Living Reviews in Relativity: “Advanced quantum techniques for future gravitational-wave detectors”
The open-access journal Living Reviews in Relativity has published a new review article on 29 April 2019:
Stefan L. Danilishin, Farid Ya. Khalili, Haixing Miao,
“Advanced quantum techniques for future gravitational-wave detectors”,
Living Rev Relativ (2019) 22: 2.
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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