Bai, Yuntao and Venugopalan, Gautam and Kuns, Kevin and Wipf, Christopher and Markowitz, Aaron and Wade, Andrew R. and Chen, Yanbei and Adhikari, Rana X. (2020) Phase-sensitive optomechanical amplifier for quantum noise reduction in laser interferometers. Physical Review A, 102 (2). Art. No. 023507. ISSN 2469-9926. doi:10.1103/PhysRevA.102.023507. https://resolver.caltech.edu/CaltechAUTHORS:20200312-135241809
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Abstract
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.
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| Additional Information: | © 2020 American Physical Society. Received 16 September 2019; accepted 16 July 2020; published 5 August 2020. We would like to acknowledge conversation with the Quantum Noise and Advanced Interferometer working groups of the LIGO Science Collaboration. R.X.A. thanks Carl Caves for several stimulating conversations about evading quantum mechanics. Plots were produced with matplotlib [39]. Y.B. is supported by the Sherman Fairchild Fellowship of the Walter Burke Institute for Theoretical Physics and by the U.S. Department of Energy, Office of Science, Office of High Energy Physics, under Award No. DE-SC0011632. Y.C. is supported by NSF Grants PHY-1612816, PHY-1708212, and PHY-1708213, and the Simons Foundation (Award No. 568762). R.X.A., G.V., C.W., A.M., and A.R.W. were supported by PHY-0757058. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the National Science Foundation, and operates under cooperative agreement PHY-0757058. K.K. and R.X.A. were supported by Boeing (Award No. CT-BA-GTA-1). | ||||||||||||||||||||
| Group: | Astronomy Department, LIGO, Walter Burke Institute for Theoretical Physics | ||||||||||||||||||||
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| Issue or Number: | 2 | ||||||||||||||||||||
| DOI: | 10.1103/PhysRevA.102.023507 | ||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20200312-135241809 | ||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20200312-135241809 | ||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||
| ID Code: | 101896 | ||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||
| Deposited On: | 12 Mar 2020 21:05 | ||||||||||||||||||||
| Last Modified: | 16 Nov 2021 18:06 |
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