Tse, M. and Matichard, F. and Abbott, R. and Adhikari, R. X. and Ananyeva, A. and Appert, S. and Arai, K. and Billingsley, G. and Biscans, S and Bork, R. and Brooks, A. F. and Cahillane, C. and Coyne, D. C. and Etzel, T. and Feicht, J. and Gupta, Anchal and Gustafson, E. K. and Kasprzack, M. and McIver, J. and Osthelder, C. and Richardson, J. W. and Robertson, N. A. and Rollins, J. G. and Sanchez, E. J. and Sanchez, L. E. and Schaetzl, D. and Sun, L. and Torrie, C. I. and Vajente, G. and Venugopalan, G. and Wipf, C. C. and Xiao, L. and Yamamoto, H. and Zhang, L. and Zucker, M. E. and Zweizig, J. (2019) Quantum-Enhanced Advanced LIGO Detectors in the Era of Gravitational-Wave Astronomy. Physical Review Letters, 123 (23). Art. No. 231107. ISSN 0031-9007. doi:10.1103/PhysRevLett.123.231107. https://resolver.caltech.edu/CaltechAUTHORS:20191205-112737437
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Abstract
The Laser Interferometer Gravitational Wave Observatory (LIGO) has been directly detecting gravitational waves from compact binary mergers since 2015. We report on the first use of squeezed vacuum states in the direct measurement of gravitational waves with the Advanced LIGO H1 and L1 detectors. This achievement is the culmination of decades of research to implement squeezed states in gravitational-wave detectors. During the ongoing O3 observation run, squeezed states are improving the sensitivity of the LIGO interferometers to signals above 50 Hz by up to 3 dB, thereby increasing the expected detection rate by 40% (H1) and 50% (L1).
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| Additional Information: | © 2019 Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Received 4 October 2019; published 5 December 2019. 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 No. PHY-0757058. Advanced LIGO was built under Grant No. PHY-0823459. The authors also gratefully acknowledge the support of the Australian Research Council under the ARC Centre of Excellence for Gravitational Wave Discovery, Grant No. CE170100004 and Linkage Infrastructure, Equipment and Facilities Grant No. LE170100217; the National Science Foundation Graduate Research Fellowship under Grant No. 1122374; the Science and Technology Facilities Council of the United Kingdom, and the LIGO Scientific Collaboration Fellows program. | ||||||||||||||||||||||||||||||||||
| Group: | LIGO | ||||||||||||||||||||||||||||||||||
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| Issue or Number: | 23 | ||||||||||||||||||||||||||||||||||
| DOI: | 10.1103/PhysRevLett.123.231107 | ||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20191205-112737437 | ||||||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20191205-112737437 | ||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||
| ID Code: | 100212 | ||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||||||||||||||
| Deposited On: | 05 Dec 2019 19:44 | ||||||||||||||||||||||||||||||||||
| Last Modified: | 16 Nov 2021 17:52 |
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