All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier.

All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier. Research Abstract Details 

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All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier. Abstract Text:

Jing Xu,Xinliang Zhang,Jianji Dong,Deming Liu,Dexiu Huang,Jing Xu,Xinliang Zhang,Jianji Dong,Deming Liu,Dexiu Huang,

A novel scheme for carrying out all-optical intensity differentiation is proposed and demonstrated based on the cross-gain modulation (XGM) in a semiconductor optical amplifier (SOA). Because of the XGM, the mathematical definition of differentiation can be expressed by the combined power of the amplified pump pulse and the delayed modulated probe pulse at the output of the SOA. The final waveform and error evolution versus relative time delay between two pulses is investigated. Interestingly enough, it is shown that the acquisition of good differentiation is possible under zero time delay. A further study of zero time delay has been performed for various data rates and shows that the carrier recovery time of the SOA is a speed-limiting factor of the scheme.

All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier. Publishing Authors By Initials

J Xu,X Zhang,J Dong,D Liu,D Huang,J Xu,X Zhang,J Dong,D Liu,D Huang,

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All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Optics letters

VOLUME: 32

Page Numbers: 3029-31

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ISSN: 0146-9592

DAY: 15

MONTH: Oct

YEAR: 2007

All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier. Information

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LANGUAGE: eng

NlmUniqueID: 7708433

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Grant and Affiliation Information for All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier.

AFFILIATION: Wuhan National Laboratory for Optoelectronics and Institute of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.

Country: United States

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MEDLINETA: Opt Lett

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