NORMAL-INCIDENCE QUANTUM WELL INFRARED PHOTODETECTOR WITHOUT GRATING COUPLER

doi:10.1088/1004-423X/4/11/002

Abstract

Abstract The n-type GaAs/Al_xGa_1-xAs multiple quantum well infrared photodetectors have been demonstrated without any grating couplers. We have achieved a responsivity R_v of 1.7×10⁵V/W and a detectivity D_$\lambda$^* of 4.0×10¹⁰ cm (Hz)^1/2/W for a wavelength of 8.4 μm at a temperature T = 77 K in normal incidence.

Received: 04 April 1995
Accepted manuscript online:

PACS:	85.35.Be	(Quantum well devices (quantum dots, quantum wires, etc.))
	85.60.Gz	(Photodetectors (including infrared and CCD detectors))
	42.79.Dj	(Gratings)
	42.79.Gn	(Optical waveguides and couplers)
	73.20.Mf	(Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))
	78.67.De	(Quantum wells)

Cite this article:

WANG WEN-XIN (王文新), HU QIANG (胡强), HUANG QI (黄绮), ZHOU JUN-MING (周均铭), CUI DA-FU (崔大复), CHEN ZHENG-HAO (陈正豪) NORMAL-INCIDENCE QUANTUM WELL INFRARED PHOTODETECTOR WITHOUT GRATING COUPLER 1995 Acta Physica Sinica (Overseas Edition) 4 806

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NORMAL-INCIDENCE QUANTUM WELL INFRARED PHOTODETECTOR WITHOUT GRATING COUPLER

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