Linear-mode single photon counting APD arrays with subnanosecond, afterpulse-free performance for ladar, spectroscopy, and QKD applications

Leye Aina; Ayub Fathimulla; Harry Hier; Mark Lecates; Robert Dwarkin; David Johnson; Sachi Babu; Jim Foshee

doi:10.1117/12.721135

7 May 2007 Linear-mode single photon counting APD arrays with subnanosecond, afterpulse-free performance for ladar, spectroscopy, and QKD applications

Leye Aina, Ayub Fathimulla, Harry Hier, Mark Lecates, Robert Dwarkin, David Johnson, Sachi Babu, Jim Foshee

Author Affiliations +

Proceedings Volume 6572, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III; 65720H (2007) https://doi.org/10.1117/12.721135
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

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.

Citation Download Citation

Leye Aina, Ayub Fathimulla, Harry Hier, Mark Lecates, Robert Dwarkin, David Johnson, Sachi Babu, and Jim Foshee "Linear-mode single photon counting APD arrays with subnanosecond, afterpulse-free performance for ladar, spectroscopy, and QKD applications", Proc. SPIE 6572, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III, 65720H (7 May 2007); https://doi.org/10.1117/12.721135

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