Ultrafast nonlinear dynamics in semiconductor optical amplifiers for optical signal processing

Yong Liu; Ligong Chen; Xiu Zheng; Shangjian Zhang; Rongguo Lu

doi:10.1117/12.2008716

29 November 2012 Ultrafast nonlinear dynamics in semiconductor optical amplifiers for optical signal processing

Yong Liu, Ligong Chen, Xiu Zheng, Shangjian Zhang, Rongguo Lu

Proceedings Volume 8552, Semiconductor Lasers and Applications V; 855203 (2012) https://doi.org/10.1117/12.2008716
Event: Photonics Asia, 2012, Beijing, China

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.

Citation Download Citation

Yong Liu, Ligong Chen, Xiu Zheng, Shangjian Zhang, and Rongguo Lu "Ultrafast nonlinear dynamics in semiconductor optical amplifiers for optical signal processing", Proc. SPIE 8552, Semiconductor Lasers and Applications V, 855203 (29 November 2012); https://doi.org/10.1117/12.2008716

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