Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector

S. S.Y. Chua; S. Dwyer; L. Barsotti; D. Sigg; R. M.S. Schofield; V. V. Frolov; K. Kawabe; M. Evans; G. D. Meadors; M. Factourovich; R. Gustafson; N. Smith-Lefebvre; C. Vorvick; M. Landry; A. Khalaidovski; M. S. Stefszky; C. M. Mow-Lowry; B. C. Buchler; D. A. Shaddock; P. K. Lam; R. Schnabel; N. Mavalvala; D. E. McClelland

doi:10.1088/0264-9381/31/3/035017

Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector

S. S.Y. Chua^*, S. Dwyer, L. Barsotti, D. Sigg, R. M.S. Schofield, V. V. Frolov, K. Kawabe, M. Evans, G. D. Meadors, M. Factourovich, R. Gustafson, N. Smith-Lefebvre, C. Vorvick, M. Landry, A. Khalaidovski, M. S. Stefszky, C. M. Mow-Lowry, B. C. Buchler, D. A. Shaddock, P. K. LamR. Schnabel, N. Mavalvala, D. E. McClelland

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

Squeezed states of light have been recently used to improve the sensitivity of laser-interferometric gravitational-wave detectors beyond the quantum limit. To completely establish quantum engineering as a realistic option for the next generation of detectors, it is crucial to study and quantify the noise coupling mechanisms which injection of squeezed states could potentially introduce. We present a direct measurement of the impact of backscattered light from a squeezed-light source deployed on one of the 4 km long detectors of the laser interferometric gravitational wave observatory (LIGO). We also show how our measurements inform the design of squeezed-light sources compatible with the even more sensitive advanced detectors currently under construction, such as Advanced LIGO.

Original language	English
Article number	035017
Journal	Classical and Quantum Gravity
Volume	31
Issue number	3
DOIs	https://doi.org/10.1088/0264-9381/31/3/035017
Publication status	Published - 7 Feb 2014

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Chua, S. S. Y., Dwyer, S., Barsotti, L., Sigg, D., Schofield, R. M. S., Frolov, V. V., Kawabe, K., Evans, M., Meadors, G. D., Factourovich, M., Gustafson, R., Smith-Lefebvre, N., Vorvick, C., Landry, M., Khalaidovski, A., Stefszky, M. S., Mow-Lowry, C. M., Buchler, B. C., Shaddock, D. A., ... McClelland, D. E. (2014). Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector. Classical and Quantum Gravity, 31(3), Article 035017. https://doi.org/10.1088/0264-9381/31/3/035017

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abstract = "Squeezed states of light have been recently used to improve the sensitivity of laser-interferometric gravitational-wave detectors beyond the quantum limit. To completely establish quantum engineering as a realistic option for the next generation of detectors, it is crucial to study and quantify the noise coupling mechanisms which injection of squeezed states could potentially introduce. We present a direct measurement of the impact of backscattered light from a squeezed-light source deployed on one of the 4 km long detectors of the laser interferometric gravitational wave observatory (LIGO). We also show how our measurements inform the design of squeezed-light sources compatible with the even more sensitive advanced detectors currently under construction, such as Advanced LIGO.",

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Chua, SSY, Dwyer, S, Barsotti, L, Sigg, D, Schofield, RMS, Frolov, VV, Kawabe, K, Evans, M, Meadors, GD, Factourovich, M, Gustafson, R, Smith-Lefebvre, N, Vorvick, C, Landry, M, Khalaidovski, A, Stefszky, MS, Mow-Lowry, CM, Buchler, BC , Shaddock, DA , Lam, PK, Schnabel, R, Mavalvala, N & McClelland, DE 2014, 'Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector', Classical and Quantum Gravity, vol. 31, no. 3, 035017. https://doi.org/10.1088/0264-9381/31/3/035017

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AU - Chua, S. S.Y.

AU - Dwyer, S.

AU - Barsotti, L.

AU - Sigg, D.

AU - Schofield, R. M.S.

AU - Frolov, V. V.

AU - Kawabe, K.

AU - Evans, M.

AU - Meadors, G. D.

AU - Factourovich, M.

AU - Gustafson, R.

AU - Smith-Lefebvre, N.

AU - Vorvick, C.

AU - Landry, M.

AU - Khalaidovski, A.

AU - Stefszky, M. S.

AU - Mow-Lowry, C. M.

AU - Buchler, B. C.

AU - Shaddock, D. A.

AU - Lam, P. K.

AU - Schnabel, R.

AU - Mavalvala, N.

AU - McClelland, D. E.

PY - 2014/2/7

Y1 - 2014/2/7

N2 - Squeezed states of light have been recently used to improve the sensitivity of laser-interferometric gravitational-wave detectors beyond the quantum limit. To completely establish quantum engineering as a realistic option for the next generation of detectors, it is crucial to study and quantify the noise coupling mechanisms which injection of squeezed states could potentially introduce. We present a direct measurement of the impact of backscattered light from a squeezed-light source deployed on one of the 4 km long detectors of the laser interferometric gravitational wave observatory (LIGO). We also show how our measurements inform the design of squeezed-light sources compatible with the even more sensitive advanced detectors currently under construction, such as Advanced LIGO.

AB - Squeezed states of light have been recently used to improve the sensitivity of laser-interferometric gravitational-wave detectors beyond the quantum limit. To completely establish quantum engineering as a realistic option for the next generation of detectors, it is crucial to study and quantify the noise coupling mechanisms which injection of squeezed states could potentially introduce. We present a direct measurement of the impact of backscattered light from a squeezed-light source deployed on one of the 4 km long detectors of the laser interferometric gravitational wave observatory (LIGO). We also show how our measurements inform the design of squeezed-light sources compatible with the even more sensitive advanced detectors currently under construction, such as Advanced LIGO.

KW - gravitational wave detectors

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KW - squeezed states

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DO - 10.1088/0264-9381/31/3/035017

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JO - Classical and Quantum Gravity

JF - Classical and Quantum Gravity

IS - 3

M1 - 035017

ER -

Impact of backscattered light in a squeezing-enhanced interferometric gravitational-wave detector

Abstract

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