Optical spring effect enhanced by optical parametric amplifier

Jue Zhang, Hengxin Sun, Hui Guo, Carl Blair, Vladimir Bossilkov, Michael Page, Xu Chen, Jiangrui Gao, Li Ju, Chunnong Zhao

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    We experimentally demonstrate that the optical spring effect can be modified using an optical parametric amplifier in an opto-mechanical cavity. The theoretical analysis shows that both the gain and phase of the optical parametric amplifier can modify the frequency of a mechanical resonator in an opto-mechanical cavity. This modification could be used to tune the frequency of peak sensitivity of gravitational wave detectors. The experimental results show a factor of 1.2 ± 0.8 increase in mechanical resonator frequency shift induced by optical spring by tuning the optical parametric amplifier gain.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume122
    Issue number26
    DOIs
    Publication statusPublished - 2023

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