Differential phase-shift keying heterodyne coherent detection with local oscillation enhancement

Bo Zhang; Jianfeng Sun; Guangyuan Li; Mengmeng Xu; Guo Zhang; Chenzhe Lao; Hongyu He; Chaolei Yue

doi:10.1117/1.OE.57.8.086105

10 August 2018 Differential phase-shift keying heterodyne coherent detection with local oscillation enhancement

Bo Zhang, Jianfeng Sun, Guangyuan Li, Mengmeng Xu, Guo Zhang, Chenzhe Lao, Hongyu He, Chaolei Yue

Author Affiliations +

Optical Engineering, Vol. 57, Issue 8, 086105 (August 2018). https://doi.org/10.1117/1.OE.57.8.086105

Abstract

In the field of intersatellite laser communication, there are two high-sensitivity demodulation methods: binary phase-shift keying (BPSK) coherent detection and differential phase-shift keying (DPSK) coherent detection. After taking into account the advantages and disadvantages of BPSK and DPSK, a DPSK heterodyne coherent detection scheme with local oscillation enhancement is proposed. The structure and the principles of this detection system are described, and the theoretical deduction is presented. Moreover, an experimental setup was constructed to test the proposed detection scheme. The offline processing procedure and results are presented. This scheme has potential applications in high-speed intersatellite laser communication.

Citation Download Citation

Bo Zhang, Jianfeng Sun, Guangyuan Li, Mengmeng Xu, Guo Zhang, Chenzhe Lao, Hongyu He, and Chaolei Yue "Differential phase-shift keying heterodyne coherent detection with local oscillation enhancement," Optical Engineering 57(8), 086105 (10 August 2018). https://doi.org/10.1117/1.OE.57.8.086105

Received: 4 April 2018; Accepted: 18 July 2018; Published: 10 August 2018

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