ABSOLUTE EFFICIENCY AND TIME-RESPONSE MEASUREMENT OF SINGLE-PHOTON DETECTORS

被引：78

作者：

KWIAT, PG

STEINBERG, AM

CHIAO, RY

EBERHARD, PH

PETROFF, MD

机构：

[1] ROCKWELL INT CORP, CTR SCI, ANAHEIM, CA 92803 USA

[2] UNIV CALIF BERKELEY, BERKELEY, CA 94720 USA

来源：

APPLIED OPTICS | 1994年 / 33卷 / 10期

关键词：

QUANTUM EFFICIENCY; PHOTON COUNTING; AVALANCHE PHOTODIODE;

D O I：

10.1364/AO.33.001844

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using correlated photons from spontaneous parametric downconversion, we have measured both the absolute quantum efficiencies and the time responses of four single-photon detectors. Efficiencies as high as (76.4 +/- 2.3)% (at 702 nm) were seen, which to our knowledge are the highest reported single-photon detection efficiencies. An auxiliary retroreflection mirror was found to increase the net detection efficiency by as much as a factor of 1.19. The narrowest time profile for coincidences between two detectors displays a peak with 300 ps FWHM. We also investigated the presence of afterpulses and the effects of saturation and varying device parameters.

引用

页码：1844 / 1853

页数：10

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