期刊
LIVING REVIEWS IN RELATIVITY
卷 22, 期 -, 页码 -出版社
SPRINGER INT PUBL AG
DOI: 10.1007/s41114-019-0018-y
关键词
Gravitational-wave detectors; Optomechanics; Quantum measurement theory; Quantum noise; Standard quantum limit; Fundamental quantum limit; Optical rigidity; Quantum speed meter; Squeezed light; Back-action evasion; Atomic spin ensemble; White-light cavity
资金
- Lower Saxonian Ministry of Science and Culture
- Russian Foundation for Basic Research [14-02-00399, 16-52-10069]
- LIGO NSF [PHY-1305863]
- UK STFC Ernest Rutherford Fellowship [ST/M005844/1]
- STFC [ST/M005844/1] Funding Source: UKRI
Quantum fluctuation of light limits the sensitivity of advanced laser interferometric gravitational-wave detectors. It is one of the principal obstacles on the way towards the next-generation gravitational-wave observatories. The envisioned significant improvement of the detector sensitivity requires using quantum non-demolition measurement and back-action evasion techniques, which allow us to circumvent the sensitivity limit imposed by the Heisenberg uncertainty principle. In our previous review article (Danilishin and Khalili in Living Rev Relativ 15:5, 2012), we laid down the basic principles of quantum measurement theory and provided the framework for analysing the quantum noise of interferometers. The scope of this paper is to review novel techniques for quantum noise suppression proposed in the recent years and put them in the same framework. Our delineation of interferometry schemes and topologies is intended as an aid in the process of selecting the design for the next-generation gravitational-wave observatories.
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