Probabilistic shaping for ROF system with heterodyne coherent detection

Bo Liu; Xinying Li; Ying Zhang; Xiangjun Xin; Jianjun Yu

doi:10.1063/1.4981393

Probabilistic shaping for ROF system with heterodyne coherent detection

Bo Liu, Xinying Li, Ying Zhang, Xiangjun Xin, Jianjun Yu

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

We investigate and compare the performance of normal and probabilistic shaping (PS) 16-ary quadrature amplitude modulation (16QAM) in a photonic vector millimeter-wave (mm-wave) signal generation system adopting heterodyne coherent detection. And we obtain a better bit-error ratio (BER) performance in the PS 16QAM scheme compared to the normal 16QAM scheme in the simulation. We also for the first time experimentally demonstrate the feasibility of PS-polarization-division-multiplexing 16QAM in a photonic vector mm-wave signal generation system employing heterodyne coherent detection. We obtain the same BER in PS and normal schemes with the PS scheme providing a higher bit rate. Then we experimentally carry out the performance investigation of PS in a 16QAM-modulated radio over fiber system with 40 m wireless transmission.

Original language	English
Journal	APL Photonics
Volume	2
Issue number	5
DOIs	https://doi.org/10.1063/1.4981393
Publication status	Published - 1 May 2017
Externally published	Yes

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AU - Liu, Bo

AU - Li, Xinying

AU - Zhang, Ying

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AB - We investigate and compare the performance of normal and probabilistic shaping (PS) 16-ary quadrature amplitude modulation (16QAM) in a photonic vector millimeter-wave (mm-wave) signal generation system adopting heterodyne coherent detection. And we obtain a better bit-error ratio (BER) performance in the PS 16QAM scheme compared to the normal 16QAM scheme in the simulation. We also for the first time experimentally demonstrate the feasibility of PS-polarization-division-multiplexing 16QAM in a photonic vector mm-wave signal generation system employing heterodyne coherent detection. We obtain the same BER in PS and normal schemes with the PS scheme providing a higher bit rate. Then we experimentally carry out the performance investigation of PS in a 16QAM-modulated radio over fiber system with 40 m wireless transmission.

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Probabilistic shaping for ROF system with heterodyne coherent detection

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