Low-frequency noise stabilization in optomechanical inertial accelerometers for high-resolution sensing

Flores, Jaime Gonzalo Flor; Wang, Wengting; Huang, Yongjun; Wu, Jiagui; Yerebakan, Talha; Bai, Qingsong; Wong, Chee Wei

doi:10.1364/cleo_si.2020.sm4m.2

Cited by 1 publication

(1 citation statement)

References 5 publications

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“…Once the cavity slot width is reduced, the process repeats, allowing the optomechanical cavity to sustain periodical motion (gain) with regenerative oscillations. [30][31][32][33] The parametric process just described represents an intrinsic optical feedback system that drives the cavity and does not need the external electrical components required by the techniques described in the previous section.…”

Section: Optomechanical Transductionmentioning

confidence: 99%

Parametrically Driven Inertial Sensing in Chip‐Scale Optomechanical Cavities at the Thermodynamical Limits with Extended Dynamic Range

Flores

Yerebakan

Wang

et al. 2023

Laser & Photonics Reviews

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Recent scientific and technological advances have enabled the detection of gravitational waves, autonomous driving, and the proposal of a communications network on the Moon (Lunar Internet or LunaNet). These efforts are based on the measurement of minute displacements and their corresponding force transduction, which enables acceleration, velocity, and position determination for navigation. State-of-the-art accelerometers use capacitive or piezoresistive techniques and micro-electromechanical systems (MEMS) via integrated circuit (IC) technologies to drive transducers and convert their output for electric readout. In recent years, laser optomechanical transduction and readout have enabled highly sensitive detection of motional displacement.Here the theoretical framework is further examined for the novel mechanical frequency readout technique of optomechanical transduction when the sensor is driven into oscillation mode. Theoretical and physical agreements are demonstrated, and the most relevant performance parameters are characterized by a device with a 1.5 mg Hz −1 acceleration sensitivity, a 2.5 fm Hz −1/2 displacement resolution corresponding to a 17.02 µg Hz −1/2 force-equivalent acceleration, and a 5.91 Hz nW −1 power sensitivity, at the thermodynamical limits. In addition, a novel technique is presented for dynamic range extension while maintaining the precision sensing sensitivity. This inertial accelerometer is integrated on-chip and enabled for packaging, with a laser-detuning-enabled approach.

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Section: Optomechanical Transductionmentioning

confidence: 99%

Parametrically Driven Inertial Sensing in Chip‐Scale Optomechanical Cavities at the Thermodynamical Limits with Extended Dynamic Range

Flores

Yerebakan

Wang

et al. 2023

Laser & Photonics Reviews

View full text Add to dashboard Cite

show abstract

Low-frequency noise stabilization in optomechanical inertial accelerometers for high-resolution sensing

Abstract: We demonstrate a solid-state optomechanical resonator driven into oscillation mode for high resolution acceleration sensing. The low-frequency performance is greatly increased to 70^g/Hz1/2 at 10-3 Hz when the resonant wavelength detuned pump laser is stabilized.

Cited by 1 publication

References 5 publications

Parametrically Driven Inertial Sensing in Chip‐Scale Optomechanical Cavities at the Thermodynamical Limits with Extended Dynamic Range

Parametrically Driven Inertial Sensing in Chip‐Scale Optomechanical Cavities at the Thermodynamical Limits with Extended Dynamic Range

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