Lasers, Fiber Optics, and Communications

Demonstration of high-speed quadrature phase shift keying vector signal generation employing a single Mach–Zehnder modulator with phase precoding technology

[+] Author Affiliations
Yanyi Wang, Xinying Li, Jianjun Yu

Fudan University, Key Laboratory for Information Science of Electromagnetic Waves (MoE), Shanghai 300433, China

Opt. Eng. 55(1), 016101 (Jan 19, 2016). doi:10.1117/1.OE.55.1.016101
History: Received November 3, 2015; Accepted December 22, 2015
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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 3.8×103.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Yanyi Wang ; Xinying Li and Jianjun Yu
"Demonstration of high-speed quadrature phase shift keying vector signal generation employing a single Mach–Zehnder modulator with phase precoding technology", Opt. Eng. 55(1), 016101 (Jan 19, 2016). ; http://dx.doi.org/10.1117/1.OE.55.1.016101


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