Gain and phase recovery of optically excited semiconductor optical amplifiers

descriptionPublicationkeyboard_double_arrow_right Article 01 May 2006Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Photonics Technology Letters, volume 18, pages 1,061-1,063 (issn: 1041-1135,

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Authors: R. Giller; R.J. Manning; D. Cotter;

doi: 10.1109/lpt.2006.873474

Gain and phase recovery of optically excited semiconductor optical amplifiers

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Abstract

An investigation of the recovery dynamics of semiconductor optical amplifiers (SOAs) explains why the ultrafast component of the gain recovery is largely absent in the phase response. The time-resolved gain and phase dynamics of a bulk GaInAs SOA are measured using a pump-probe technique and differences between the gain and phase recoveries are highlighted and explained using Kramers-Kronig analysis. These have important implications for optical signal processing.

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University College Cork
Ireland
Tyndall National Institute (TNI)
Ireland

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