Low-complexity and phase noise tolerant carrier phase estimation for dual-polarization 16-QAM systems

Y Gao, APT Lau, S Yan, C Lu - Optics Express, 2011 - opg.optica.org
A low-complexity feed-forward carrier phase estimation (CPE) technique is presented for
dual-polarization (DP)-16-QAM transmission systems. By combining QPSK partitioning …

Spectrally efficient quadrature duobinary coherent systems with symbol-rate digital signal processing

J Li, Z Tao, H Zhang, W Yan, T Hoshida… - Journal of lightwave …, 2011 - opg.optica.org
An enhanced digital coherent receiver including a novel blind equalization approach and
maximum-likelihood sequence detection (MLSD) is proposed for dual-polarization …

Fully-integrated polarization-diversity coherent receiver module for 100G DP-QPSK

A Beling, N Ebel, A Matiss… - 2011 Optical Fiber …, 2011 - ieeexplore.ieee.org
A new compact coherent receiver module comprising a micro-optic polarization beam
splitter and two InP-based 90° hybrids with integrated photodiodes is characterized at 112 …

Pulse shaping for 112 Gbit/s polarization multiplexed 16-QAM signals using a 21 GSa/s DAC

JC Cartledge, JD Downie, JE Hurley, AS Karar… - Optics express, 2011 - opg.optica.org
Pulse shaping for 112 Gbit/s polarization multiplexed 16-QAM signals using a 21 GSa/s DAC
clickable element to expand a topic LOGIN OR CREATE ACCOUNT PRISM SUBMISSION …

Coherent optical communication systems

I Roudas - WDM Systems and Networks: Modeling, Simulation …, 2011 - Springer
The rapid evolution of long-haul optical communications systems, witnessed in the last five
years, is due to the gradual adoption of spectrally efficient, multilevel modulation formats, in …

High-speed optical fibre transmission using advanced modulation formats

S Makovejs - 2011 - discovery.ucl.ac.uk
The rapid growth in interactive bandwidth-hungry services demands ever higher capacity at
various stages of the optical network, leading to a potential capacity exhaust, termed the …

112 Gb/s PM-QPSK transmission up to 6000 km with 200 km amplifier spacing and a hybrid fiber span configuration

JD Downie, J Hurley, J Cartledge, S Bickham… - Optics …, 2011 - opg.optica.org
We demonstrate transmission of 112 Gb/s PM-QPSK signals over a system with 200 km
span lengths. Amplification is provided by hybrid backward-pumped Raman/EDFA …

[HTML][HTML] Analysis of signal processing techniques for optical 112 Gb/s DP-QPSK receivers with experimental data

TF Portela, DV Souto, VN Rozental… - Journal of Microwaves …, 2011 - SciELO Brasil
This paper evaluates several signal processing techniques for optical dual-polarization
quadrature phase-shift keying (DP-QPSK) coherent receivers, using offline post-processing …

Decision-aided joint compensation of channel distortion and transmitter IQ imbalance for coherent optical OFDM

S Cao, C Yu, PY Kam - … Photonics jointly held with the 2011 …, 2011 - ieeexplore.ieee.org
We propose a decision-aided joint compensation scheme of channel distortion and
transmitter IQ imbalance for coherent optical orthogonal frequency-division-multiplexed (CO …

Experimental investigation of 84-Gb/s and 112-Gb/s polarization-switched quadrature phase-shift keying signals

JK Fischer, L Molle, M Nölle, DD Groß… - Optics …, 2011 - opg.optica.org
We experimentally investigate 28-GBd (84-Gb/s) and 37.3-GBd (112-Gb/s) polarization-
switched quadrature phase-shift keying (PS-QPSK) signals. In single-channel transmission …