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9 March 2023 Laser system with Stark-shift-compensated dual beam splitters for observing a gravitational Aharonov-Bohm effect
Minjeong Kim, Chris Overstreet, Joseph Curti, Peter Asenbaum, Remy Notermans, Mark A. Kasevich
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Proceedings Volume PC12447, Quantum Sensing, Imaging, and Precision Metrology; PC124471R (2023) https://doi.org/10.1117/12.2648709
Event: SPIE Quantum West, 2023, San Francisco, California, United States
Abstract
Light-pulse atom interferometers are excellent probes for studying gravitational interactions in quantum systems. The characteristics of the atom optics lasers are often essential in determining the performance of an atom interferometer. Here we have built a high-power laser system that enables Stark-shift-compensated dual beam splitters. Technical details of the laser system will be discussed. The second part will focus on the observation of a gravitational Aharonov-Bohm effect. When operating the interferometer with a source mass in a nonlocal regime, we identify the non-zero action-induced phase shift, deviating from that induced by deflections, as the gravitational Aharonov-Bohm phase shift.
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Minjeong Kim, Chris Overstreet, Joseph Curti, Peter Asenbaum, Remy Notermans, and Mark A. Kasevich "Laser system with Stark-shift-compensated dual beam splitters for observing a gravitational Aharonov-Bohm effect", Proc. SPIE PC12447, Quantum Sensing, Imaging, and Precision Metrology, PC124471R (9 March 2023); https://doi.org/10.1117/12.2648709
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KEYWORDS
Laser systems engineering
Beam splitters
Chemical species
Interferometers
Phase shifts
Laser optics
Electromagnetism
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