Monolithic lithium niobate photonic circuits for Kerr frequency comb generation and modulation

Monolithic lithium niobate photonic circuits for Kerr frequency comb generation and modulation

Monolithic lithium niobate photonic circuits for Kerr frequency comb generation and modulation, Published online: 28 February 2019; doi:10.1038/s41467-019-08969-6

Kerr microcombs promise the miniaturization of frequency comb sources, but many applications require additional second-order nonlinearities. Here, Wang et al. demonstrate that comb generation and second-order functionalities can be monolithically integrated on a single lithium niobate chip.

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