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Quantum-Enhanced Advanced LIGO Detectors in the Era of Gravitational-Wave Astronomy

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.

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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).

Item Type:Article
Related URLs:
URLURL TypeDescription InPhysics : Focus
Tse, M.0000-0003-1510-4921
Adhikari, R. X.0000-0002-5731-5076
Arai, K.0000-0001-8916-8915
Billingsley, G.0000-0002-4141-2744
Biscans, S0000-0002-9635-7527
Brooks, A. F.0000-0003-4295-792X
Coyne, D. C.0000-0002-6427-3222
Gupta, Anchal0000-0002-1762-9644
McIver, J.0000-0003-0316-1355
Richardson, J. W.0000-0002-1472-4806
Sun, L.0000-0001-7959-892X
Vajente, G.0000-0002-7656-6882
Xiao, L.0000-0003-2703-449X
Zhang, L.0000-0002-0898-787X
Zucker, M. E.0000-0002-2544-1596
Zweizig, J.0000-0002-1521-3397
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.
Funding AgencyGrant Number
Australian Research CouncilCE170100004
Australian Research CouncilLE170100217
NSF Graduate Research FellowshipDGE-1122374
Science and Technology Facilities Council (STFC)UNSPECIFIED
LIGO Scientific CollaborationUNSPECIFIED
Issue or Number:23
Record Number:CaltechAUTHORS:20191205-112737437
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100212
Deposited By: Tony Diaz
Deposited On:05 Dec 2019 19:44
Last Modified:16 Nov 2021 17:52

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