QUANTUM NONDEMOLITION MEASUREMENTS OF PHOTON NUMBER BY ATOMIC-BEAM DEFLECTION

被引:211
|
作者
HOLLAND, MJ
WALLS, DF
ZOLLER, P
机构
[1] UNIV AUCKLAND,DEPT PHYS,AUCKLAND,NEW ZEALAND
[2] UNIV COLORADO,JOINT INST LAB ASTROPHYS,BOULDER,CO 80309
[3] UNIV COLORADO,DEPT PHYS,BOULDER,CO 80309
关键词
D O I
10.1103/PhysRevLett.67.1716
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a new quantum nondemolition measurement scheme in which a measure of the photon statistics of a cavity field can be achieved by monitoring the deflection of atoms interacting with the field. Repeated measurements result in the collapse of the photon distribution in the field to a number state. Quantum jumps in the photon number are observed when the cavity field is coupled to an external reservoir.
引用
收藏
页码:1716 / 1719
页数:4
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