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Proceedings Paper

Spectral characteristics of optical pulse amplification with transparent assist light in SOA
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Paper Abstract

This paper analysis the spectral characteristics of optical pulse amplifications in semiconductor optical amplifiers under transparent assist light injection, comparison with the gain region light injection is also been given. It is shown that gain region light can decrease the spectral broadening and shifting, while transparent light can’t improve the spectral distortion though it can accelerate the carrier recovery. The effect of the assist light’s power, shape and initial frequency chirp of the input pulses on the shape and the spectrum of the amplified pulse are discussed in detail. The relationship of the maximum spectral shifting with the amplifier’s length, bias current is also been given, particular attention is paid to the difference in co- and counter-propagating assist light injection.

Paper Details

Date Published: 31 January 2005
PDF: 12 pages
Proc. SPIE 5624, Semiconductor and Organic Optoelectronic Materials and Devices, (31 January 2005); doi: 10.1117/12.569929
Show Author Affiliations
Hui Wang, Beijing Univ. of Posts and Telecommunications (China)
Jian Wu, Beijing Univ. of Posts and Telecommunications (China)
Jintong Lin, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 5624:
Semiconductor and Organic Optoelectronic Materials and Devices
Chung-En Zah; Yi Luo; Shinji Tsuji, Editor(s)

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