Dr. Paraskevas Bakopoulos Profile

Dr. Paraskevas Bakopoulos

Sr. Staff Engineer at Mellanox Technologies Ltd

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Author

Publications (12)

SPIE Journal Paper | 1 February 2023 Open Access

Neuromorphic silicon photonics with 50 GHz tiled matrix multiplication for deep-learning applications

George Giamougiannis, Apostolos Tsakyridis, Miltiadis Moralis-Pegios, George Mourgias-Alexandris, Angelina R. Totovic, George Dabos, Manos Kirtas, Nikolaos Passalis, Anastasios Tefas, Dimitrios Kalavrouziotis, Dimitris Syrivelis, Paraskevas Bakopoulos, Elad Mentovich, David Lazovsky, Nikos Pleros

AP, Vol. 5, Issue 01, 016004, (February 2023) https://doi.org/10.1117/12.10.1117/1.AP.5.1.016004

KEYWORDS: Matrices, Neurons, Matrix multiplication, Silicon photonics, Time division multiplexing, Education and training, Analog electronics, Computer architecture, Picosecond phenomena, Optical computing

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Proceedings Article | 5 March 2021 Presentation + Paper

The path to 1Tb/s and beyond datacenter interconnect networks: technologies, components, and subsystems

Maria Spyropoulou, Giannis Kanakis, Yuqing Jiao, Ripalta Stabile, Nicola Calabretta, Kevin Williams, Virginie Nodjiadjim, Romain Hersent, Agnieszka Konczykowska, Richard Schatz, Oskars Ozolins, Mahdieh Joharifar, Jakub Zvěřina, Martin Žoldák, Paraskevas Bakopoulos, Giannis Patronas, Hercules Avramopoulos

Proceedings Volume 11712, 117120G (2021) https://doi.org/10.1117/12.2582920

KEYWORDS: Transceivers, Switches, Optical components, Electronics, Wafer bonding, Standards development, Photonic integrated circuits, Multiplexing, Internet, Integrated optics

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Proceedings Article | 31 January 2020 Presentation + Paper

Enabling low-cost high-volume production compatible terabit transceivers with up to 1.6 Tbps capacity and 100Gbps per lane PAM-4 modulation for intra-data center optical interconnects up to 2km: The TERIPHIC project approach

P. Groumas, C. Tsokos, D. Felipe, U. Troppenz, R. Hersent, P. Bakopoulos, B. Atias, J. Y. Dupuy, A. Pagano, A. Chiado Piat, S. Kibben, L. Gounaridis, A. Raptakis, M. Seyfried, M. Moehrle, C. Kouloumentas, N. Keil, H. Avramopoulos

Proceedings Volume 11308, 113080C (2020) https://doi.org/10.1117/12.2545352

KEYWORDS: Transceivers, Prototyping, Digital signal processing, Polymers, Waveguides, Modulation, Integrated optics, Packaging, Palladium, Semiconducting wafers

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Proceedings Article | 22 February 2018 Presentation + Paper

Optical datacenter network employing slotted (TDMA) operation for dynamic resource allocation

P. Bakopoulos, K. Tokas, C. Spatharakis, I. Patronas, G. Landi, K. Christodoulopoulos, M. Capitani, A. Kyriakos, M. Aziz, D. Reisis, E. Varvarigos, E. Zahavi, H. Avramopoulos

Proceedings Volume 10538, 1053807 (2018) https://doi.org/10.1117/12.2292722

KEYWORDS: Switches, Switching, Optical switching, Field programmable gate arrays, Optical networks, Network architectures, Tunable lasers, Receivers, Interfaces

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Proceedings Article | 7 March 2016 Paper

Scaling single-wavelength optical interconnects to 180 Gb/s with PAM-M and pulse shaping

Stefanos Dris, Paraskevas Bakopoulos, Nikolaos Argyris, Christos Spatharakis, Hercules Avramopoulos

Proceedings Volume 9775, 977506 (2016) https://doi.org/10.1117/12.2208876

KEYWORDS: Signal detection, Optical interconnects, Pulse shaping, Modulation, Digital filtering, Singular optics, Data conversion, Electro optics, Single mode fibers, Digital signal processing, Nyquist pulse, Receivers, Modulators, Forward error correction

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Proceedings Article | 7 March 2016 Paper

112 Gb/s sub-cycle 16-QAM Nyquist-SCM for intra-datacenter connectivity

Paraskevas Bakopoulos, Stefanos Dris, Nikolaos Argyris, Christos Spatharakis, Hercules Avramopoulos

Proceedings Volume 9775, 97750A (2016) https://doi.org/10.1117/12.2211639

KEYWORDS: Optical interconnects, Modulation, Digital signal processing, Nyquist pulse, Multiplexing, Modulators, Receivers, Single mode fibers, Electronic filtering, Quadrature amplitude modulation, Transmitters

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Proceedings Article | 1 June 2015 Paper

SiN-assisted polarization-insensitive multicore fiber to silicon photonics interface

Giannis Poulopoulos, Dimitrios Kalavrouziotis, Paul Mitchell, John Macdonald, Paraskevas Bakopoulos, Hercules Avramopoulos

Proceedings Volume 9520, 95200E (2015) https://doi.org/10.1117/12.2179077

KEYWORDS: Glasses, Silicon, Waveguides, Polymers, Neodymium, Polarization, Cladding, Interfaces, Ions, Wave propagation

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Proceedings Article | 8 March 2014 Paper

Photonic integration enabling new multiplexing concepts in optical board-to-board and rack-to-rack interconnects

Dimitrios Apostolopoulos, Paraskevas Bakopoulos, Dimitrios Kalavrouziotis, Giannis Giannoulis, Giannis Kanakis, Nikos Iliadis, Christos Spatharakis, Johan Bauwelinck, Hercules Avramopoulos

Proceedings Volume 8991, 89910D (2014) https://doi.org/10.1117/12.2042586

KEYWORDS: Vertical cavity surface emitting lasers, Silicon, Optical interconnects, Modulation, Waveguides, Silicon photonics, Interfaces, Multiplexing, Glasses, Polarization

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Proceedings Article | 1 February 2014 Paper

Experimental demonstration of high spectral-efficiency transmission with a novel non-interferometric vector modulator and custom DSP algorithms for coherent PON architectures

I. Lazarou, C. Spatharakis, V. Katopodis, S. Dris, P. Bakopoulos, B. Schrenk, H. Avramopoulos

Proceedings Volume 9009, 90090I (2014) https://doi.org/10.1117/12.2038473

KEYWORDS: Modulators, Modulation, Digital signal processing, Quadrature amplitude modulation, Signal detection, Phase shift keying, Forward error correction, Demodulation, Phase shifts, Receivers

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Proceedings Article | 1 February 2014 Paper

Blind SNR estimation for QAM constellations based on the signal magnitude statistics

Stefanos Dris, Christos Spatharakis, Paraskevas Bakopoulos, Ioannis Lazarou, Hercules Avramopoulos

Proceedings Volume 9009, 900905 (2014) https://doi.org/10.1117/12.2034532

KEYWORDS: Signal to noise ratio, Quadrature amplitude modulation, Amplitude modulation, Digital signal processing, Statistical analysis, Receivers, Modulation, Interference (communication), Signal processing, Error analysis

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Proceedings Article | 22 October 2013 Paper

Development and testing of a high-power Q-switched DPSS laser for lidar applications: ESA QOMA project case

Georgios Avdikos, Christos Evangelatos, Dimitrios Papadopoulos, George Tsaknakis, Paraskevas Bakopoulos, Alexandros Papayannis, Georgios Tzeremes

Proceedings Volume 8894, 88940E (2013) https://doi.org/10.1117/12.2029033

KEYWORDS: Crystals, Laser crystals, Nd:YAG lasers, Q switches, Thermal effects, Q switched lasers, Bragg cells, Continuous wave operation, Laser resonators, Diode pumped solid state lasers

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Proceedings Article | 7 May 2013 Paper

Preliminary experimental and simulation results of the ESA QOMA project: a new DPSS laser source suitable for space applications

George Tsaknakis, Christos Evangelatos, Paraskevas Bakopoulos, Dimitrios Papadopoulos, Georgios Avdikos, Loïc Deyra, François Balembois, Patrick Georges, Alexandros Papayannis, Stavros Boukios, Georgios Tzeremes

Proceedings Volume 8780, 87800R (2013) https://doi.org/10.1117/12.2020816

KEYWORDS: Optical simulations, Laser resonators, Semiconductor lasers, Crystals, Output couplers, Laser crystals, Nd:YAG lasers, Mirrors, Neodymium, Laser development

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Showing 5 of 12 publications

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