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Journal Article

Binary homodyne detection for observing quadrature squeezing in satellite links

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/persons/resource/persons201135

Müller,  Christian R.
Christoph Marquardt Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
Institute of Optics, Information and Photonics, University of Erlangen-Nuremberg;

/persons/resource/persons201153

Peuntinger,  C.
Christoph Marquardt Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
Institute of Optics, Information and Photonics, University of Erlangen-Nuremberg;

/persons/resource/persons201126

Marquardt,  C.
Christoph Marquardt Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
Institute of Optics, Information and Photonics, University of Erlangen-Nuremberg;

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PhysRevResearch.2.033523.pdf
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Citation

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.


Cite as: https://hdl.handle.net/21.11116/0000-0009-C15C-6
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.