@other{https://resolver.caltech.edu/CaltechETD:etd-02242008-091907,
    title = "Physics and application of four-wave mixing in semiconductor optical amplifiers",
    year = "1999",
    url = "https://resolver.caltech.edu/CaltechETD:etd-02242008-091907",
    id = "record",
    doi = "10.7907/r9qa-0n27"
}