Mid-infrared whispering gallery mode ring lasers and LEDs. .

Wright, D. A. and Sherstnev, V. V. and Krier, A. and Monakhov, A. M. and Hill, G. (2003) Mid-infrared whispering gallery mode ring lasers and LEDs. . IEE Proceedings - Optoelectronics, 150 (4). pp. 314-317. ISSN 1350-2433

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Mid-infrared ring laser diodes based on InAs grown by LPE are described. The source is based on a symmetrical double heterostructure with large band offsets that operates in a whispering gallery mode. For low drive cur-rents, the device exhibited superluminescence and very strong spectral tuning. At higher current, coherent emission has been observed from 380 mum diameter devices, at 3.017 mum at a temperature of 80 K. The temperature dependence of the electroluminescence emission spectra and the light-current characteristics were also measured. The lasers have a maximum operating temperature of 125 K with a peak output power of 5 mW.

Item Type: Journal Article
Journal or Publication Title: IEE Proceedings - Optoelectronics
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Departments: Faculty of Science and Technology > Physics
ID Code: 4424
Deposited By: Dr Susan E. Krier
Deposited On: 17 Mar 2008 15:49
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 07:11
URI: https://eprints.lancs.ac.uk/id/eprint/4424

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