Phase Shift of a Weak Coherent Beam Induced by a Single Atom

被引：57
作者：
Aljunid, Syed Abdullah [1 ]
Tey, Meng Khoon
Chng, Brenda
Liew, Timothy
Maslennikov, Gleb
Scarani, Valerio
Kurtsiefer, Christian
机构：
[1] Natl Univ Singapore, Ctr Quantum Technol, Singapore 117543, Singapore
来源：
PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 15期
基金：
新加坡国家研究基金会;
关键词：
QUANTUM-DOT; LIGHT; PHOTONS; DIPOLE;
D O I：
10.1103/PhysRevLett.103.153601
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report on a direct measurement of a phase shift on a weak coherent beam by a single Rb-87 atom in a Mach-Zehnder interferometer. By strongly focusing the probe mode to the location of the atom, a maximum phase shift of about 1 degrees is observed experimentally.
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页数：4
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