Phase-sensitive optomechanical amplifier for quantum noise reduction in laser interferometers

被引：7

作者：

Bai, Yuntao ^{[1
]}

Venugopalan, Gautam ^{[2
]}

Kuns, Kevin ^{[2
,3
]}

Wipf, Christopher ^{[2
]}

Markowitz, Aaron ^{[2
]}

Wade, Andrew R. ^{[2
]}

Chen, Yanbei ^{[1
]}

Adhikari, Rana X. ^{[2
]}

机构：

[1] CALTECH, Walter Burke Inst Theoret Phys, Pasadena, CA 91125 USA

[2] CALTECH, LIGO Lab, Pasadena, CA 91125 USA

[3] MIT, LIGO Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW A | 2020年 / 102卷 / 02期

基金：

美国国家科学基金会;

关键词：

FORMALISM; OPTICS;

D O I：

10.1103/PhysRevA.102.023507

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The sensitivity of future gravitational wave interferometers is expected to be limited throughout the detection band by quantum vacuum fluctuations, which can be reduced by applying quantum optics techniques such as squeezed vacuum injection. However, decoherence caused by optical losses in the readout chain will severely limit the effectiveness of such schemes. It was proposed that effect of losses in the final stage of detection can be mitigated by a phase-sensitive amplifier placed in between the output port of the interferometer and the photodetector. In this paper we propose to implement such amplification using an optomechanical device, study some of its practical limitations, and discuss its applicability to next-generation gravitational-wave detectors.

引用

页数：12

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