PUBLICATIONS & Patents
2023
Multi-parallel and serial optical analog to digital conversion
M Nazarathy
US Patent App. 18/320,477
Transparent linear optical transmission of passband and baseband electrical signals
M Nazarathy, A Agmon, A Tolmachev
US Patent 11,646,793
2Serial-2Parallel Optical DAC for High-Resolution Photonic-Efficient Energy-Efficient 4| 16| 64| 256 QAM
M Nazarathy, I Tomkos
IEEE Photonics Technology Letters 35 (9), 465-468
2022
Multi-degree-of-freedom stabilization of large-scale photonic integrated circuits
M Nazarathy, J Fisher
US Patent 11,526,145
Energy-efficient reconfigurable 4| 16| 64| 256-QAM transmitter based on PAM2| 4-driven optical DACs
M Nazarathy, I Tomkos
IEEE Photonics Technology Letters 34 (21), 1159-1162
2021
‘Perfect’PAM4 serial digital-optical conversion
M Nazarathy, I Tomkos
IEEE Photonics Technology Letters 33 (10), 475-478
Transparent linear optical transmission of passband and baseband electrical signals
M Nazarathy, A Agmon, A Tolmachev
US Patent 10,951,315
Transmitter, receiver and a method for digital multiple sub-band processing
M Nazarathy, A Tolmachev
US Patent 10,931,486
Accurate power-efficient format-scalable multi-parallel optical digital-to-analogue conversion
M Nazarathy, I Tomkos
Photonics 8 (2), 38
2020
Transmitter, receiver and a method for digital multiple sub-band processing
M Nazarathy, A Tolmachev
US Patent 10,700,897
2019
Multi-degree-of-freedom stabilization of large-scale photonic integrated circuits
M Nazarathy, J Fisher
US Patent 10,496,069
Low-cost/power coherent transceivers for intra-datacenter interconnections and 5G fronthaul links
I Tomkos, A Tolmachev, A Agmon, M Meltsin, T Nikas, M Nazarathy
2019 21st International Conference on Transparent Optical Networks (ICTON), 1-5
2018
System and method for OFDM symbol interleaving
M Nazarathy, A Bar, A Shalom, I Tselniker
US Patent 10,116,404
Self-coherent robust spectrally efficient optical transmission systems
M Nazarathy, A Agmon, A Tolmachev
US Patent App. 15/676,286
2017
System and method for OFDM symbol interleaving
M Nazarathy, A Bar, A Shalom, I Tselniker
US Patent 9,806,837
System and method for ofdm symbol receiving and processing
M Nazarathy, A Bar, A Shalom, I Tselniker
US Patent App. 15/319,798
Robust coherent and self-coherent signal processing techniques
M Nazarathy, I Tselniker, N Sigron
US Patent 9,641,258
Receiver, transmitter and a method for digital multiple sub-band processing
M Nazarathy, A Tolmachev
US Patent 9,503,284
2016
Real-time hardware demonstration of 180 Gbps DFT-S OFDM receiver based on digital sub-banding
A Tolmachev, M Meltsin, R Hilgendorf, M Orbah, Y Birk, S Ben-Ezra, …
ECOC 2016; 42nd European Conference on Optical Communication, 1-3
2015
Experimental demonstration of low-complexity fiber chromatic dispersion mitigation for reduced guard-interval OFDM coherent optical communication systems based on digital …
M Malekiha, I Tselniker, M Nazarathy, A Tolmachev, DV Plant
Optics express 23 (20), 25608-25619
Optical network unit, optical access network and a method for exchanging information
M Nazarathy, A Agmon
US Patent 9,112,640
Coherent and self-coherent signal processing techniques
I Tselniker, N Sigron, M Nazarathy
US Patent 9,083,471
Polar multi-symbol delay detector for carrier phase and frequency recovery for coherent transmission
M Nazarathy, I Tselniker, A Tolmachev
US Patent 9,059,889
Ultra-dense, single-wavelength DFT-spread OFDMA PON with laserless 1.2 Gb/s ONU ready for silicon photonics integration
PC Schindler, A Agmon, S Wolf, R Bonk, L Meder, M Meltsin, A Ludwig, …
Journal of Lightwave Technology 33 (8), 1650-1659
Optical network unit, optical access network and a method for exchanging information
M Nazarathy, A Agmon, DM Marom
US Patent 9,008,512
Carrier phase estimation for optically coherent QPSK based on wiener-optimal and adaptive multi-symbol delay detection (MSDD)
N Sigron, I Tselniker, M Nazarathy
US Patent 8,977,136
Ultra-high-speed photonic-enabled ADC based on multi-phase interferometry
M Nazarathy, I Zelniker
US Patent 8,953,950
Multi-degree-of-freedom stabilization of large-scale photonic-integrated circuits
J Fisher, A Kodanev, M Nazarathy
Journal of Lightwave Technology 33 (10), 2146-2166
2014
Flexible real-time transmitter at 10 Gbit/s for SC-FDMA PONs focusing on low-cost ONUs
L Meder, PC Schindler, A Agmon, M Meltsin, R Bonk, J Meyer, …
Proceedings of the 2014 Conference on Design and Architectures for Signal …
Ultra-dense, single-wavelength DFT-spread OFDM PON with laserless 1 Gb/s ONU at only 300 MBd per spectral group
PC Schindler, A Agmon, S Wolf, R Bonk, L Meder, M Meltsin, A Ludwig, …
2014 The European Conference on Optical Communication (ECOC), 1-3
Sub-banded/single-sub-carrier drop-demux and flexible spectral shaping with a fine resolution photonic processor
R Rudnick, A Tolmachev, D Sinefeld, O Golani, S Ben-Ezra, M Nazarathy, …
2014 The European Conference on Optical Communication (ECOC), 1-3
Improving the phase noise tolerance of sub-banded DFT-spread OFDM by nonredundant interleaving
A Shalom, I Tselniker, M Nazarathy
Journal of Lightwave Technology 32 (21), 4119-4132
Digitally sub-banded coherent optical OFDM transmission
M Nazarathy, A Tolmachev
Optical Fiber Communication Conference, Tu3G. 1
OFDM/WDM PON with laserless, colorless 1 Gb/s ONUs based on Si-PIC and slow IC
A Agmon, M Nazarathy, DM Marom, S Ben-Ezra, A Tolmachev, R Killey, …
Journal of Optical Communications and Networking 6 (3), 225-237
Subbanded DSP architectures based on underdecimated filter banks for coherent OFDM receivers: Overview and recent advances
M Nazarathy, A Tolmachev
IEEE Signal processing magazine 31 (2), 70-81
2013
Doubling direct-detection data rate by polarization multiplexing of 16-QAM without active polarization control
M Nazarathy, A Agmon
Optics express 21 (26), 31998-32012
Multiplier-free phase recovery with polar-domain multisymbol-delay-detector
A Tolmachev, I Tselniker, M Meltsin, I Sigron, D Dahan, A Shalom, …
Journal of lightwave technology 31 (23), 3638-3650
In-Service monitoring of chromatic dispersion with filter-bank digitally sub-banded OFDM
A Bar, A Tolmachev, M Nazarathy
IEEE Photonics Technology Letters 25 (22), 2189-2192
Multiplier-free joint carrier recovery for 16-QAM synchronous or agile burst receivers
I Tselniker, A Tolmachev, M Nazarathy
IEEE Photonics Technology Letters 25 (21), 2133-2136
Enhanced SMF passive optical networks using polarization beamforming
A Agmon, M Nazarathy
US Patent 8,488,974
Real-time FPGA implementation of efficient filter-banks for digitally sub-banded coherent DFT-S OFDM receiver
A Tolmachev, M Orbach, M Meltsin, R Hilgendorf, T Birk, M Nazarathy
2013 Optical Fiber Communication Conference and Exposition and the National …
Efficient multiplier-free FPGA demonstration of polar-domain multi-symbol-delay-detector (MSDD) for high performance phase recovery of 16-QAM
A Tolmachev, I Tselniker, M Meltsin, I Sigron, M Nazarathy
Optical Fiber Communication Conference, OM2C. 8
Bi-directional ultra-dense polarization-diverse OFDM/WDM PON with laserless colorless 1Gb/s ONUs based on Si PICs and< 417 MHz mixed-signal ICs
A Agmon, M Nazarathy, DM Marom, S Ben-Ezra, A Tolmachev, R Killey, …
2013 Optical Fiber Communication Conference and Exposition and the National …
All-optical reconfigurable cascadable logic with linear preprocessing by lightwave interference and post-processing by nonlinear phase erasure
M Nazarathy, A Nevet
US Patent 8,345,335
2012
A self-coherent receiver for detection of PolMUX coherent signals
J Li, R Schmogrow, D Hillerkuss, PC Schindler, M Nazarathy, …
Optics Express 20 (19), 21413-21433
Digital sub-banding–a signal processing architecture radically improving OFDM coherent optical receivers
M Nazarathy, A Tolmachev
Signal Processing in Photonic Communications, SpW2B. 1
Spatially distributed successive approximation register (SDSAR) photonic ADCs based on phase-domain quantization
M Nazarathy, O Shaham
Optics Express 20 (7), 7833-7869
2011
Filter-bank based efficient transmission of reduced-guard-interval OFDM
A Tolmachev, M Nazarathy
Optics express 19 (26), B370-B384
