A survey on FEC codes for 100 G and beyond optical networks

G Tzimpragos, C Kachris, IB Djordjevic… - … Surveys & Tutorials, 2014 - ieeexplore.ieee.org
Due to the rapid increase in network traffic in the last few years, many telecommunication
operators have started transitions to 100-Gb/s optical networks and beyond. However, high …

High-spectral-efficiency optical modulation formats

PJ Winzer - Journal of Lightwave Technology, 2012 - opg.optica.org
As 100-Gb/s coherent systems based on polarization-division multiplexed quadrature phase
shift keying (PDM-QPSK), with aggregate wavelength-division multiplexed (WDM) capacities …

Staircase codes with 6% to 33% overhead

LM Zhang, FR Kschischang - Journal of Lightwave Technology, 2014 - opg.optica.org
We design staircase codes with overheads between 6.25% and 33.3% for high-speed
optical transport networks. Using a reduced-complexity simulation of staircase coded …

Spatial superchannel routing in a two-span ROADM system for space division multiplexing

LE Nelson, MD Feuer, K Abedin, X Zhou… - Journal of Lightwave …, 2014 - opg.optica.org
We report a two-span, 67-km space-division-multiplexed (SDM) wavelength-division-
multiplexed (WDM) system incorporating the first reconfigurable optical add–drop …

Flex-grid/SDM backbone network design with inter-core XT-limited transmission reach

J Perelló, JM Gené, A Pagès, JA Lazaro… - Journal of Optical …, 2016 - opg.optica.org
Spatial division multiplexing (SDM) has been presented as a key solution to circumvent the
nonlinear Shannon limit of standard single-core fibers. To implement SDM, multi-core fiber …

A large-swing 112-Gb/s selector-driver based on a differential distributed amplifier in InP DHBT technology

JY Dupuy, A Konczykowska, F Jorge… - … on Microwave theory …, 2012 - ieeexplore.ieee.org
We report a 2: 1 selector-driver based on a differential distributed amplifier realized in a 0.7-
μ m indium phosphide double heterojunction bipolar transistor technology. From transistors …

Transoceanic Transmission of 40117.6 Gb/s PDM-OFDM-16QAM Over Hybrid Large-Core/Ultralow-Loss Fiber

S Zhang, Y Zhang, MF Huang, F Yaman… - Journal of Lightwave …, 2012 - ieeexplore.ieee.org
We experimentally demonstrated transmitting 40× 117.6 Gb/s 16 quadrature amplitude
modulation with orthogonal frequency division multiplexing modulation over 10 181 km. The …

Turbo equalization for digital coherent receivers

V Arlunno, A Caballero, R Borkowski… - Journal of lightwave …, 2013 - ieeexplore.ieee.org
High order modulation formats allow to reach higher spectral efficiency and data rate.
However, their practical implementation is limited by their reduced tolerance to noise and to …

Reconfigurable forward error correction decoder for beyond 100 Gbps high speed optical links

B Li, KJ Larsen, D Zibar… - IEEE Communications …, 2014 - ieeexplore.ieee.org
In this paper we propose a reconfigurable forward error correction decoder for beyond 100
Gbps high speed optical links. The decoders for product codes can be configured to support …

A low-latency algorithm and FPGA design for the min-search of LDPC decoders

G Tzimpragos, C Kachris, D Soudris… - … International Parallel & …, 2014 - ieeexplore.ieee.org
The problem of finding efficiently the first k minimum or maximum values is generally met in
many application fields, such as error control coding. More specifically, optimized solutions …