Photonic crystal slab quantum well infrared photodetector

被引：66

作者：

Kalchmair, S. ^{[1
]}

Detz, H. ^{[1
]}

Cole, G. D. ^{[2
]}

Andrews, A. M. ^{[1
]}

Klang, P. ^{[1
]}

Nobile, M. ^{[1
]}

Gansch, R. ^{[1
]}

Ostermaier, C. ^{[1
]}

Schrenk, W. ^{[1
]}

Strasser, G. ^{[1
,3
,4
]}

机构：

[1] Vienna Univ Technol, Ctr Micro & Nanostruct, A-1040 Vienna, Austria

[2] Univ Vienna, Fac Phys, A-1090 Vienna, Austria

[3] SUNY Buffalo, Dept Elect Engn, Buffalo, NY 14260 USA

[4] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 01期

关键词：

SPONTANEOUS-EMISSION; LASER;

D O I：

10.1063/1.3537954

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this letter we present a quantum well infrared photodetector (QWIP), which is fabricated as a photonic crystal slab (PCS). With the PCS it is possible to enhance the absorption efficiency by increasing photon lifetime in the detector active region. To understand the optical properties of the device we simulate the PCS photonic band structure, which differs significantly from a real two-dimensional photonic crystal. By fabricating a PCS-QWIP with 100x less quantum well doping, compared to a standard QWIP, we are able to see strong absorption enhancement and sharp resonance peaks up to temperatures of 170 K. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3537954]

引用

页数：3

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