Microresonator-besed frequency combs have attracted intense interests recently for their promising applications in integrated miniature optical clocks, low -noise microwave sources, and femtosecond pulse generators. The compact, chip-scale integratable high-Q microresonators permit precisely-spaced sharp spectral comb lines in the range of a few gigahertz to over terahertz with continuouswave pump. Here we introduce our latest research progresses on Kerr frequency comb techniques and present an outlook of their future developments & applications.

© 2018 The Author(s)

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