Absolute Determination of the Single-Photon Optomechanical Coupling Rate via a Hopf Bifurcation

Anno: 2021

Autori: Piergentili P., Li W., Natali R., Vitali D., Di Giuseppe G.

Affiliazione autori: Univ Camerino, Phys Div, Sch Sci & Technol, I-62032 Camerino, MC, Italy; Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, PG, Italy; CNR, INO, Lgo Enrico Fermi 6, I-50125 Florence, Italy.

Abstract: We establish a method for the determination of the single-photon optomechanical coupling rate, which characterizes the radiation pressure interaction in an optomechanical system. The estimation of the rate with which a mechanical oscillator, initially in a thermal state, undergoes a Hopf bifurcation, and reaches a limit cycle, allows us to determine the single-photon optomechanical coupling rate in a simple and consistent way. Most importantly, and in contrast to other methods, our method does not rely on knowledge of the system?s bath temperature and on a calibration of the signal. We provide the theoretical framework and experimentally validate this method, providing a procedure for the full characterization of an optomechanical system, which could be extended outside cavity optomechanics, whenever a resonator is driven into a limit cycle by the appropriate interaction with another degree of freedom.

Giornale/Rivista: PHYSICAL REVIEW APPLIED

Volume: 15 (3)      Da Pagina: 034012-1  A: 034012-11

Maggiori informazioni: We acknowledge support from the European Union Horizon 2020 Programme for Research and Innovation through Project No. 732894 (FET Proactive HOT) and the Project QuaSeRT funded by the QuantERA ERA-NET Cofund in Quantum Technologies. P.P. acknowledges support from the European Union´s Horizon 2020 Programme for Research and Innovation under Grant No. 722923 (Marie Curie ETN -OMT).
Parole chiavi: optomechanics; microcavity
DOI: 10.1103/PhysRevApplied.15.034012

Citazioni: 16
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2025-05-04
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