Development of a high-quantum-efficiency single-photon counting system

被引：205

作者：

Takeuchi, S ^{[1
]}

Kim, J

Yamamoto, Y

Hogue, HH

机构：

[1] ATRC Mitsubishi Elect Corp, JST PRESTO Field & React, Amagasaki, Hyogo 6618661, Japan

[2] Stanford Univ, EL Ginzton Lab, ERATO Quantum Fluctuat Project, Stanford, CA 94305 USA

[3] Boeing N Amer, Res & Technol Ctr, Anaheim, CA 92803 USA

来源：

APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 08期

关键词：

D O I：

10.1063/1.123482

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A high-quantum-efficiency single-photon counting system has been developed. In this system, single photons were detected by a visible light photon counter operated at 6.9 K. The visible light photon counter is a solid state device that makes use of avalanches across a shallow impurity conduction band in silicon. Threefold tight shielding and viewports that worked as infrared blocking filters were used to eliminate the dark count caused by room-temperature radiation. Corrected quantum efficiencies as high as 88.2%+/-5% (at 694 nm) were observed, which we believe is the highest reported value for a single-photon detector. The dark count increased as the exponential of the quantum efficiency with changing temperature or bias voltage, and was 2.0 x 10(4) cps at the highest quantum efficiency. (C) 1999 American Institute of Physics. [S0003-6951(99)01308-X].

引用

页码：1063 / 1065

页数：3

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