Enhancement in Light Emission From Hg-Cd-Te Due to Surface Patterning

Author
Tonheim, Celin Russøy
Sudbø, Aasmund Sveinung
Selvig, Espen
Haakenaasen, Randi
Date Issued
2011
Keywords
Lysforsterkere
Optikk
Laser
Permalink
http://hdl.handle.net/20.500.12242/783
https://publications.ffi.no/123456789/783
DOI
10.1109/LPT.2010.2090517
Collection
Articles
Description
Tonheim, Celin Russøy; Sudbø, Aasmund Sveinung; Selvig, Espen; Haakenaasen, Randi. Enhancement in Light Emission From Hg-Cd-Te Due to Surface Patterning. IEEE Photonics Technology Letters 2011 ;Volum 23.(1) s. 36-38
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Abstract
Enhancement of light emission from HgCdTe due to surface patterning has been studied by means of photoluminescence (PL) spectroscopy. A triangular pattern of circular holes was etched into the CdTe layer grown on top of HgCdTe thin-film and multiple quantum well samples. Two different pattern lattice constants were used, giving lattice constant aG to emission wavelength ratios of 0.9, 1.2, and 2.1. The surface pattern was found to give 26%-35% enhancement in measured PL intensity.
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