Broadband quantum enhancement of the LIGO detectors with frequency-dependent squeezing

Wenxuan Jia; on behalf of LIGO O4 Detector Author List

doi:10.1364/FIO.2023.JTu7B.5

Frontiers in Optics + Laser Science 2023 (FiO, LS)
Technical Digest Series (Optica Publishing Group, 2023),
paper JTu7B.5
•https://doi.org/10.1364/FIO.2023.JTu7B.5

Broadband quantum enhancement of the LIGO detectors with frequency-dependent squeezing

Wenxuan Jia and on behalf of LIGO O4 Detector Author List

Frontiers in Optics 2023

Tacoma, Washington United States
9–12 October 2023
ISBN: 978-1-957171-29-6

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Joint Postdeadline Session II (JTu7B)

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W. Jia and on behalf of LIGO O4 Detector Author List, "Broadband quantum enhancement of the LIGO detectors with frequency-dependent squeezing," in Frontiers in Optics + Laser Science 2023 (FiO, LS), Technical Digest Series (Optica Publishing Group, 2023), paper JTu7B.5.

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Abstract

We demonstrate the broadband quantum noise reduction of the LIGO detector via injection of frequency-dependent squeezing, which is generated by reflecting squeezed vacuum state from a 300-m detuned filter cavity.

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