Presentation
9 March 2022 Nonlinear quantum interferometer in the time and frequency domains
Moti Fridman, Eliahu Cohen
Author Affiliations +
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
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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KEYWORDS
Interferometers

Destructive interference

Nonlinear optics

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