Probabilistic shaping for ROF system with heterodyne coherent detection | Zendy

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

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Probabilistic shaping for ROF system with heterodyne coherent detection

Author(s) -

Bo Liu,

Xinying Li,

Ying Zhang,

Xiangjun Xin,

Jianjun Yu

Publication year - 2017

Publication title -

apl photonics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.094

H-Index - 34

ISSN - 2378-0967

DOI - 10.1063/1.4981393

Subject(s) - quadrature amplitude modulation , heterodyne detection , electronic engineering , computer science , homodyne detection , optics , bit error rate , polarization division multiplexing , physics , qam , radio over fiber , transmission (telecommunications) , signal processing , telecommunications , engineering , radar , laser , channel (broadcasting)

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) signalgenerationsystem adoptingheterodynecoherentdetection. And we obtain a better bit-error ratio (BER) performance in the PS 16QAM schemecompared to the normal 16QAM scheme in the simulation. We also for the first timeexperimentally demonstrate the feasibility of PS-polarization-division-multiplexing 16QAMin a photonicvector mm-wave signalgenerationsystem employingheterodynecoherentdetection. We obtain the same BER in PS and normal schemes with the PS scheme providing ahigher bit rate. Then we experimentally carry out the performance investigation of PS in a16QAM-modulated radio over fiber system with 40 m wireless transmission

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