Simulation of one-dimensional quasi-random gratings for quantum well infrared photodetectors

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DOIResolve DOI: http://doi.org/10.1063/1.362859
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TypeArticle
Journal titleJournal of Applied Physics
Volume80
Issue2
Pages12141218; # of pages: 5
SubjectABSORPTION; ALUMINIUM ARSENIDES; ARRAYS; COMPUTERIZED SIMULATION; GALLIUM ARSENIDES; GRATINGS; INFRARED RADIATION; PHOTODETECTORS; QUANTUM WELLS
AbstractWe perform a simulation of one-dimensional quasi-random gratings for quantum well infrared photodetectors. The simulation reveals the trade-off between the grating induced intersubband absorption efficiency and the resulting spectral response range for normal incident radiation. By controlling the degree of grating quasi-randomness, one can optimize the absorption for the desired spectral response range. The general features in the simulation results can be used as guidelines in designing two-dimensional quasi-random gratings for the fabrication of focal plane imaging arrays.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12333565
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Record identifier64d77c3e-f0db-49cc-9e35-9fcd6fcc4d7e
Record created2009-09-10
Record modified2016-05-09
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