Optimized random/ordered grating for an n-type quantum well infrared photodetector

Applied Physics Letters

Volumn 75, Issue 17, 1999, Pages 2659-2661

  Borenstain, Shmuel I ^a   Arad, U ^a   Lyubina, I ^a   Segal, A ^a   Warschawer, Y ^a  

^a JERUSALEM COLLEGE OF TECHNOLOGY   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0041577252     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.125110     Document Type: Article

References (13)

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6. 2 φ/cos φ. However, to obtain high quantum efficiency it is desirable to direct the radiation in angles close to π/2. It is therefore necessary to use expression (5).
7. In fact, in any type of 2D grating 50% of the radiation is scattered into nonabsorbing TE mode. However, the gold-GaAs interface forces TM modes only. These are confined regardless of the GaAs thickness. See A. Yariv and P. Yeh, Optical Waves in Crystals (Wiley, New York, 1984), p. 490.
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