Optimal quantum measurements for phase estimation in interferometry

被引：0
|
作者：
Sanders, BC
Milburn, GJ
Zhang, ZX
机构：
来源：
QUANTUM COMMUNICATION, COMPUTING, AND MEASUREMENT | 1997年
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D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Optimal quantum measurements in optical interferometry yield a 1/n scaling of phase uncertainty Delta phi, where n is the number of photons in the interferometer, for both passive (linear) and active (nonlinear) interferometers. The phase uncertainty is independent of applied phase shift for the optimal measurement scheme, and we identify the coefficient of proportionality in each case.
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页码：309 / 315
页数：7
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