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Optical Engineering

Development of a near-infrared photon-counting system using an InGaAs avalanche photodiode
Author(s): Tomoyuki Maruyama; Fumio Narusawa; Makoto Kudo; Mitsuyoshi Tanaka; Yasunori Saito; Akio Nomura
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Paper Abstract

We have successfully developed a near-infrared photoncounting system using an InGaAs avalanche photodiode. By investigating the characteristics of the InGaAs avalanche photodiode in the analog detection mode and the photon-counting mode, we have optimized its operating condition as a photon-counting detector. The multiplication factor shows a maximum at 193 K, and the detection efficiency shows a maximum at 173 K. However, the signal-to-noise ratio shows a maximum at 153 K. On the optimum operating condition, the wide dynamic range of about 50 dB (1.0x 10-16 W to 1.0x 10-11 W) and the minimum detectable power of 100 aW (1.0x 10-16 W) are achieved at 1.5 ?m. The detection efficiency depends on the incident optical power, and 15% for 1 pW is achieved at 1.5 ?m. In the near-infrared range between 0.9 and 1.55 ?m, moderate detection efficiency is obtained. Finally, we have demonstrated a 1.54-?m eye-safe photon-counting lidar using a Raman shifted Nd:YAG laser and the photon-counting system. Some light signals backscattered from clouds and the atmosphere are obtained. The experimental results show that the photon-counting system is very practical and attractive.

Paper Details

Date Published: 1 February 2002
PDF: 8 pages
Opt. Eng. 41(2) doi: 10.1117/1.1431556
Published in: Optical Engineering Volume 41, Issue 2
Show Author Affiliations
Tomoyuki Maruyama, Hioki E.E. Corp. (Japan)
Fumio Narusawa, Hioki E.E. Corp. (Japan)
Makoto Kudo, Hioki E.E. Corp. (Japan)
Mitsuyoshi Tanaka, Hioki E.E. Corp. (Japan)
Yasunori Saito, Shinshu Univ. (Japan)
Akio Nomura, Shinshu Univ. (Japan)

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