A novel joint-matching method for optimizing the compatibility between optical source and en/decoder of OCDMA

Jilin Zheng; Rong Wang; Tao Pu; Peng Chen; Yingxun Zhu; Lin Lu

doi:10.1117/12.802845

11 November 2008 A novel joint-matching method for optimizing the compatibility between optical source and en/decoder of OCDMA

Jilin Zheng, Rong Wang, Tao Pu, Peng Chen, Yingxun Zhu, Lin Lu

Author Affiliations +

Proceedings Volume 7134, Passive Components and Fiber-based Devices V; 71343T (2008) https://doi.org/10.1117/12.802845
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

Optical en/decoder is one of the key components in Optical Code Division Multiple Access (OCDMA) systems. Therefore, the improvement of performance of en/decoder is very necessary for improving the whole performance of OCDMA system. Among all kinds of factors which affecting the performance of en/decoder, the compatibility between optical source and en/decoder is proved to be an inevitable item. In this paper, as to equivalent phase shift super-structured FBG (EPS-SSFBG), an advanced en/decoding technology, both optimum pulse width and proper central wavelength deviation between optical source and EPS-SSFBG based en/decoder are first investigated, which lead to a novel method of optimizing the compatibility between optical source and en/decoder. The simulation results show that there exists an optimum pulse width, not the narrowest one, fit for EPS-SSFBG based en/decoder, what's more, it is proved advisable that proper central wavelength deviation would be beneficial when pulse width is relatively wide. Simulation and experimental results prove the feasibility and effectivity of the proposed method.

Citation Download Citation

Jilin Zheng, Rong Wang, Tao Pu, Peng Chen, Yingxun Zhu, and Lin Lu "A novel joint-matching method for optimizing the compatibility between optical source and en/decoder of OCDMA", Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 71343T (11 November 2008); https://doi.org/10.1117/12.802845

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KEYWORDS

Picosecond phenomena

Phase shifts

Fiber Bragg gratings

Reflectivity

Computer programming

Code division multiplexing

Fourier transforms

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