Spectral control in multisection AlGaAs SQW superluminescent diodes at 800 nm

Semenov, A.T. and Shidlovski, V.R. and Jackson, D.A. and Willsch, R. and Ecke, W. (1996) Spectral control in multisection AlGaAs SQW superluminescent diodes at 800 nm. Electronics Letters, 32 (3). pp. 255-256. ISSN 0013-5194. (The full text of this publication is not available from this repository)

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Official URL
http:dx.doi.org/10.1049/el:19960137

Abstract

It is shown that multielectrode pumping allows a significant increase in the output power of quantum well SLDs in the broad spectrum operating regime. More than 60nm spectral width at output power ranges from 2 to 23mW was obtained by two-electrode pumping of the active region of AlGaAs SQW SLD. The possibility of controlling the form of the SQW SLD spectrum by multielectrode pumping and central wavelength switching of a 20nm FWHM (Gaussian profile) over 40nm is shown. The coherence length of the SLDs estimated using the Mandel approach is 7mm at 2mW output, increasing to 11mm at 23mW.

Item Type: Article
Uncontrolled keywords: semiconductor quantum wells; superluminescent diodes
Subjects: Q Science > Q Science (General)
Divisions: Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts
Depositing User: P. Ogbuji
Date Deposited: 27 May 2009 11:43
Last Modified: 17 Jul 2012 10:14
Resource URI: http://kar.kent.ac.uk/id/eprint/18487 (The current URI for this page, for reference purposes)
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