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Semiconductor Quantum Well Lasers with a Temperature Insensitive Threshold Current

Adams, AR, Marko, IP, Mukherjee, J, Sweeney, SJ, Gocalinska, A, Pelucchi, E and Corbett, B (2014) Semiconductor Quantum Well Lasers with a Temperature Insensitive Threshold Current In: 24th IEEE International Semiconductor Laser Conference (ISLC), 2014-09-07 - 2014-09-10, Palma de Mallorca, SPAIN.

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Abstract

Quantum well lasers have been extremely successful in a wide range of applications, with optical fibre communications being of particular importance. However, in spite of their success, their performance is not ideal, for example, the threshold current of semiconductor lasers is often very sensitive to temperature. This has led to the need for thermoelectric coolers and associated control electronics to stabilize the laser temperature, however, such coolers often consume more energy than the laser they are controlling and also add to the overall heat dissipation of the system. Such coolers also tend to have far less long-term reliability than the laser diode itself. There are consequently many circumstances where it would be advantageous and far cheaper to simply compensate for temperature variations by mechanisms built into the epitaxial structure of the laser chip itself. This paper focuses on a new design and demonstration of a MQW laser structure which can overcome the intrinsic temperature sensitivity of the laser.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Adams, ARUNSPECIFIEDUNSPECIFIED
Marko, IPUNSPECIFIEDUNSPECIFIED
Mukherjee, JUNSPECIFIEDUNSPECIFIED
Sweeney, SJUNSPECIFIEDUNSPECIFIED
Gocalinska, AUNSPECIFIEDUNSPECIFIED
Pelucchi, EUNSPECIFIEDUNSPECIFIED
Corbett, BUNSPECIFIEDUNSPECIFIED
Date : 1 January 2014
Identification Number : 10.1109/ISLC.2014.15
Copyright Disclaimer : © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works
Contributors :
ContributionNameEmailORCID
UNSPECIFIEDIEEE COMPUTER SOC, UNSPECIFIEDUNSPECIFIED
Uncontrolled Keywords : Science & Technology, Technology, Physical Sciences, Engineering, Electrical & Electronic, Physics, Applied, Engineering, Physics
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 07 Jul 2016 09:44
Last Modified : 07 Jul 2016 09:44
URI: http://epubs.surrey.ac.uk/id/eprint/811048

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