MEASUREMENT OF CONDITIONAL PHASE-SHIFTS FOR QUANTUM LOGIC

被引:1239
作者
TURCHETTE, QA
HOOD, CJ
LANGE, W
MABUCHI, H
KIMBLE, HJ
机构
[1] Norman Bridge Laboratory of Physics 12-33, California Institute of Technology, Pasadena
关键词
D O I
10.1103/PhysRevLett.75.4710
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Measurements of the birefringence of a single atom strongly coupled to a high-finesse optical resonator are reported, with nonlinear phase shifts observed for an intracavity photon number much less than one. A proposal to utilize the measured conditional phase shifts for implementing quantum logic via a quantum-phase gate (QPG) is considered. Within the context of a simple model for the field transformation, the parameters of the ''truth table'' for the QPG are determined.
引用
收藏
页码:4710 / 4713
页数:4
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