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4 October 2023 Effect of pump laser linewidth on nonlinear quantum interferometric fringes
Jasleen Kaur, Yu Mukai, Ryo Okamoto, Shigeki Takeuchi
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Proceedings Volume PC12692, Quantum Communications and Quantum Imaging XXI; PC1269205 (2023) https://doi.org/10.1117/12.2676594
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
Nonlinear quantum interferometers enable us to extract the optical properties of a sample with a detection frequency different from the probe frequency using quantum correlation and quantum interference. In this work, we investigate both theoretically and experimentally the nonlinear quantum interferometer with pulsed laser excitation where a dispersive spectrometer is used for identifying the detection frequency. We show that the visibility of interferometric fringes in the spectral domain is reduced when the interferometric path difference is increased. This result will be useful for the design of pulsed laser-excited nonlinear interferometer for quantum sensing applications.
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Jasleen Kaur, Yu Mukai, Ryo Okamoto, and Shigeki Takeuchi "Effect of pump laser linewidth on nonlinear quantum interferometric fringes", Proc. SPIE PC12692, Quantum Communications and Quantum Imaging XXI, PC1269205 (4 October 2023); https://doi.org/10.1117/12.2676594
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KEYWORDS
Quantum interferometry
Laser interferometry
Pulsed laser operation
Visibility
Laser frequency
Continuous wave operation
Quantum experiments
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