Long Wavelength Infrared Superlattice Detectors and FPAs Based on CBIRD Design

被引：13
|
作者：
Soibel, A. [1 ]
Rafol, S. B. [1 ]
Khoshakhlagh, Arezou [1 ]
Nguyen, Jean [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, Ctr Infrared Sensors, Pasadena, CA 91109 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 09期
基金：
美国国家航空航天局;
关键词：
Focal plane array (FPA); infrared; long wavelength infrared; superlattice detectors;
D O I：
10.1109/LPT.2013.2254111
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：
In this letter, we demonstrate the next generation of N+-p complementary barrier infrared detectors (nCBIRD) with 9.9 mu m cutoff wavelength that have near zero bias operation and exhibit dark current density of 6 x 10(-6) A/cm(2) at 77 K. These nCBIRDs have been recently utilized in the 320 x 256 focal plane array that exhibited a noise equivalent differential temperature of 18.6 mK at an operating temperature of 77 K, with a 300 K background and f/2 cold-stop. We compare single pixel photodiode characteristics with the performance of FPAs that were fabricated together on the same wafer. This letter identifies the physical processes affecting the performance of long wave infrared photodetectors based on CBIRD design.
引用
收藏
页码：875 / 878
页数：4
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