Broadband staircase quantum well infrared photodetector: working in long wavelength infrared range (LWIR)
International Conference on Superlattices, Nano-Structures and Nano-Devices, İstanbul, Turkey, 30 July - 04 August 2006, vol.4, pp.607-608, (Full Text)
- Publication Type: Conference Paper / Full Text
- Volume: 4
- Doi Number: 10.1002/pssc.200673278
- City: İstanbul
- Country: Turkey
- Page Numbers: pp.607-608
- Anadolu University Affiliated: Yes
Abstract
We present a theoretical investigation of a staircase-like quantum well infrared photodetector (QWIP). it detects wavelength between 7.6 mu m and 13.5 mu m range at an applied electric field of F = 1.9x10(4) V/cm at 77 K. The dark current density was found to be around 2x10(-7) A/cm(2) at operating bias, which is lower than the conventional QWIPs in the literature. (C) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.