Digital signal processing for short-reach optical communications: A review of current technologies and future trends
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 …
communication has become a key market segment and growing research area in recent …
Silicon photonic modulators for PAM transmissions
High-speed optical interconnects are crucial for both data centers and high performance
computing systems. High power consumption and limited device bandwidth have hindered …
computing systems. High power consumption and limited device bandwidth have hindered …
Performance limits in optical communications due to fiber nonlinearity
In this paper, we review the historical evolution of predictions of the performance of optical
communication systems. We will describe how such predictions were made from the outset …
communication systems. We will describe how such predictions were made from the outset …
Design of low-power DSP-free coherent receivers for data center links
Coherent detection offers high spectral efficiency and receiver sensitivity, but digital signal
processing (DSP)-based coherent receivers may be prohibitively power hungry for data …
processing (DSP)-based coherent receivers may be prohibitively power hungry for data …
Coherent data center links
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 …
maintain low power consumption while accommodating ever-tighter optical link budgets …
Data center links beyond 100 Gbit/s per wavelength
Increased traffic demands within and between data centers now necessitate low-cost and
low-power systems with per-wavelength bit rates beyond what can be easily achieved using …
low-power systems with per-wavelength bit rates beyond what can be easily achieved using …
Four-dimensional modulation and Stokes direct detection of polarization division multiplexed intensities, inter polarization phase and inter polarization differential …
M Morsy-Osman, M Chagnon… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
We propose and experimentally demonstrate modulation and Stokes space direct-detection
(DD) of four orthogonal dimensions or degrees of freedom (DOF) of a single laser being the …
(DD) of four orthogonal dimensions or degrees of freedom (DOF) of a single laser being the …
Optical field recovery in stokes space
Coherent detection empowers optical receivers the capability of recovering the optical field
propagating through the fiber. Field recovery not only increases the degree of freedom for …
propagating through the fiber. Field recovery not only increases the degree of freedom for …
Solutions for 80 km DWDM Systems
Currently discussed solutions for 80 km DWDM transmission targeting inter-data center
connections at 100G and 400G line rates are reviewed. PDM-64QAM, PAM4, and discrete …
connections at 100G and 400G line rates are reviewed. PDM-64QAM, PAM4, and discrete …
Digital signal processing for dual-polarization intensity and interpolarization phase modulation formats using stokes detection
We study and compare two digital signal processing (DSP) approaches to recover the
intensity on two orthogonal polarizations and the interpolarization phase modulation using a …
intensity on two orthogonal polarizations and the interpolarization phase modulation using a …