Effect of field and medium asymmetries on enhancement of signal-to-noise ratio

被引：0
|
作者：
Pratima Sen
Harneet K. Gahir
机构：
[1] Shri G S Institute of Technology and Science,Department of Applied Physics
[2] Defence Institute of Advanced Technology (DU),Department of Applied Physics, Ministry of Defence, Defence Research and Development Organisation
来源：
Optical and Quantum Electronics | 2007年 / 39卷
关键词：
Symmetry; Asymmetry; Signal-to-noise ratio; Squeezing; Homodyne detection; Local oscillator; 270.6570; 270.0270;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of field and medium asymmetry on improvement of signal-to-noise ratio (SNR) in respect of homodyne detection technique is analysed theoretically. The analysis is applied to the sample of bulk GaAs irradiated by off-resonant nanosecond pulsed laser. The dependence of SNR on electric field amplitude and local oscillator (LO) phase is examined. It is found that SNR is maximum for the combination of asymmetric field and asymmetric medium.
引用
收藏
页码：753 / 759
页数：6
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