Two-user 2.5Gbps 100km OCDMA transmission experiment using EPS-SSFBG En/decoder

Lin Lu; Yimei Wei; Tao Pu; Yuquan Li

doi:10.1117/12.851764

25 November 2009 Two-user 2.5Gbps 100km OCDMA transmission experiment using EPS-SSFBG En/decoder

Lin Lu, Yimei Wei, Tao Pu, Yuquan Li

Proceedings Volume 7632, Optical Transmission Systems, Switching, and Subsystems VII; 76320N (2009) https://doi.org/10.1117/12.851764
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

There are three key modules in coherent optical code division multiple access (OCDMA) system: source of ultra-short optical pulse, en/decoder and receiver. Two-user 2.5Gbps OCDMA experiment is shown to achieve 100km transmission using Gain Switch Laser Diode ,63-chip Equivalent phase shift super structured fiber Bragg grating (EPS-SSFBG) phase en/decoder, and threshold adjustable receiver with broadband decision. The match between optical pulse source and en/decoders is also an important issue in OCDMA system design. Half band application for EPS-SSFBG en/decoder is proposed and testified in the experiment. Two receiver schemes, which are bit rate receiver and broadband decision receiver, are compared in experiment. Relationships between BER and decision level&time are observed in the experiment, error free transmission was achieved in the range of 10ps decision time and 17% decision level. Results of the experiment show that OCDMA system with fewer users can be put forward with fairly well performance and acceptable expenditure.

Citation Download Citation

Lin Lu, Yimei Wei, Tao Pu, and Yuquan Li "Two-user 2.5Gbps 100km OCDMA transmission experiment using EPS-SSFBG En/decoder", Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76320N (25 November 2009); https://doi.org/10.1117/12.851764

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