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Optical Engineering

Demonstration of high-speed quadrature phase shift keying vector signal generation employing a single Mach–Zehnder modulator with phase precoding technology
Author(s): Yanyi Wang; Xinying Li; Jianjun Yu
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Paper Abstract

We numerically and experimentally investigate high-speed quadrature phase shift keying (QPSK) vector signal generation based on a single Mach–Zehnder intensity modulator employing a precoding technique. We experimentally demonstrate 16-Gbaud QPSK vector signal generation at 16-GHz carrier adopting optical carrier suppression with precoding technique, and it is the highest baud rate generated by this technology. The 16-Gbaud QPSK modulated vector signal is delivered over a 20-km large effective area fiber or 2-km single-mode fiber with a bit-error-rate less than the hard-decision forward-error-correction threshold of 3.8×10−3.

Paper Details

Date Published: 19 January 2016
PDF: 4 pages
Opt. Eng. 55(1) 016101 doi: 10.1117/1.OE.55.1.016101
Published in: Optical Engineering Volume 55, Issue 1
Show Author Affiliations
Yanyi Wang, Fudan Univ. (China)
Xinying Li, Fudan Univ. (China)
Jianjun Yu, Fudan Univ. (China)

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