Nonlinear quantum interferometer in the time and frequency domains

Moti Fridman; Eliahu Cohen

doi:10.1117/12.2608475

9 March 2022 Nonlinear quantum interferometer in the time and frequency domains

Moti Fridman, Eliahu Cohen

Proceedings Volume PC12016, Optical and Quantum Sensing and Precision Metrology II; PC120160Z (2022) https://doi.org/10.1117/12.2608475
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Interferometers are highly sensitive to phase differences and are utilized in numerous schemes. Quantum interferometers are able to improve the sensitivity of classical interferometers beyond the shot-noise limit. This is done by employing squeezed states of light and destructive interference of the noise in the system. We developed a quantum SU(1,1) interferometer in the time domain. Our nonlinear quantum interferometer creates interference of the input signals at different times and frequencies. We can control the time and frequency differences for investigating the full temporal and spectral structure of the signal. This quantum interferometer can be utilized for sensing ultrafast phase changes, quantum imaging, temporal mode encoding, and studying the temporal structure of entangled photons.

Conference Presentation

Citation Download Citation

Moti Fridman and Eliahu Cohen "Nonlinear quantum interferometer in the time and frequency domains", Proc. SPIE PC12016, Optical and Quantum Sensing and Precision Metrology II, PC120160Z (9 March 2022); https://doi.org/10.1117/12.2608475

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