The influence of extinction ratio of input signal on copied signal in fiber ring cavity

Ya-ping Wang; Chong-qing Wu; Zhi Wang; Yang Zhao

doi:10.1117/12.743408

21 November 2007 The influence of extinction ratio of input signal on copied signal in fiber ring cavity

Ya-ping Wang, Chong-qing Wu, Zhi Wang, Yang Zhao

Author Affiliations +

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67812Z (2007) https://doi.org/10.1117/12.743408
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

The influence of the extinction ratio (ER) of the input signal on the copying optical signal are analyzed theoretically for the first time to our knowledge and the deterioration of the ER of the output signal result from continuous - wave (CW) is noticed. The relationship between the ER of the output and the input signals are given quantificationally. The experiment results are agree with the theory. The recopied optical signal using fiber ring cavity is realized in experiment by reducing CW. An Erbium-doped optical fiber amplifier (EDFA) is employed for compensating the round - trip loss of the fiber ring cavity and a semiconductor optical amplifier (SOA) is used for the power equalizing of the output signal, the tenth copied optical signal is implemented.

Citation Download Citation

Ya-ping Wang, Chong-qing Wu, Zhi Wang, and Yang Zhao "The influence of extinction ratio of input signal on copied signal in fiber ring cavity", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67812Z (21 November 2007); https://doi.org/10.1117/12.743408

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