Experimental demonstration of ±&#960;/2-phase-shifted SSFBG encoder for security improvement in time-spreading OCDMA

Bo Dai; Zhensen Gao; Xu Wang; Nobuyuki Kataoka; Naoya Wada

doi:10.1117/12.887741

19 January 2011 Experimental demonstration of ±π/2-phase-shifted SSFBG encoder for security improvement in time-spreading OCDMA

Bo Dai, Zhensen Gao, Xu Wang, Nobuyuki Kataoka, Naoya Wada

Author Affiliations +

Proceedings Volume 7986, Passive Components and Fiber-Based Devices VII; 798607 (2011) https://doi.org/10.1117/12.887741
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

We demonstrate the security improvement using ±π/2-phase-shifted SSFBG encoder in time-spreading OCDMA. Compared with conventional 0/π-phase-shifted SSFBG encoder, ±π/2-phase-shifted SSFBG encoder conceals code pattern well in the encoded waveform. We also theoretically analyze and experimentally investigate the influence of input pulse and the experimental measurement matches the calculated result very well.

Citation Download Citation

Bo Dai, Zhensen Gao, Xu Wang, Nobuyuki Kataoka, and Naoya Wada "Experimental demonstration of ±π/2-phase-shifted SSFBG encoder for security improvement in time-spreading OCDMA", Proc. SPIE 7986, Passive Components and Fiber-Based Devices VII, 798607 (19 January 2011); https://doi.org/10.1117/12.887741

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