High-performance LWIR superlattice detectors and FPA based on CBIRD design

被引：1

作者：

Soibel, Alexander ^{[1
]}

Jean Nguyen ^{[1
]}

Khoshakhlagh, Arezou ^{[1
]}

Rafol, Sir B. ^{[1
]}

Hoeglund, Linda ^{[1
]}

Keo, Sam A. ^{[1
]}

Mumolo, Jason M. ^{[1
]}

Liu, John ^{[1
]}

Liao, Anna ^{[1
]}

Ting, David Z. -Y. ^{[1
]}

Gunapala, Sarath D. ^{[1
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

INFRARED TECHNOLOGY AND APPLICATIONS XXXVIII, PTS 1 AND 2 | 2012年 / 8353卷

关键词：

unipolar barrier; heterostructure; infrared; photodetector; superlattice;

D O I：

10.1117/12.919487

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report our recent efforts on advancing of antimonide superlattice based infrared photodetectors and demonstration of Focal Plane Arrays (FPA) based on a complementary barrier infrared detector (CBIRD) design. By optimizing design and growth condition we succeeded to reduce the operational bias of CBIRD single pixel detector without increase of dark current or degradation of quantum efficiency. We demonstrated a 1024x1024 pixel long-wavelength infrared focal plane array utilizing CBIRD design. An 11.5 mu m cutoff FPA without anti-reflection coating has yielded noise equivalent differential temperature of 53 mK at operating temperature of 80 K, with 300 K background and cold-stop. In addition, we demonstrated 320x256 format FPA based on the n-CBIRD design. The resulting FPAs yielded noise equivalent differential temperature of 26 mK at operating temperature of 80 K, with 300 K background and cold-stop. These results advance state-of-the art of superlattice detectors and demonstrated advantages of CBIRD architecture for realization of FPA.

引用

页数：7

共 15 条

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