Frequency stabilisation and sensing applications based on whispering-gallery-mode-resonator

Wenle Weng

    Research output: ThesisDoctoral Thesis

    160 Downloads (Pure)

    Abstract

    This thesis presents the development of high-precision sensors and frequency references based on optical whispering-gallery­-mode-resonators. By measuring the difference between the frequencies of two optical modes, we developed a thermometer of unprecedented temperature resolution. We used this to improve the frequency stability of the resonator. In calcium fluoride resonators we observed self-oscillatory behavior, which was analyzed theoretically ,and then suppressed by a self-therma l­-locking technique. We also demonstrated a triple-mode technique for refractometry and performed proof-of-concept experiment to suppress thermal noise and to improve detection limit. The thesis also examines electromagnetic coupling between orthogonally polarized modes and provides a theoretical explanation.
    Original languageEnglish
    QualificationDoctor of Philosophy
    Awarding Institution
    • The University of Western Australia
    Award date29 Jun 2016
    Publication statusUnpublished - 2016

    Fingerprint

    whispering gallery modes
    theses
    stabilization
    resonators
    calcium fluorides
    electromagnetic coupling
    frequency stability
    thermal noise
    thermometers
    locking
    sensors
    temperature

    Cite this

    @phdthesis{f4f4eef8ae324d64b2bac17b51d0f3f7,
    title = "Frequency stabilisation and sensing applications based on whispering-gallery-mode-resonator",
    abstract = "This thesis presents the development of high-precision sensors and frequency references based on optical whispering-gallery­-mode-resonators. By measuring the difference between the frequencies of two optical modes, we developed a thermometer of unprecedented temperature resolution. We used this to improve the frequency stability of the resonator. In calcium fluoride resonators we observed self-oscillatory behavior, which was analyzed theoretically ,and then suppressed by a self-therma l­-locking technique. We also demonstrated a triple-mode technique for refractometry and performed proof-of-concept experiment to suppress thermal noise and to improve detection limit. The thesis also examines electromagnetic coupling between orthogonally polarized modes and provides a theoretical explanation.",
    keywords = "Optical resonator, Frequency stabilisation, Noise analysis, Sensing, Thermometry, Refractometry, Optical clock, Nonlinear dynamics",
    author = "Wenle Weng",
    year = "2016",
    language = "English",
    school = "The University of Western Australia",

    }

    Weng, W 2016, 'Frequency stabilisation and sensing applications based on whispering-gallery-mode-resonator', Doctor of Philosophy, The University of Western Australia.

    Frequency stabilisation and sensing applications based on whispering-gallery-mode-resonator. / Weng, Wenle.

    2016.

    Research output: ThesisDoctoral Thesis

    TY - THES

    T1 - Frequency stabilisation and sensing applications based on whispering-gallery-mode-resonator

    AU - Weng, Wenle

    PY - 2016

    Y1 - 2016

    N2 - This thesis presents the development of high-precision sensors and frequency references based on optical whispering-gallery­-mode-resonators. By measuring the difference between the frequencies of two optical modes, we developed a thermometer of unprecedented temperature resolution. We used this to improve the frequency stability of the resonator. In calcium fluoride resonators we observed self-oscillatory behavior, which was analyzed theoretically ,and then suppressed by a self-therma l­-locking technique. We also demonstrated a triple-mode technique for refractometry and performed proof-of-concept experiment to suppress thermal noise and to improve detection limit. The thesis also examines electromagnetic coupling between orthogonally polarized modes and provides a theoretical explanation.

    AB - This thesis presents the development of high-precision sensors and frequency references based on optical whispering-gallery­-mode-resonators. By measuring the difference between the frequencies of two optical modes, we developed a thermometer of unprecedented temperature resolution. We used this to improve the frequency stability of the resonator. In calcium fluoride resonators we observed self-oscillatory behavior, which was analyzed theoretically ,and then suppressed by a self-therma l­-locking technique. We also demonstrated a triple-mode technique for refractometry and performed proof-of-concept experiment to suppress thermal noise and to improve detection limit. The thesis also examines electromagnetic coupling between orthogonally polarized modes and provides a theoretical explanation.

    KW - Optical resonator

    KW - Frequency stabilisation

    KW - Noise analysis

    KW - Sensing

    KW - Thermometry

    KW - Refractometry

    KW - Optical clock

    KW - Nonlinear dynamics

    M3 - Doctoral Thesis

    ER -