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Proceedings Paper

Development of SiGe arrays for visible-near IR applications
Author(s): Ashok K. Sood; Robert A. Richwine; Yash R. Puri; Nicole DiLello; Judy L. Hoyt; Nibir Dhar; Raymond S. Balcerak; Thomas G. Bramhall
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Paper Abstract

SiGe based focal plane arrays offer a low cost alternative for developing visible- near-infrared focal plane arrays that will cover the spectral band from 0.4 to 1.6 microns. The attractive features of SiGe based foal plane arrays take advantage of silicon based technology that promises small feature size, low dark current and compatibility with the low power silicon CMOS circuits for signal processing. This paper will discuss performance characteristics for the SiGe based VIS-NIR Sensors for a variety of defense and commercial applications using small unit cell size and compare performance with InGaAs, InSb, and HgCdTe IRFPA's. We will present results on the approach and device design for reducing the dark current in SiGe detector arrays. We will discuss electrical and optical properties of SiGe arrays at room temperature and as a function of temperature. We will also discuss future integration path for SiGe devices with other Silicon-based technology for defense and Commercial Applications.

Paper Details

Date Published: 30 August 2010
PDF: 10 pages
Proc. SPIE 7780, Detectors and Imaging Devices: Infrared, Focal Plane, Single Photon, 77800F (30 August 2010); doi: 10.1117/12.866362
Show Author Affiliations
Ashok K. Sood, Magnolia Optical Technologies, Inc. (United States)
Robert A. Richwine, Magnolia Optical Technologies, Inc. (United States)
Yash R. Puri, Magnolia Optical Technologies, Inc. (United States)
Nicole DiLello, Massachusetts Institute of Technology (United States)
Judy L. Hoyt, Massachusetts Institute of Technology (United States)
Nibir Dhar, DARPA (United States)
Raymond S. Balcerak, Raymond S. Balcerak, LLC (United States)
Thomas G. Bramhall, DARPA (United States)


Published in SPIE Proceedings Vol. 7780:
Detectors and Imaging Devices: Infrared, Focal Plane, Single Photon
Eustace L. Dereniak; Randolph E. Longshore; Manijeh Razeghi; John P. Hartke; Ashok K. Sood; Paul D. LeVan, Editor(s)

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