All-fiber three-path Mach-Zehnder interferometer

被引:82
作者
Weihs, G
Reck, M
Weinfurter, H
Zeilinger, A
机构
[1] Institut für Experimentalphysik, Universität Innsbruck, A-6020 Innsbruck
关键词
D O I
10.1364/OL.21.000302
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report the realization of a three-path Mach-Zehnde-r interferometer using single-mode fibers and two integrated 3 x 3 fiber couplers. We observed enhanced phase sensitivity, as compared with two-path interferometers, with a visibility of the interference pattern of more than 97%. This interferometer has an analog in two-photon interferometry, and we believe it to be the first nontrivial example of N x N multiport interferometers. (C) 1996 Optical Society of America
引用
收藏
页码:302 / 304
页数:3
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