Multi-Pass Classical vs. Quantum Strategies in Lossy Phase Estimation

被引：14
作者：
Demkowicz-Dobrzanski, R. [1 ,2 ]
机构：
[1] Nicolaus Copernicus Univ, Inst Phys, PL-87100 Torun, Poland
[2] Univ Warsaw, Fac Phys, PL-00681 Warsaw, Poland
来源：
LASER PHYSICS | 2010年 / 20卷 / 05期
关键词：
ENTANGLEMENT; NOISE;
D O I：
10.1134/S1054660X10090306
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The use of classical multiple-pass approach for phase estimation which mimics the behavior of the N00N states, is compared with quantum techniques. It is shown that in the presence of losses its performance is significantly worse than the one of the optimal quantum strategy.
引用
收藏
页码：1197 / 1202
页数：6
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