Quasiequilibrium time-domain susceptibility of semiconductor quantum wells

Javaloyes, J. and Balle, S. (2010) Quasiequilibrium time-domain susceptibility of semiconductor quantum wells. Physical Review A: Atomic, Molecular and Optical Physics, 81(6), 062505. (doi: 10.1103/PhysRevA.81.062505)

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Abstract

We analyze the time-domain optical response of quantum well (QW) media in the quasiequilibrium approximation. The resulting macroscopic polarization can be expressed as a convolution integral that permits a simple and efficient numerical implementation for its use in dynamical modeling. As a practical example, the resulting polarization is used in conjunction with a travelling-wave model (TWM) for analyzing saturable absorption as a pulse propagates in a waveguide that incorporates an unpumped QW in its core. Frequency-selective saturable absorption and pulse distortion are observed

Item Type:Articles
Keywords:Absorption DYNAMICS EFFECTIVE BLOCH EQUATIONS EMISSION FIELD GAIN implementation lasers MODE-LOCKING model optical OPTICAL-PROPERTIES REFRACTIVE-INDEX semiconductor
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Javaloyes, Dr Julien
Authors: Javaloyes, J., and Balle, S.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Physical Review A: Atomic, Molecular and Optical Physics
Publisher:American Physical Society
ISSN:1050-2947
ISSN (Online):1094-1622

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