Observation of spectral hole sidebands in the gain region of an inverted semiconductor

Georg Mohs; Rolf H. Binder; Brian Fluegel; Harald W. Giessen; Nasser Peyghambarian

doi:10.1117/12.238962

1 May 1996 Observation of spectral hole sidebands in the gain region of an inverted semiconductor

Georg Mohs, Rolf H. Binder, Brian Fluegel, Harald W. Giessen, Nasser Peyghambarian

Proceedings Volume 2693, Physics and Simulation of Optoelectronic Devices IV; (1996) https://doi.org/10.1117/12.238962
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

We have performed ultrafast three-pulse experiments in order to investigate the relaxation of charge carriers from a non-equilibrium distribution in inverted GaAs multiple quantum wells. The first pulse, used to create optical gain, was followed by a conventional pump-probe study. The pump-induced spectral hole inside the optical gain was accompanied by sidebands which occurred about 39 meV above the original spectral hole. These sidebands can be explained in terms of LO-phonon scattering of the charge carriers into the vacancies of the spectral hole.

Citation Download Citation

Georg Mohs, Rolf H. Binder, Brian Fluegel, Harald W. Giessen, and Nasser Peyghambarian "Observation of spectral hole sidebands in the gain region of an inverted semiconductor", Proc. SPIE 2693, Physics and Simulation of Optoelectronic Devices IV, (1 May 1996); https://doi.org/10.1117/12.238962

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