M-QAM carrier phase recovery using the viterbi-viterbi monomial-based and maximum Likelihood Estimators. - Stefanos Dris; Paraskevas Bakopoulos; Ioannis Lazarou; Christos Spatharakis; Hercules Avramopoulos (OFC/NFOEC, 2013)

Frequency offset estimation and carrier phase recovery for high-order QAM constellations using the Viterbi-Viterbi monomial estimator. - Christos Spatharakis; Nikolaos Argyris 002; Stefanos Dris; Hercules Avramopoulos (CSNDSP, 2014)

ORCHESTRA - Optical performance monitoring enabling flexible networking. - Konstantinos Christodoulopoulos; Panagiotis C. Kokkinos; Andrea Di Giglio; Annachiara Pagano; Nikos Argyris 002; Christos Spatharakis; Stefanos Dris; Hercules Avramopoulos; Jean-Christophe Antona; Camille Delezoide; Philippe Jennevé; Jelena Pesic; et al. (ICTON, 2015)

Cross-layer optimization: Network cost vs. physical layer margins. - Polyzois Soumplis; P. Pananikolaou; Konstantinos Christodoulopoulos; Nikos Argyris 002; Christos Spatharakis; Stefanos Dris; Hercules Avramopoulos; Emmanouel A. Varvarigos (ICTON, 2015)

High performance carrier phase recovery for coherent optical QAM. - Nikolaos Argyris 002; Stefanos Dris; Christos Spatharakis; Hercules Avramopoulos (OFC, 2015)

A 64 Gb/s PAM-4 linear optical receiver. - Bart Moeneclaey; Giannis Kanakis; Jochen Verbrugghe; Nikos Iliadis; Wouter Soenen; Dimitrios Kalavrouziotis; Christos Spatharakis; Stefanos Dris; Xin Yin; Paraskevas Bakopoulos; Elad Mentovich; Hercules Avramopoulos; et al. (OFC, 2015)

A scalable optically-switched datacenter network with multicasting. - Konstantinos Tokas; Christos Spatharakis; Ioannis Kanakis; Nikolaos Iliadis; Paraskevas Bakopoulos; Hercules Avramopoulos; Ioannis Patronas; Nikolaos Liakopoulos; Dionysios I. Reisis (EuCNC, 2016)

Optical PAM-4 generation through polarization multiplexing in single-polarization single-mode VCSELs. - Nikos Iliadis; Giannis Kanakis; Nikolaos Argyris 002; Christos Spatharakis; Paraskevas Bakopoulos; Hercules Avramopoulos; Silvia Spiga; Markus-Christian Amann (ICECS, 2016)

A 56 Gbaud reconfigurable FPGA feed-forward equalizer for optical datacenter networks with flexible baudrate- and modulation-format. - Christos Spatharakis; Giannis Kanakis; Nikolaos Iliadis; Paraskevas Bakopoulos; Hercules Avramopoulos; Konstantinos Maragos 001; George Lentaris; Dimitrios Soudris (ICECS, 2016)

PAM-4 and Duobinary direct modulation of a hybrid InP/SOI DFB laser for 40 Gb/s transmission over 2 km single mode fiber. - Amin Abbasi; Christos Spatharakis; Giannis Kanakis; Nuno Sequeira Andre; Hadrien Louchet; Andrew Katumba; Jochem Verbist; Xin Yin; Johan Bauwelinck; Hercules Avramopoulos; Gunther Roelkens; Geert Morthier (OFC, 2016)

Slotted TDMA and optically switched network for disaggregated datacenters. - Konstantinos Tokas; Ioannis Patronas; Christos Spatharakis; Dionysios I. Reisis; Paraskevas Bakopoulos; Hercules Avramopoulos (ICTON, 2017)

A Flexible, High-Performance FPGA Implementation of a Feed-Forward Equalizer for Optical Interconnects up to 112 Gb/s. - Konstantinos Maragos 001; Christos Spatharakis; George Lentaris; Panagiotis Kontzilas; Stefanos Dris; Paraskevas Bakopoulos; Hercules Avramopoulos; Dimitrios Soudris (J. Signal Process. Syst., 2017)

Real Time Demonstration of an End-to-End Optical Datacenter Network with Dynamic Bandwidth Allocation. - Konstantinos Tokas; Christos Spatharakis; Ioannis Patronas; Paraskevas Bakopoulos; Giada Landi; Konstantinos Christodoulopoulos; Marco Capitani; Angelos Kyriakos; Muzzamil Aziz; Richard Pitwon; Domenico Gallico; Dionisios I. Reisis; et al. (ECOC, 2018)

NEPHELE: Vertical Integration and Real-Time Demonstration of an Optical Datacenter Network. - Christos Spatharakis; Konstantinos Tokas; Ioannis Patronas; Paraskevas Bakopoulos; Dionysios I. Reisis; Hercules Avramopoulos (ICTON, 2018)

Carrier Phase Recovery of 64 GBd Optical 16-QAM Using Extensive Parallelization on an FPGA. - Vatistas Kostalampros; Konstantinos Maragos 001; George Lentaris; Dimitrios Soudris; Christos Spatharakis; Nikos Argyris 002; Hercules Avramopoulos; Stefanos Dris; André Richter (ISCAS, 2018)

Real-Time Carrier Phase Recovery for 16-QAM Utilizing the Nonlinear Least Squares Algorithm. - Vatistas Kostalampros; Christos Spatharakis; Konstantinos Maragos 001; George Lentaris; Nikolaos Argyris 002; Stefanos Dris; André Richter; Hercules Avramopoulos; Dimitrios Soudris (OFC, 2018)

NEPHELE: An End-to-End Scalable and Dynamically Reconfigurable Optical Architecture for Application-Aware SDN Cloud Data Centers. - Paraskevas Bakopoulos; Konstantinos Christodoulopoulos; Giada Landi; Muzzamil Aziz; Eitan Zahavi; Domenico Gallico; Richard Pitwon; Konstantinos Tokas; Ioannis Patronas; Marco Capitani; Christos Spatharakis; Konstantinos Yiannopoulos; et al. (IEEE Commun. Mag., 2018)