Strong optomechanical coupling at room temperature by coherent scattering

Nadine Meyer; Andres de los Rios Sommer; Romain Quidant

doi:10.1117/12.2595438

1 August 2021 Strong optomechanical coupling at room temperature by coherent scattering

Nadine Meyer, Andres de los Rios Sommer, Romain Quidant

Proceedings Volume 11798, Optical Trapping and Optical Micromanipulation XVIII; 117980T (2021) https://doi.org/10.1117/12.2595438
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Recently, after a decade of experimental and theoretical efforts, coherent scattering has enabled the motional ground state of levitated nanoparticles at room temperature. While this represents an important milestone towards the creation of mesoscopic quantum objects, coherent quantum control of levitated nanoparticles still remains elusive. A valuable but less stringent condition is the so-called strong coupling regime (SCR), where the optomechanical coupling strength between the mechanical motion of a particle and an external optical cavity exceeds the particle’s mechanical damping and the cavity linewidth, as has been demonstrated in opto- and electromechanical systems. Here, we demonstrate the SCR at room temperature between a levitated silica particle and a high finesse optical cavity. Normal mode splitting is achieved by employing coherent scattering. Our table top experiment offers numerous ways to tune the optomechanical coupling strength at room temperature.

Conference Presentation

Citation Download Citation

Nadine Meyer, Andres de los Rios Sommer, and Romain Quidant "Strong optomechanical coupling at room temperature by coherent scattering", Proc. SPIE 11798, Optical Trapping and Optical Micromanipulation XVIII, 117980T (1 August 2021); https://doi.org/10.1117/12.2595438

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