Broadband sensitivity enhancement of detuned dual-recycled Michelson interferometers with EPR entanglement

Daniel D. Brown; Haixing Miao; Chris Collins; Conor Mow-Lowry; Daniel Töyrä; Andreas Freise

doi:10.1103/PhysRevD.96.062003

Broadband sensitivity enhancement of detuned dual-recycled Michelson interferometers with EPR entanglement

Daniel D. Brown
, Haixing Miao
, Chris Collins
, Conor Mow-Lowry
, Daniel Töyrä
, Andreas Freise

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

We demonstrate the applicability of the EPR entanglement squeezing scheme for enhancing the shot-noise-limited sensitivity of detuned dual-recycled Michelson interferometers. In particular, this scheme is applied to the GEO600 interferometer. The effect of losses throughout the interferometer, arm length asymmetries, and imperfect separation of the signal and idler beams is considered.

Original language	English
Journal	Physical Review D
Volume	96
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevD.96.062003
Publication status	Published - 14 Sept 2017
Externally published	Yes

Funding

The authors would like to thank Yanbei Chen and James Lough for the idea to apply the EPR scheme in GEO600, and Harald Lück, Hartmut Grote and the GEO600 team for their support and useful discussions, in particular James Lough and Harald Lück for providing estimates of the optical losses in GEO600. This work was supported by the Science and Technology Facilities Council Consolidated Grant (No. ST/N000633/1) and H. Miao is supported by U.K. Science and Technology Facilities Council Ernest Rutherford Fellowship (Grant No. ST/M005844/11). D. Töyrä is supported by funding from the People Programme (Marie Curie Actions) of the European Union’s Seventh Framework Programme FP7/2007-2013/ (PEOPLE-2013-ITN) under Research Executive Agency (REA) Grant Agreement No. 606176.

Funders	Funder number
Seventh Framework Programme
Research Executive Agency
FP7/2007-2013
Consolidated Grant
Marie Curie Actions
Ernest Rutherford Fellowship
UK Research and Innovation
European Commission	606176
Science and Technology Facilities Council	ST/M005844/1, ST/N000633/1, ST/N000072/1
European Union’s Seventh Framework Programme FP7/2007	PEOPLE-2013-ITN

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10.1103/PhysRevD.96.062003

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AU - Freise, Andreas

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Broadband sensitivity enhancement of detuned dual-recycled Michelson interferometers with EPR entanglement

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