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Proceedings Paper

Single photon counting for space based quantum experiments
Author(s): R. Chandrasekara; Z.K. Tang; Y.C. Tan; C. Cheng; C. Wildfeuer; A. Ling
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Paper Abstract

We present a software based control system for Geiger-mode avalanche photodiodes (GM-APDs) that enables constant photon detection efficiency irrespective of the diode's junction temperature. Furthermore, we demonstrate that this control system enables passively quenched GM-APDs to double the rate of photon detection events before saturation compared to the standard control method that fixes the junction temperature and applied bias voltage. We present data demonstrating the robustness of the GM-APD control system when tested in near-space conditions using a correlated photon pair source carried by a weather balloon to an altitude of 35.5 km.

Paper Details

Date Published: 13 May 2015
PDF: 6 pages
Proc. SPIE 9492, Advanced Photon Counting Techniques IX, 949209 (13 May 2015); doi: 10.1117/12.2176812
Show Author Affiliations
R. Chandrasekara, National Univ. of Singapore (Singapore)
Z.K. Tang, National Univ. of Singapore (Singapore)
Y.C. Tan, National Univ. of Singapore (Singapore)
C. Cheng, National Univ. of Singapore (Singapore)
C. Wildfeuer, Kantonsschule Sursee (Switzerland)
A. Ling, National Univ. of Singapore (Singapore)

Published in SPIE Proceedings Vol. 9492:
Advanced Photon Counting Techniques IX
Mark A. Itzler; Joe C. Campbell, Editor(s)

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