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9 March 2023 A table-top optical interferometer with shot-noise sensitivity enhanced by optomechanical phase-insensitive quantum filtering
Artemiy Dmitriev, Haixing Miao, Jiri Smetana, Denis Martynov
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Proceedings Volume PC12447, Quantum Sensing, Imaging, and Precision Metrology; PC1244731 (2023) https://doi.org/10.1117/12.2650385
Event: SPIE Quantum West, 2023, San Francisco, California, United States
Abstract
We present a new scheme to enhance the quantum-limited bandwidth-sensitivity product of table-top position-sensitive interferometers. It is based on a recently proposed stable optomechanical PT-symmetric sensitivity enhancement technique. We extend this technique to tabletop-scaled systems by using the membrane-in-the-middle approach. We show that the sensitivity can be enhanced in a wide frequency range by using a silicon nitride membrane as the optomechanical component. We discuss the main experimental challenges, present the results of our experimental work on a proof-of-principle room-temperature demonstration of the effect and stability, and discuss the future upgrade of our setup for a fully quantum demonstration.
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Artemiy Dmitriev, Haixing Miao, Jiri Smetana, and Denis Martynov "A table-top optical interferometer with shot-noise sensitivity enhanced by optomechanical phase-insensitive quantum filtering", Proc. SPIE PC12447, Quantum Sensing, Imaging, and Precision Metrology, PC1244731 (9 March 2023); https://doi.org/10.1117/12.2650385
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KEYWORDS
Interferometers
Optical filters
Cryogenics
Interferometry
Sensors
Silicon
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