Characterization of Acoustic Phonons in InGaAsP MQW by Asynchronous Optical Sampling

K. Hitachi, M. Someya,A. Ishizawa,T. Nishikawa,H. Gotoh

conference on lasers and electro optics（2018）

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摘要

We measured transient reflectivity in an InGaAsP multi-quantum well by asynchronous optical sampling with an Er-doped fiber laser. The oscillation in longitudinal acoustic phonons induced by resonant Raman scattering lasts more than 1 ns.

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关键词

asynchronous optical sampling,transient reflectivity,Er-doped fiber laser,longitudinal acoustic phonons,InGaAsP MQW,InGaAsP multiquantum well,resonant Raman scattering,InGaAsP

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