Quantum-enhanced interferometer using Kerr squeezing

One of the prime applications of squeezed light is enhancing the sensitivity of an interferometer below the quantum shot-noise limit, but so far, no such experimental demonstration was reported when using the optical Kerr effect. In prior setups involving Kerr-squeezed light, the role of the interfe...

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Bibliographic Details
Published in:Nanophotonics (Berlin, Germany) Germany), 2023-07, Vol.12 (14), p.2945-2952
Main Authors: Kalinin, Nikolay, Dirmeier, Thomas, Sorokin, Arseny A., Anashkina, Elena A., Sánchez-Soto, Luis L., Corney, Joel F., Leuchs, Gerd, Andrianov, Alexey V.
Format: Article
Language:English
Subjects:
Applied physics
Compressing
fiber squeezing
Gravitational waves
Interferometers
interferometric sensitivity
Kerr effects
Lasers
Light
optical Kerr effect
Optics
Radiation
Science
Sensitivity enhancement
squeezed light
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Summary:One of the prime applications of squeezed light is enhancing the sensitivity of an interferometer below the quantum shot-noise limit, but so far, no such experimental demonstration was reported when using the optical Kerr effect. In prior setups involving Kerr-squeezed light, the role of the interferometer was merely to characterize the noise pattern. The lack of such a demonstration was largely due to the cumbersome tilting of the squeezed ellipse in phase space. Here, we present the first experimental observation of phase-sensitivity enhancement in an interferometer using Kerr squeezing.
ISSN:2192-8606
2192-8614
2192-8614
DOI:10.1515/nanoph-2023-0032