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  Utilizing weak pump depletion to stabilize squeezed vacuum states

Denker, T., Schütte, D., Wimmer, M. H., Wheatley, T. A., Huntington, E. H., & Heurs, M. (2015). Utilizing weak pump depletion to stabilize squeezed vacuum states. Optics Express, 23: 016517. doi:10.1364/OE.23.016517.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-5A19-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-5A1A-1
Genre: Journal Article

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 Creators:
Denker, Timo, Author
Schütte, Dirk, Author
Wimmer, Maximilian H., Author
Wheatley, Trevor A., Author
Huntington, Elanor H., Author
Heurs, Michele1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Quantum Physics, quant-ph
 Abstract: We propose and demonstrate a pump-phase locking technique that makes use of weak pump depletion (WPD) - an unavoidable effect that is usually neglected - in a sub-threshold optical parametric oscillator (OPO). We show that the phase difference between seed and pump beam is imprinted on both light fields by the non-linear interaction in the crystal and can be read out without disturbing the squeezed output. Our new locking technique allows for the first experimental realization of a pump-phase lock by reading out the pre-existing phase information in the pump field. There is no degradation of the detected squeezed states required to implement this scheme.

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 Dates: 2015-03-102015
 Publication Status: Published in print
 Pages: 11 pages, 7 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1503.02854
DOI: 10.1364/OE.23.016517
URI: http://arxiv.org/abs/1503.02854
 Degree: -

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Title: Optics Express
  Abbreviation : Opt Express
Source Genre: Journal
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Publ. Info: Washington, DC : Optical Society of America
Pages: - Volume / Issue: 23 Sequence Number: 016517 Start / End Page: - Identifier: ISSN: 1094-4087
CoNE: /journals/resource/954925609918