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  A graphical description of optical parametric generation of squeezed states of light

Bauchrowitz, J., Westphal, T., & Schnabel, R. (2013). A graphical description of optical parametric generation of squeezed states of light. American Journal of Physics, 81(10): 767. doi:http://dx.doi.org/10.1119/1.4819195.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-1205-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-1206-3
Genre: Journal Article

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 Creators:
Bauchrowitz, Jöran1, Author              
Westphal, Tobias1, Author              
Schnabel, Roman1, Author              
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1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24010              

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Free keywords: Quantum Physics, quant-ph
 Abstract: The standard process for the production of strongly squeezed states of light is optical parametric amplification (OPA) below threshold in dielectric media such as LiNbO3 or periodically poled KTP. Here, we present a graphical description of squeezed light generation via OPA. It visualizes the interaction between the nonlinear dielectric polarization of the medium and the electromagnetic quantum field. We explicitly focus on the transfer from the field's ground state to a squeezed vacuum state and from a coherent state to a bright squeezed state by the medium's secondorder nonlinearity, respectively. Our pictures visualize the phase dependent amplification and deamplification of quantum uncertainties and give the phase relations between all propagating electro-magnetic fields as well as the internally induced dielectric polarizations. The graphical description can also be used to describe the generation of nonclassical states of light via higherorder effects of the non-linear dielectric polarization such as four-wave mixing and the optical Kerr effect.

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 Dates: 2012-06-122012-11-272013
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1206.2527
DOI: http://dx.doi.org/10.1119/1.4819195
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Title: American Journal of Physics
Source Genre: Journal
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Publ. Info: New York : American Association of Physics Teachers
Pages: - Volume / Issue: 81 (10) Sequence Number: 767 Start / End Page: - Identifier: ISSN: 0002-9505
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/991042741094376