Sensitivity enhancement of gravitational wave detectors via optomechanical interactions

Jiayi Qin

    Research output: ThesisDoctoral Thesis

    162 Downloads (Pure)

    Abstract

    A century after the prediction by Einstein and Schwarzschild ,gravitational waves (GWs) were directly detected for the first time by interferometric GW detectors. This discovery is the start of the era of GW astronomy. However, improved detector sensitivity is required to measure the vast number of weaker and more distant sources. The sensitivity of current detectors, such as LIGO, reached the quantum shot noise limit in the high frequency detection band. This thesis investigated theoretically and demonstrated experimentally sensitivity enhancement of GW detectors via optomechanical interactions and the three-mode parametric instabilities caused by these interactions.
    Original languageEnglish
    QualificationDoctor of Philosophy
    Awarding Institution
    • The University of Western Australia
    Award date19 Aug 2016
    Publication statusUnpublished - 2016

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