Effects of laser phase fluctuation on force sensing for a free particle in a dissipative optomechanical system

被引：18
|
作者：
Mehmood, Asad [1 ]
Qamar, Sajid [2 ]
Qamar, Shahid [1 ,3 ]
机构：
[1] Pakistan Inst Engn & Appl Sci, Dept Phys & Appl Math, Islamabad 45650, Pakistan
[2] COMSATS Univ, Dept Phys, Quantum Opt Lab, Islamabad 45550, Pakistan
[3] PIEAS, Ctr Math Sci, Islamabad 45650, Pakistan
来源：
PHYSICAL REVIEW A | 2018年 / 98卷 / 05期
关键词：
NOISE;
D O I：
10.1103/PhysRevA.98.053841
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we study the effects of laser phase noise on the detection of a weak classical mechanical force on a free particle based upon dissipative optomechanical coupling. We show that for an optimum choice of various parameters, one can realize force sensing below the standard quantum limit even in the presence of laser phase noise. Moreover, we also investigate the effect of mechanical damping and thermal noise on force measurement in the presence of laser phase fluctuations. We show that force sensing strongly depends upon the phase fluctuations associated with the driving laser.
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收藏
页数：7
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