Digital signal processing for short-reach optical communications: A review of current technologies and future trends

K Zhong, X Zhou, J Huo, C Yu, C Lu… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Driven primarily by cloud service and data-center applications, short-reach optical
communication has become a key market segment and growing research area in recent …

Optical communications for short reach

M Chagnon - Journal of Lightwave Technology, 2019 - ieeexplore.ieee.org
Systems modulating, transporting, and detecting lightwaves have evolved tremendously in
the past four decades. The first systems, which were relying on intensity modulation with …

A review of self-coherent optical transceivers: fundamental issues, recent advances, and research directions

I Alimi, R Patel, N Silva, C Sun, H Ji, W Shieh, A Pinto… - Applied Sciences, 2021 - mdpi.com
This paper reviews recent progress on different high-speed optical short-and medium-reach
transmission systems. Furthermore, a comprehensive tutorial on high-performance, low-cost …

Real-time demonstration of homodyne coherent bidirectional transmission for next-generation data center interconnects

T Gui, X Wang, M Tang, Y Yu, Y Lu… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
We experimentally propose and demonstrate homodyne coherent detection in a short-
distance data center interconnect with bidirectional fiber transmission. The transmitter in the …

All-optical signal processing techniques for flexible networks

AE Willner, A Fallahpour, F Alishahi… - Journal of lightwave …, 2018 - ieeexplore.ieee.org
This tutorial highlights challenges and opportunities in achieving efficient flexible optical
networks. Optical signal processing may potentially increase network flexibility because of …

Stokes vector direct detection for linear complex optical channels

D Che, A Li, X Chen, Q Hu, Y Wang… - Journal of Lightwave …, 2014 - ieeexplore.ieee.org
Data center interconnect has stimulated the research on the short-reach communications
with data rate beyond 100G per wavelength and transmission distance of hundreds of …

Compact and scalable polarimetric self-coherent receiver using a dielectric metasurface

G Soma, Y Nomoto, T Umezawa, Y Yoshida, Y Nakano… - Optica, 2023 - opg.optica.org
Polarimetric self-coherent systems using direct-detection-based Stokes-vector receivers
(SVRs) are a promising technology to meet both the cost and capacity requirements of short …

Coherent data center links

JK Perin, A Shastri, JM Kahn - Journal of Lightwave Technology, 2020 - ieeexplore.ieee.org
As link bit rates within and between data centers continue to increase, it is challenging to
maintain low power consumption while accommodating ever-tighter optical link budgets …

Real-time demonstration of 600 Gb/s DP-64QAM SelfHomodyne coherent bi-direction transmission with un-cooled DFB laser

T Gui, X Wang, M Tang, Y Yu, Y Lu… - Optical Fiber …, 2020 - opg.optica.org
We report first successful real-time self-homodyne coherent bi-direction transmission
demonstration with 600-Gb/s DP-64QAM under un-cooled~ 7-MHz linewidth DFB laser. A …

224-Gb/s 10-km transmission of PDM PAM-4 at 1.3 μm using a single intensity-modulated laser and a direct-detection MIMO DSP-based receiver

M Morsy-Osman, M Chagnon, M Poulin… - Journal of Lightwave …, 2015 - ieeexplore.ieee.org
A polarization-division-multiplexed (PDM) intensity-modulation/direct-detection (IM/DD)
system enabled by a novel multiple-input and multiple-output DSP operating in the Stokes …