Short-cavity squeezing in barium

Hope, D. M.; Bachor, H-A.; Manson, P. J.; Mcclelland, D. E.

NASA NTRS · 19920012828

Short-cavity squeezing in barium

Hope, D. M.·Bachor, H-A.·Manson, P. J.·Mcclelland, D. E.

Abstract

Broadband phase sensitive noise and squeezing were experimentally observed in a system of barium atoms interacting with a single mode of a short optical cavity. Squeezing of 13 +/- 3 percent was observed. A maximum possible squeezing of 45 +/- 8 percent could be inferred for out experimental conditions, after correction for measured loss factors. Noise reductions below the quantum limit were found over a range of detection frequencies 60-170 MHz and were best for high cavity transmission and large optical depths. The amount of squeezing observed is consistent with theoretical predictions from a full quantum statistical model of the system.

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Hope, D. M., Bachor, H-A., Manson, P. J., Mcclelland, D. E.. 1992-02-01. Short-cavity squeezing in barium. https://ntrs.nasa.gov/citations/19920012828

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