Effect of Loss on Intensity-Difference Squeezing and Amplitude-Quadrature Squeezing

被引：0
|
作者：
Xue Chunling [1 ]
Xu Yuena [1 ]
机构：
[1] Huanghe Sci & Technol Univ, Coll Informat Engn, Zhengzhou 450063, Henan, Peoples R China
来源：
LASER & OPTOELECTRONICS PROGRESS | 2018年 / 55卷 / 07期
关键词：
quantum optics; squeezed state of light field; four-wave mixing; intensity-difference squeezing; quadrature amplitude and phase squeezing;
D O I：
10.3788/LOP55.072702
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
For the same quantum squeezed field, the squeezing degree is different for the measurement schemes of amplitude-quadrature noise and intensity-difference noise, which is theoretically explained. When the output signal has no loss, the squeezing degrees of intensity-difference noise and amplitude-quadrature noise increase with the increase of gain, but the degree of the former is smaller than that of the latter. When the loss is considered, the squeezing degree of intensity-difference noise is larger than that of amplitude-quadrature noise, which indicates that the squeezing degree of amplitude-quadrature noise is more sensitive to loss.
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页数：8
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