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Proceedings Paper

Ultrafast nonlinear dynamics in semiconductor optical amplifiers for optical signal processing
Author(s): Yong Liu; Ligong Chen; Xiu Zheng; Shangjian Zhang; Rongguo Lu
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Paper Abstract

We present the investigation results on the nonlinear phase and chirp dynamics in semiconductor optical amplifiers (SOAs). Time-resolved gain and phase dynamics of a quantum well SOA are measured using 2 ps pump pulses into an integrated Mach-Zehnder interferometer switch under a co-propagation arrangement. Ultrafast component in the phase recovery is clearly observed. We explain the ultrafast phase dynamic by using a field propagation numerical model that includes the impact of sub-picosecond intra-band effects of the SOA. In addition, we investigate the chirp properties of the SOA in all-optical switches, and analyze the influences of chirp dynamics upon the detuned-filtering-based optical switches that extract the ultrafast chirp component to realize more than 160 Gbit/s optical switching. The results are very useful for SOA-based ultrafast optical signal processing in photonic networks.

Paper Details

Date Published: 29 November 2012
PDF: 5 pages
Proc. SPIE 8552, Semiconductor Lasers and Applications V, 855203 (29 November 2012); doi: 10.1117/12.2008716
Show Author Affiliations
Yong Liu, Univ. of Electronic Science and Technology of China (China)
Ligong Chen, Univ. of Electronic Science and Technology of China (China)
Xiu Zheng, Univ. of Electronic Science and Technology of China (China)
Shangjian Zhang, Univ. of Electronic Science and Technology of China (China)
Rongguo Lu, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 8552:
Semiconductor Lasers and Applications V
Ning Hua Zhu; Jinmin Li; Frank H. Peters; Changyuan Yu, Editor(s)

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