Field and lab experimental demonstration of nonlinear impairment compensation using neural networks

S Zhang, F Yaman, K Nakamura, T Inoue… - Nature …, 2019 - nature.com
Fiber nonlinearity is one of the major limitations to the achievable capacity in long distance
fiber optic transmission systems. Nonlinear impairments are determined by the signal …

[PDF][PDF] Advances in high-speed DACs, ADCs, and DSP for optical coherent transceivers

C Laperle, M O'Sullivan - Journal of lightwave technology, 2014 - researchgate.net
Advances in High-Speed DACs, ADCs, and DSP for Optical Coherent Transceivers Page 1
JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 32, NO. 4, FEBRUARY 15, 2014 629 …

Design tradeoffs and challenges in practical coherent optical transceiver implementations

DA Morero, MA Castrillón, A Aguirre… - Journal of Lightwave …, 2016 - opg.optica.org
This tutorial discusses the design and ASIC implementation of coherent optical transceivers.
Algorithmic and architectural options and tradeoffs between performance and …

20 Tbit/s transmission over 6860 km with sub-Nyquist channel spacing

JX Cai, CR Davidson, A Lucero, H Zhang… - Journal of lightwave …, 2012 - opg.optica.org
We demonstrate that channel spacing can be reduced to values smaller than the Nyquist
channel spacing over transoceanic distance. Modulation memory induced by constrained …

Coherent transceiver architecture

OE Agazzi, DE Crivelli, P Voois, RR Lopez… - US Patent …, 2017 - Google Patents
(57) ABSTRACT A coherent receiver comprises an ingress signal path having an ingress
line-side interface, and an ingress host-side inter face. The ingress signal path is configured …

Coherent transceiver architecture

OE Agazzi, DE Crivelli, P Voois, RR Lopez… - US Patent …, 2016 - Google Patents
A coherent receiver comprises an ingress signal path having an ingress line-side interface,
and an ingress host-side interface. The ingress signal path is configured to receive an …

Field trial over 820 km installed SSMF and its potential Terabit/s superchannel application with up to 57.5-Gbaud DP-QPSK transmission

T Xu, J Li, G Jacobsen, S Popov, A Djupsjöbacka… - Optics …, 2015 - Elsevier
In this paper, we report the result of a field trial of 56-Gbaud (224-Gbit/s) and 57.5-Gbaud
(230-Gbit/s) dual-polarization quadrature phase shift keying (DP-QPSK) coherent optical …

Coherent transceiver architecture

OE Agazzi, DE Crivelli, P Voois, RR Lopez… - US Patent …, 2019 - Google Patents
US10177851B2 - Coherent transceiver architecture - Google Patents US10177851B2 -
Coherent transceiver architecture - Google Patents Coherent transceiver architecture Download …

Analysis of chromatic dispersion compensation and carrier phase recovery in long-haul optical transmission system influenced by equalization enhanced phase noise

T Xu, G Jacobsen, S Popov, J Li, S Sergeyev… - Optik, 2017 - Elsevier
The performance of long-haul coherent optical fiber transmission system is significantly
affected by the equalization enhanced phase noise (EEPN), due to the interaction between …

Pilot-symbols-aided cycle slip mitigation for DP-16QAM optical communication systems

H Cheng, Y Li, F Zhang, J Wu, J Lu, G Zhang, J Xu… - Optics express, 2013 - opg.optica.org
A pilot-symbols-aided phase unwrapping (PAPU), which utilizes the time-division
multiplexed pilot symbols that are transmitted with data, is proposed to do cycle slip …