. Krainer, G. J. Spühler, and K. J. Weingarten, “Simple repetition rate upgrade scheme for passively mode-locked solid-state lasers”, to be presented at the Conference on Lasers & Electro-Optics (CLEO) 2004, San Francisco, California.

E. Kehayas, D. Tsiokos, K. Vyrsokinos, L. Stampoulidis, G. T. Kanellos, C. Bintjas, G. Guekos and H. Avramopoulos, “10 Gb/s All-Optical Half Adder using two cascaded UNI gates”, Tu.G.2, IEEE/LEOS Annual Meeting 2003, Tucson, Arizona.

D. Tsiokos, E. Kehayas, G.T. Kanellos, L. Stampoulidis, G. Guekos, and H. Avramopoulos, “All-Optical 10Gb/s header replacement for variable length data packets”, We4.P.83, European Conf. on Optical Communication (ECOC) 2003, Rimini, Italy.

L. Stampoulidis, G. T. Kanellos, N. Pleros, E. Kehayas, D. Tsiokos, C. Bintjas, H. Avramopoulos and G. Guekos, “Clock and Data Recovery with SOA-based optical gates”, We1.5.4., European Conf. on Optical Communication (ECOC) 2003, Rimini, Italy.

M. Pelecanou, Ι. Pirmettis, G. Patsis, C. Tsoukalas, S. Tzanopoulou, M. Papadopoulos,“Tricarbonyl complexes of Re and Tc with a bifunctional Tridentate NNO ligand carrying the 2-phenyl-benzothiazole moiety”, 15th International Symposium on Radiopharmaceutical Chemistry, Sydney, Australia, 2003.

S. Tzanopoulou, C. Tsoukalas, M. Papachristou, I. Pirmettis, G. Patsis, A. Papadopoulos, C. P. Raptopoulou, A. Terzis, E. Chiotellis, C. I. Stassinopoulou, M. Papadopoulos, M. Pelecanou, “2-Pyridin-2´-yl-Benzothiazole Oxorhenium Complexes: Synthesis and Characterization”, 6th International Symposium on Technetium, Rhenium and Other Metals in Chemistry and Nuclear Medicine, Bressanone, Italy, 2002.