Holding beam injection for improving self-induced polarization rotation in a semiconductor optical amplifier

S. J. Zhang; Y. L. Zhang; S. Liu; Y. Liu

doi:10.1117/12.2008719

29 November 2012 Holding beam injection for improving self-induced polarization rotation in a semiconductor optical amplifier

S. J. Zhang, Y. L. Zhang, S. Liu, Y. Liu

Author Affiliations +

Proceedings Volume 8552, Semiconductor Lasers and Applications V; 85520B (2012) https://doi.org/10.1117/12.2008719
Event: Photonics Asia, 2012, Beijing, China

Abstract

A scheme for improving the self-induced polarization rotation (SPR) in a semiconductor optical amplifier (SOA) based on holding beam injection is proposed. Gain recovery of TE and TM modes can be largely accelerated through an appropriate holding beam injection, with which the response of SPR in the SOA for ultrafast signal can be speeded up. Holding beam injection is employed in SPR-based optical power equalization as an example of validation, in which the distortion of RZ (return-to-zero)and the overshoot of NRZ (non-return-to-zero) signal are largely suppressed, and the extension ratio are improved by 10 dB and 7 dB, respectively.

Citation Download Citation

S. J. Zhang, Y. L. Zhang, S. Liu, and Y. Liu "Holding beam injection for improving self-induced polarization rotation in a semiconductor optical amplifier", Proc. SPIE 8552, Semiconductor Lasers and Applications V, 85520B (29 November 2012); https://doi.org/10.1117/12.2008719

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