Sub-nano-scale phase sensing and improvement by squeezing

Jean-Claude M. Diels; Xiaobing Zhu; Matthias Lenzner

doi:10.1117/12.2657382

9 March 2023 Sub-nano-scale phase sensing and improvement by squeezing

Jean-Claude M. Diels, Xiaobing Zhu, Matthias Lenzner

Proceedings Volume PC12447, Quantum Sensing, Imaging, and Precision Metrology; PC1244710 (2023) https://doi.org/10.1117/12.2657382
Event: SPIE Quantum West, 2023, San Francisco, California, United States

Abstract

Extreme sensitivity in measuring minute changes of phase is traditionally achieved by marvels of technology, such as a high finesse (10^6) Fabry-Perot interferometer, probed with lasers of only 1 Hz linewidth, and complex electronics. We will show that the same result can be obtained with standard unstabilized lasers emitting dual frequency combs. The source of combs has a coherence time in the microsecond range, yet a mutual coherence time between the combs of 100 s is achieved.

Conference Presentation

Citation Download Citation

Jean-Claude M. Diels, Xiaobing Zhu, and Matthias Lenzner "Sub-nano-scale phase sensing and improvement by squeezing", Proc. SPIE PC12447, Quantum Sensing, Imaging, and Precision Metrology, PC1244710 (9 March 2023); https://doi.org/10.1117/12.2657382

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