Two-photon quantum interference in the 1.5 μm telecommunication band

被引：6
|
作者：
Cho, Seok-Beom [1 ]
Noh, Tae-Gon [1 ]
机构：
[1] Elect & Telecommun Res Inst, IT Convergence Technol Res Div, Taejon 305350, South Korea
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 12期
关键词：
D O I：
10.1364/OE.15.007591
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on two-photon quantum interference experiments in the standard telecommunication band. Two identical photons in the 1.5 mu m wavelength band were generated in spatially separated modes by a type-I spontaneous parametric down-conversion process, and injected into a fiber-optic Hong-Ou-Mandel interferometer. Two-photon interference patterns of dip and spatial beating in the coincidence counting rate were observed by varying the difference in optical path lengths. The visibilities obtained in the net coincidences were close to the theoretical value of 100%. The raw visibilities were also well above the classical limit. (c) 2007 Optical Society of America.
引用
收藏
页码：7591 / 7595
页数：5
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