Title :
Analysis of direct detection and coherent detection in wireless optical communication with polarization shift keying
Author :
Liu, Chao ; Sun, Yunxu ; Yao, Yong ; Zhao, Xinhui
Author_Institution :
Dept. of Electron. & Inf. Eng., Harbin Inst. of Technol., Shenzhen, China
Abstract :
The comparison between direct detection and coherent detection for circular polarization shift keying modulation scheme is analyzed for wireless optical communication in turbulence channel. The coherent detection had a better performance than direct detection.
Keywords :
light polarisation; optical communication; phase shift keying; coherent detection; direct detection; polarization shift keying; turbulence channel; wireless optical communication; Background noise; Bit error rate; Information analysis; Intensity modulation; Laser noise; Optical detectors; Optical fiber communication; Optical fiber polarization; Polarization shift keying; Wireless communication; atmospheric turbulence; coherent detection; direct detection; polarization shift keying; wireless optical communication;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292530