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Proceedings Paper

Linear-mode single photon counting APD arrays with subnanosecond, afterpulse-free performance for ladar, spectroscopy, and QKD applications
Author(s): Leye Aina; Ayub Fathimulla; Harry Hier; Mark Lecates; Robert Dwarkin; David Johnson; Sachi Babu; Jim Foshee
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Paper Abstract

Epitaxial Technologies has developed a single photon counting photoreceiver that can operate in the linear mode to avoid the drawbacks of Geiger mode detectors. The Company's linear single photon counting photoreceiver array technology is based on cascading optical amplifiers on-chip with APDs to enable single photon capability below the APD breakdown voltage through ultra-low noise gain and preamplification. We have already demonstrated components for this photoreceiver that when implemented will have single photon sensitivities for subnanosecond pulses with high photon counting efficiency and without afterpulsing at 1064 and 1550-nm.

Paper Details

Date Published: 7 May 2007
PDF: 11 pages
Proc. SPIE 6572, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III, 65720H (7 May 2007); doi: 10.1117/12.721135
Show Author Affiliations
Leye Aina, Epitaxial Technology, LLC (United States)
Ayub Fathimulla, Epitaxial Technology, LLC (United States)
Harry Hier, Epitaxial Technology, LLC (United States)
Mark Lecates, Epitaxial Technology, LLC (United States)
Robert Dwarkin, Epitaxial Technology, LLC (United States)
David Johnson, Epitaxial Technology, LLC (United States)
Sachi Babu, NASA Goddard Space Flight Ctr. (United States)
Jim Foshee, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 6572:
Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III
Michael J. Hayduk; Andrew R. Pirich; Peter J. Delfyett; Eric J. Donkor; John P. Barrios; Rebecca J. Bussjager; Michael L. Fanto; Robert L. Kaminski; Guifang Li; Hooman Mohseni; Edward W. Taylor, Editor(s)

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