Laser communication transmitter and receiver design

DO Caplan - Journal of Optical and Fiber Communications Reports, 2007 - Springer
Free-space laser communication systems have the potential to provide flexible, high-speed
connectivity suitable for long-haul intersatellite and deep-space links. For these applications …

Simulation of high capacity 40 Gb/s long haul DWDM system using different modulation formats and dispersion compensation schemes in the presence of Kerr's effect

A Sheetal, AK Sharma, RS Kaler - Optik, 2010 - Elsevier
In this paper, simulative analysis of 40Gb/s long haul (500–2000km) DWDM system with
ultra high capacity upto 1.28 Tb/s has been carried out for carrier-suppressed return-to-zero …

Optical double sideband modulation technique with increased spectral efficiency

WI Way - US Patent 7,515,833, 2009 - Google Patents
An all optical network for optical signal traffic has at least a first ring with at least one
transmitter and one receiver. The first ring includes a plurality of network nodes. At least a …

RZ, CS-RZ, and soliton generation for access networks applications: problems and variants of decisions

OG Morozov - Optical Technologies for Telecommunications …, 2012 - spiedigitallibrary.org
The problems of RZ, CS-RZ and soliton generation and the problems of transmitters building
for regional and intercontinental fiber optic-based solutions are proposed in order to assess …

Performance evaluation of 64× 10 Gbps and 96× 10 Gbps DWDM system with hybrid optical amplifier for different modulation formats

S Singh, RS Kaler - Optik, 2012 - Elsevier
In this paper, we investigated the performance of multi terabits DWDM system consisting of
hybrid optical amplifier RAMAN-EDFA for different data format such as non-return to zero …

Coherent crosstalk in ultradense WDM systems

PJ Winzer, M Pfennigbauer… - Journal of lightwave …, 2005 - opg.optica.org
We present extensive numerical studies on the determination of coherent wavelength-
division multiplexing (WDM) crosstalk penalties for ultradense wavelength-division …

Performance investigation of DQPSK modulated ultra dense WDM system for different pulse shapes under the effect of various transmission impairments

Rajeev, C Kumar - Optical and Quantum Electronics, 2022 - Springer
In this paper, we have designed an ultra-dense wavelength division multiplexing system for
450 channels with a bit rate of 160 Gb/s per channel based on the high spectral efficient …

Ultra high capacity 1.28 Tbps DWDM system design and simulation using optimized modulation format

B Patnaik, PK Sahu - Optik, 2013 - Elsevier
In this paper, an ultra high capacity optical system with transmission capacity of 1.28 Tbps
using optimized modulation format is presented. The system design is achieved by using a …

Optical communication using duobinary modulation

WI Way - US Patent 7,577,367, 2009 - Google Patents
Optical techniques, devices and systems for combining duobinary modulation and optical
subcarrier multiplexing in optical communication applications. An analog mixer is used to …

Comparative investigation of CSRZ‐DQPSK, DRZ‐DQPSK, and MDRZ‐DQPSK modulation techniques in MDM IS‐OWC system

HK Gill, NS Grewal, GK Walia - Microwave and Optical …, 2019 - Wiley Online Library
The article presents the comprehensive approach of designing MDM in Inter‐Satellite OWC
system using CSRZ‐DQPSK, DRZ‐DQPSK, and MDRZ‐DQPSK modulation system. The 64 …