Analyze the group delay ripple of chirped fiber gratings using CWT

Zhongwei Tan; Yongjun Fu; Tigang Ning; Tangjun Li; Yan Liu; Shuisheng Jian

doi:10.1117/12.521473

30 April 2004 Analyze the group delay ripple of chirped fiber gratings using CWT

Zhongwei Tan, Yongjun Fu, Tigang Ning, Tangjun Li, Yan Liu, Shuisheng Jian

Proceedings Volume 5279, Optical Fibers and Passive Components; (2004) https://doi.org/10.1117/12.521473
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

Dispersion-compensating chirped fiber gratings provide a compact low-loss means of compensating fiber dispersion. They are potential candidates for per-channel tunable dispersion compensation devices [2]. Group delay ripple (GDR) is the principle reason restraining the practical implementation of chirped fiber Bragg gratings and many papers indicate how the GDR impairs the systems performance [1, 3, 4]. S.Jamal has indicated that the period of the group delay ripple has much important influence on the systems performance [1]. But the ripple period of the chirped fiber grating was not consistent along side the grating, and Michael Sumetsky has explained the cutoff phenomenon of the high frequency in [2]. Because the period of the chirped fiber grating changed with the wavelength and the components of different frequency overlapped with each other, the time-frequency analysis was needed to descript the time-frequency distribution of the GDR of the grating. [5]

Citation Download Citation

Zhongwei Tan, Yongjun Fu, Tigang Ning, Tangjun Li, Yan Liu, and Shuisheng Jian "Analyze the group delay ripple of chirped fiber gratings using CWT", Proc. SPIE 5279, Optical Fibers and Passive Components, (30 April 2004); https://doi.org/10.1117/12.521473

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