The effect of losses on the quantum-noise cancellation in the SU(1,1) interferometer

被引：36
|
作者：
Xin, Jun [1 ]
Wang, Hailong [1 ]
Jing, Jietai [1 ,2 ]
机构：
[1] East China Normal Univ, Sch Phys & Mat Sci, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
[2] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2016年 / 109卷 / 05期
基金：
中国国家自然科学基金;
关键词：
SQUEEZED STATES; REDUCTION; LIMITS;
D O I：
10.1063/1.4960585
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Quantum-noise cancellation (QNC) is an effective method to control the noise of the quantum system, which reduces or even eliminates the noise of the quantum systems by utilizing destructive interference in the quantum system. However, QNC can be extremely dependent on the losses inside the system. In this letter, we experimentally and theoretically study how the losses can affect the QNC in the SU(1,1) interferometer. We find that losses in the different arms inside the SU(1,1) interferometer can have different effects on the QNC in the output fields from the SU(1,1) interferometer. And the QNC in the SU(1,1) interferometer can almost be insensitive to the losses in some cases. Our findings may find its potential applications in the quantum noise control. Published by AIP Publishing.
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页数：4
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