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Optical Engineering

Optical transmission of variable-pulse-width alternating-phase duobinary modulation: MATLAB Simulink simulation and comparison with carrier-suppressed return-to-zero amplitude-shift-keying experimental transmission
Author(s): Le Nguyen Binh
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Paper Abstract

Transmission in a 40-Gbit/s alternating-phase (0 and π) duobinary modulation format with 67%, 50%, and 33% pulse width [modulation duobinary carrier suppression (CS) and carrier maximum pulse carving] is demonstrated. A minimum 136-ps/nm dispersion tolerance can be achieved at this transmission rate. At least 5- and 1.2-dB receiver sensitivity improvements are achieved for CS return-to-zero (RZ) 67% and 50% duobinary modulation, respectively, as compared with the experimental measurement under CS RZ differential phase-shift keying transmission over a 320-km three-span optically amplified dispersion-compensated standard single-mode fiber system. A MATLAB Simulink platform is described for simulation of the transmission performance.

Paper Details

Date Published: 1 July 2008
PDF: 10 pages
Opt. Eng. 47(7) 075001 doi: 10.1117/1.2957965
Published in: Optical Engineering Volume 47, Issue 7
Show Author Affiliations
Le Nguyen Binh, Monash Univ. (Australia)

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