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  Frequency-Dependent Squeezed Vacuum Source for Broadband Quantum Noise Reduction in Advanced Gravitational-Wave Detectors

Zhao, Y., Aritomi, N., Capocasa, E., Leonardi, M., Eisenmann, M., Guo, Y., et al. (2020). Frequency-Dependent Squeezed Vacuum Source for Broadband Quantum Noise Reduction in Advanced Gravitational-Wave Detectors. Physical Review Letters, 124: 171101. doi:10.1103/PhysRevLett.124.171101.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-6321-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-6322-4
Genre: Journal Article

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 Creators:
Zhao, Yuhang, Author
Aritomi, Naoki, Author
Capocasa, Eleonora, Author
Leonardi, Matteo, Author
Eisenmann, Marc, Author
Guo, Yuefan, Author
Polini, Eleonora, Author
Tomura, Akihiro, Author
Arai, Koji, Author
Aso, Yoichi, Author
Huang, Yao-Chin, Author
Lee, Ray-Kuang, Author
Lück, Harald1, Author              
Miyakawa, Osamu, Author
Prat, Pierre, Author
Shoda, Ayaka, Author
Tacca, Matteo, Author
Takahashi, Ryutaro, Author
Vahlbruch, Henning1, Author              
Vardaro, Marco, Author
Wu, Chien-Ming, AuthorBarsuglia, Matteo, AuthorFlaminio, Raffaele, Author more..
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM, Physics, Instrumentation and Detectors, physics.ins-det
 Abstract: The astrophysical reach of current and future ground-based gravitational-wave detectors is mostly limited by quantum noise, induced by vacuum fluctuations entering the detector output port. The replacement of this ordinary vacuum field with a squeezed vacuum field has proven to be an effective strategy to mitigate such quantum noise and it is currently used in advanced detectors. However, current squeezing cannot improve the noise across the whole spectrum because of the Heisenberg uncertainty principle: when shot noise at high frequencies is reduced, radiation pressure at low frequencies is increased. A broadband quantum noise reduction is possible by using a more complex squeezing source, obtained by reflecting the squeezed vacuum off a Fabry-Perot cavity, known as filter cavity. Here we report the first demonstration of a frequency-dependent squeezed vacuum source able to reduce quantum noise of advanced gravitational-wave detectors in their whole observation bandwidth. The experiment uses a suspended 300-m-long filter cavity, similar to the one planned for KAGRA, Advanced Virgo and Advanced LIGO, and capable of inducing a rotation of the squeezing ellipse below 100 Hz.

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 Dates: 2020-03-242020-04-282020
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 2003.10672
DOI: 10.1103/PhysRevLett.124.171101
URI: http://arxiv.org/abs/2003.10672
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 124 Sequence Number: 171101 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1