@other{https://resolver.caltech.edu/CaltechTHESIS:02072013-163825736,
    title = "Ultralow-Loss Silica Resonators and Waveguides on a Silicon Chip",
    url = "https://resolver.caltech.edu/CaltechTHESIS:02072013-163825736",
    id = "record",
    doi = "10.7907/QBR4-3980"
}