Quantum correlations between light and the kilogram-mass mirrors of LIGO - Nature.com

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• LIGO, Massachusetts Institute of Technology, Cambridge, MA, USA

  Haocun Yu, L. McCuller, M. Tse, L. Barsotti, N. Mavalvala, M. Evans, A. Fernandez-Galiana, P. Fritschel, F. Matichard, C. Whittle, A. Buikema, S. Biscans, S. Gras, B. B. Lane, M. MacInnis, G. L. Mansell, K. Mason, T. J. Massinger, R. Mittleman, R. Weiss, Hang Yu & M. E. Zucker

• OzGrav, Australian National University, Canberra, Australian Capital Territory, Australia

  N. Kijbunchoo, D. E. McClelland, T. McRae, B. J. J. Slagmolen, N. A. Holland & R. L. Ward

• LIGO Livingston Observatory, Livingston, LA, USA

  J. Betzwieser, C. D. Blair, A. Effler, V. V. Frolov, A. Mullavey, C. Adams, S. M. Aston, A. Bramley, T. M. Evans, M. Fyffe, J. A. Giaime, K. D. Giardina, J. Hanson, R. K. Hasskew, M. C. Heintze, M. Laxen, M. Lormand, S. McCormick, T. J. N. Nelson, Richard J. Oram, H. Overmier, W. Parker, A. Pele, J. H. Romie, E. Schwartz, D. Sellers, M. Thomas, K. A. Thorne & G. Traylor

• LIGO Hanford Observatory, Richland, WA, USA

  S. E. Dwyer, D. Sigg, D. Barker, J. Bartlett, R. M. Blair, F. Clara, J. C. Driggers, C. Gray, J. Hanks, J. D. Jones, K. Kawabe, P. J. King, J. S. Kissel, Rahul Kumar, M. Landry, Y. K. Lecoeuche, G. L. Mansell, R. McCarthy, G. Mendell, E. L. Merilh, G. Moreno, J. Oberling, C. J. Perez, M. Pirello, H. Radkins, C. L. Romel, K. Ryan, T. Sadecki, R. L. Savage, T. Shaffer, P. Thomas, C. Vorvick, J. Warner & B. Weaver

• LIGO, California Institute of Technology, Pasadena, CA, USA

  F. Matichard, R. Abbott, R. X. Adhikari, A. Ananyeva, S. Appert, K. Arai, G. Billingsley, S. Biscans, R. Bork, A. F. Brooks, C. Cahillane, D. C. Coyne, T. Etzel, J. Feicht, Anchal Gupta, E. K. Gustafson, M. Kasprzack, J. McIver, C. Osthelder, J. W. Richardson, N. A. Robertson, J. G. Rollins, E. J. Sanchez, L. E. Sanchez, D. Schaetzl, L. Sun, C. I. Torrie, G. Vajente, G. Venugopalan, C. C. Wipf, L. Xiao, H. Yamamoto, L. Zhang, M. E. Zucker & J. Zweizig

• Caltech CaRT, Pasadena, CA, USA

  Y. Chen

• Louisiana State University, Baton Rouge, LA, USA

  T. R. Corbitt, C. Austin, J. A. Giaime, E. Goetz, T. Hardwick, S. Soni, A. L. Urban & G. Valdes

• Universität Hamburg, Hamburg, Germany

  R. Schnabel

• California State University Fullerton, Fullerton, CA, USA

  J. S. Areeda & J. R. Smith

• Columbia University, New York, NY, USA

  Y. Asali, K. R. Corley, S. T. Countryman, S. Márka & Z. Márka

• Christopher Newport University, Newport News, VA, USA

  A. M. Baer

• University of Oregon, Eugene, OR, USA

  M. Ball, A. F. Helmling-Cornell, S. Karki, K. Merfeld, P. Nguyen, J. R. Palamos & R. M. S. Schofield

• Syracuse University, Syracuse, NY, USA

  S. W. Ballmer, D. Davis, D. C. Vander-Hyde & T. Vo

• University of Minnesota, Minneapolis, MN, USA

  S. Banagiri

• Stanford University, Stanford, CA, USA

  B. K. Berger & B. Lantz

• Missouri University of Science and Technology, Rolla, MO, USA

  D. Bhattacharjee & E. Goetz

• Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Hanover, Germany

  N. Bode, P. Booker, J. Liu, F. Meylahn & B. Willke

• Leibniz Universität Hannover, Hanover, Germany

  N. Bode, P. Booker, J. Liu, F. Meylahn & B. Willke

• OzGrav, University of Adelaide, Adelaide, South Australia, Australia

  D. D. Brown, A. A. Ciobanu, D. J. Ottaway & P. J. Veitch

• RESCEU, University of Tokyo, Tokyo, Japan

  K. C. Cannon

• OzGrav, University of Western Australia, Crawley, Western Australia, Australia

  X. Chen

• University of Birmingham, Birmingham, UK

  S. J. Cooper, C. Di Fronzo, D. V. Martynov & C. M. Mow-Lowry

• Universitat de les Illes Balears, IAC3—IEEC, Palma de Mallorca, Spain

  P. B. Covas

• SUPA, University of Glasgow, Glasgow, UK

  L. E. H. Datrier, P. Dupej, R. Gray, N. A. Robertson, B. Sorazu, A. P. Spencer, K. A. Strain & K. Toland

• Cardiff University, Cardiff, UK

  K. L. Dooley, R. Macas & D. M. Macleod

• The University of Mississippi, University, MS, USA

  K. L. Dooley

• University of Florida, Gainesville, FL, USA

  P. Fulda, A. C. Green & M. J. Szczepańczyk

• The Pennsylvania State University, University Park, PA, USA

  P. Godwin

• University of Michigan, Ann Arbor, MI, USA

  R. Gustafson, J. Leviton & K. Riles

• Inter-University Centre for Astronomy and Astrophysics, Pune, India

  S. Kandhasamy & T. R. Saravanan

• University of Portsmouth, Portsmouth, UK

  A. P. Lundgren, S. Mozzon & L. K. Nuttall

• The University of Sheffield, Sheffield, UK

  T. Mistry

• Southern University and A&M College, Baton Rouge, LA, USA

  W. Parker

• OzGrav, School of Physics and Astronomy, Monash University, Clayton, Victoria, Australia

  E. Payne

• The University of Texas Rio Grande Valley, Brownsville, TX, USA

  K. E. Ramirez

• University of Washington, Seattle, WA, USA

  M. P. Ross & K. Venkateswara

• Concordia University Wisconsin, Mequon, WI, USA

  A. D. Viets

• Kenyon College, Gambier, OH, USA

  M. Wade

The measurements presented in this paper were performed with the 4-km detector at the LIGO Livingston Observatory using a novel squeezed light source. Haocun Yu performed all of the measurements. Haocun Yu and L.M. carried out the analysis of the data. M. Tse, Haocun Yu and N.K. built and commissioned the squeezed-light sources. L.B. led the squeezed-light upgrade of the LIGO detectors, involving contributions from a large number of people within the LIGO Laboratory, the Australian National University and other members of the LIGO Scientific Collaboration. N.M. led the experimental campaign to measure sub-SQL quantum noise in the Advanced LIGO detector. Haocun Yu, L.M., M. Tse, L.B. and N.M. contributed directly to the preparation of the manuscript.

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Quantum correlations between light and the kilogram-mass mirrors of LIGO - Nature.com
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