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Variations of refractive index and gain with carrier density in semiconductor injection lasers

A linear dependence of refractive index and gain coefficient on carrier density has been widely used by many authors in the investigation of the dynamic behaviour of semiconductor injection lasers. In this paper, the results of various authors on the variations of gain coefficient and refractive in...

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Main Authors: Poh, B. S., Poh, L. K.
Format: Article
Language:English
Published: Institution of Engineers, Malaysia 1983
Online Access:http://psasir.upm.edu.my/id/eprint/38784/1/19.%2038784.pdf
http://psasir.upm.edu.my/id/eprint/38784/
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spelling my.upm.eprints.387842015-06-17T01:48:20Z http://psasir.upm.edu.my/id/eprint/38784/ Variations of refractive index and gain with carrier density in semiconductor injection lasers Poh, B. S. Poh, L. K. A linear dependence of refractive index and gain coefficient on carrier density has been widely used by many authors in the investigation of the dynamic behaviour of semiconductor injection lasers. In this paper, the results of various authors on the variations of gain coefficient and refractive index with carrier density are assessed. It is found that the refractive index varies linearly with carrier density while the gain coefficient varies in a logarithmic manner with carrier density. The ratio, J..L, of the change in the real part of the effective refractive index to the change in the imaginary part is, therefore, proportional to N. It is suggested that such a J..L dependence on carrier density together with a logarithmic gain relationship should be used in the investigation of the dynamic behaviour of lasers Institution of Engineers, Malaysia 1983-06 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/38784/1/19.%2038784.pdf Poh, B. S. and Poh, L. K. (1983) Variations of refractive index and gain with carrier density in semiconductor injection lasers. Journal of the Institution of Engineers, Malaysia, 33. pp. 5-12. ISSN 0126-513X
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A linear dependence of refractive index and gain coefficient on carrier density has been widely used by many authors in the investigation of the dynamic behaviour of semiconductor injection lasers. In this paper, the results of various authors on the variations of gain coefficient and refractive index with carrier density are assessed. It is found that the refractive index varies linearly with carrier density while the gain coefficient varies in a logarithmic manner with carrier density. The ratio, J..L, of the change in the real part of the effective refractive index to the change in the imaginary part is, therefore, proportional to N. It is suggested that such a J..L dependence on carrier density together with a logarithmic gain relationship should be used in the investigation of the dynamic behaviour of lasers
format Article
author Poh, B. S.
Poh, L. K.
spellingShingle Poh, B. S.
Poh, L. K.
Variations of refractive index and gain with carrier density in semiconductor injection lasers
author_facet Poh, B. S.
Poh, L. K.
author_sort Poh, B. S.
title Variations of refractive index and gain with carrier density in semiconductor injection lasers
title_short Variations of refractive index and gain with carrier density in semiconductor injection lasers
title_full Variations of refractive index and gain with carrier density in semiconductor injection lasers
title_fullStr Variations of refractive index and gain with carrier density in semiconductor injection lasers
title_full_unstemmed Variations of refractive index and gain with carrier density in semiconductor injection lasers
title_sort variations of refractive index and gain with carrier density in semiconductor injection lasers
publisher Institution of Engineers, Malaysia
publishDate 1983
url http://psasir.upm.edu.my/id/eprint/38784/1/19.%2038784.pdf
http://psasir.upm.edu.my/id/eprint/38784/
_version_ 1643832236133318656
score 13.211869

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