Bayesian optimization of Fisher Information in nonlinear multiresonant quantum photonics gyroscopes
NANOPHOTONICS(2024)
摘要
We propose an on-chip gyroscope based on nonlinear multiresonant optics in a thin film chi (2) resonator that combines high sensitivity, compact form factor, and low power consumption simultaneously. We theoretically analyze a novel holistic metric - Fisher Information capacity of a multiresonant nonlinear photonic cavity - to fully characterize the sensitivity of our gyroscope under fundamental quantum noise conditions. Leveraging Bayesian optimization techniques, we directly maximize the nonlinear multiresonant Fisher Information. Our holistic optimization approach orchestrates a harmonious convergence of multiple physical phenomena - including noise squeezing, nonlinear wave mixing, nonlinear critical coupling, and noninertial signals - all encapsulated within a single sensor-resonator, thereby significantly augmenting sensitivity. We show that similar to 470x improvement is possible over the shot-noise limited linear gyroscope with the same footprint, intrinsic quality factors, and power budget.
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关键词
optical gyroscope,nonlinear optics,quantum photonics,Bayesian optimization,Fisher Information
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