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  Binary homodyne detection for observing quadrature squeezing in satellite links

Müller, C. R., Seshadreesan, K. P., Peuntinger, C., & Marquardt, C. (2020). Binary homodyne detection for observing quadrature squeezing in satellite links. Physical Review Research, 2(3), 033523. doi:10.1103/PhysRevResearch.2.033523.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-C15C-6 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-C15D-5
Genre: Journal Article

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PhysRevResearch.2.033523.pdf (Publisher version), 2MB
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 Creators:
Müller, Christian R.1, 2, Author           
Seshadreesan, Kaushik P.3, Author
Peuntinger, C.1, 2, Author           
Marquardt, C.1, 2, Author           
Affiliations:
1Christoph Marquardt Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_3164413              
2Institute of Optics, Information and Photonics, University of Erlangen-Nuremberg, Staudtstr. 7/B2, D-91058 Erlangen, Germany, ou_persistent22              
3external, ou_persistent22              

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Free keywords: Quantum measurements, Squeezing of Quantum noise, Quantum communication, Quntum optics, Homodyne detection
 Abstract: Optical satellite links open up new prospects for realizing quantum physical experiments over unprecedented length scales. We analyze and affirm the feasibility of detecting quantum squeezing in an optical mode with homodyne detection of only one bit resolution, as is found in satellites already in orbit. We show experimentally that, in combination with a coherent displacement, a binary homodyne detector can still detect quantum squeezing efficiently even under high loss. The sample overhead in comparison to nondiscretized homodyne detection is merely a factor of 3.3.

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Language(s): eng - English
 Dates: 2020-06-142020-09-032020-09-30
 Publication Status: Published online
 Pages: 7
 Publishing info: -
 Table of Contents: Optical satellite links open up new prospects for realizing quantum physical experiments over unprecedented length scales. We analyze and affirm the feasibility of detecting quantum squeezing in an optical mode with homodyne detection of only one bit resolution, as is found in satellites already in orbit. We show experimentally that, in combination with a coherent displacement, a binary homodyne detector can still detect quantum squeezing efficiently even under high loss. The sample overhead in comparison to nondiscretized homodyne detection is merely a factor of 3.3.
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevResearch.2.033523
arXiv: 1811.09423
 Degree: -

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Title: Physical Review Research
  Abbreviation : Phys. Rev. Research
Source Genre: Journal
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Publ. Info: College Park, Maryland, United States : American Physical Society (APS)
Pages: - Volume / Issue: 2 (3) Sequence Number: - Start / End Page: 033523 Identifier: ISSN: 2643-1564
CoNE: https://pure.mpg.de/cone/journals/resource/2643-1564