Quantum well infrared photodetectors with bi-periodic grating couplers

Lee, C.P.; Chang, K.H.
November 1992
Applied Physics Letters;11/16/1992, Vol. 61 Issue 20, p2437
Academic Journal
Demonstrates the multiple quantum well infrared photodetectors (QWIP) with bi-periodic grating couplers. Composition of bi-periodic grating; Comparison between response linewidths of QWIP and conventional grating coupled QWIP; Elimination of the influence of variation of material and grating quality on the performance of QWIP.


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