Experimental demonstration of polarisation shift keying in the free space optical turbulence channel

Tang, Xuan, Ghassemlooy, Zabih, Rajbhandari, Sujan, Popoola, Wasiu Oyewole, Uysal, Murat and Wu, Dehao (2012) Experimental demonstration of polarisation shift keying in the free space optical turbulence channel. In: 1st IEEE International Conference on Communications in China (ICCC), 15-17 August 2012, Beijing, China.

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Official URL: http://dx.doi.org/10.1109/ICCCW.2012.6316470

Abstract

In this paper, the performance of binary polarisation shift keying (BPOLSK) with the direct detection (DD) scheme is experimentally investigated. BPOLSK scheme is used to mitigate the atmospheric turbulence induced fading in a free space optical (FSO) communication link. For comparison the experimental and analytical results for the non-return-to-zero on-off keying (NRZ-OOK) have also been presented. The experimental Q-factors are verified in conjunction with theoretical values in weak turbulence regime to confirm the validity of the proposed scheme. The results have shown that BPOLSK offers higher Q-factor values compared to NRZ-OOK for the same transmitted optical power and the turbulence variance. For example, when the turbulence variance σ2l is 0.03, the Q-factors are 4.6 and 5 for NRZ-OOK and BPOLSK respectively.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: laser beams, mirrors, optical polarization, optical receivers, optical transmitters, Q factor
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics and Information Sciences
Depositing User: Ellen Cole
Date Deposited: 19 Dec 2012 12:33
Last Modified: 10 Aug 2015 11:13
URI: http://nrl.northumbria.ac.uk/id/eprint/10533

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