Optomechanical second-order sidebands and group delays in a spinning resonator with parametric amplifier and non-Markovian effects

• URL: http://arxiv.org/abs/2404.08203v1
• Date: Fri, 12 Apr 2024 02:18:00 GMT
• Title: Optomechanical second-order sidebands and group delays in a spinning resonator with parametric amplifier and non-Markovian effects
• Abstract summary: We show an OPA driven by different pumping frequencies inside a cavity can enhance and modulate the amplitude of the second-order sideband. We illustrate the second-order sidebands in a spinning resonator exhibit a transition from the non-Markovian to Markovian regime by controlling environmental spectral width.
• Score: 3.714878228199672
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We investigate the generation of the frequency components at the second-order sidebands based on a spinning resonator containing a degenerate optical parametric amplifier (OPA). We show an OPA driven by different pumping frequencies inside a cavity can enhance and modulate the amplitude of the second-order sideband with different influences. We find that both the second-order sideband amplitude and its associated group delay sensitively depend on the nonlinear gain of the OPA, the phase of the field driving the OPA, the rotation speed of the resonator, and the incident direction of the input fields. Tuning the pumping frequency of the OPA can remain the localization of the maximum value of the sideband efficiency and nonreciprocal behavior due to the optical Sagnac effect, which also can adjust the linewidth of the suppressive window of the second-order sideband. Furthermore, we extend the study of second-order sideband to the non-Markovian bath which consists of a collection of infinite oscillators (bosonic photonic modes). We illustrate the second-order sidebands in a spinning resonator exhibit a transition from the non-Markovian to Markovian regime by controlling environmental spectral width. \textbf{We also study the influences of the decay from the non-Markovian environment coupling to an external reservoir on the efficiency of second-order upper sidebands.} This indicates a promising new way to enhance or steer optomechanically induced transparency devices in nonlinear optical cavities and provides potential applications for precision measurement, optical communications, and quantum sensing.

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