Referenced Items are not available for this document.
Mid-infrared (~10 μm) electrorefractive effects of intersubband transitions in step GaAs/GaAlAs quantum wells are experimentally analyzed. A method for studying infrared electrorefraction of a two-dimensional structure via the Stark effect is used. The anomalous dispersion is measured over the entire spectral range of the transition and is found to be consistent with the Kramers-Kronig relations in the case of a Lorentzian absorption shape. A solution of Maxwell's equations in the multiquantum well structure is detailed and leads to a good agreement with experimental data. A standard interferometer and a lock-in technique allow a quasi-direct determination of phase and amplitude modulation with very good sensitivity. A theoretical approach based on a Lorentzian model and the solution of Maxwell's equations for a multiple QW (quantum well) structure agreed well with the data
Published in:
Quantum Electronics, IEEE Journal of
(Volume:29
,
Issue:
8
)
Date of Publication: Aug 1993
- Page(s):
- 2313 - 2318
- ISSN :
- 0018-9197
- INSPEC Accession Number:
- 4632801
- Digital Object Identifier :
- 10.1109/3.245560
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Aug 1993
- Sponsored by :
- IEEE Photonics Society
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