A self-starting bi-chromatic LiNbO3 soliton microcomb
arXiv:1812.09610
Abstract
For its many useful properties, including second and third-order optical nonlinearity as well as electro-optic control, lithium niobate is considered an important potential microcomb material. Here, a soliton microcomb is demonstrated in a monolithic high-Q lithium niobate resonator. Besides the demonstration of soliton mode locking, the photorefractive effect enables mode locking to self-start and soliton switching to occur bi-directionally. Second-harmonic generation of the soliton spectrum is also observed, an essential step for comb self-referencing. The Raman shock time constant of lithium niobate is also determined by measurement of soliton self-frequency-shift. Besides the considerable technical simplification provided by a self-starting soliton system, these demonstrations, together with the electro-optic and piezoelectric properties of lithium niobate, open the door to a multi-functional microcomb providing f-2f generation and fast electrical control of optical frequency and repetition rate, all of which are critical in applications including time keeping, frequency synthesis/division, spectroscopy and signal generation.
Cited by in corpus (13)
- Applications of integrated optical microcombs
- Neuromorphic computing using wavelength-division multiplexing
- Mitigating photorefractive effect in thin-filmlithium niobate microring resonators
- Systematic Investigation of Millimeter-Wave Optic Modulation Performance in Thin-Film Lithium Niobate
- Observation of Arnold Tongues in Coupled Soliton Kerr Frequency Combs
- Two-colour dissipative solitons and breathers in microresonator second-harmonic generation
- Chip-Based Lithium-Niobate Frequency Combs
- Coupled-mode theory for microresonators with quadratic nonlinearity
- High-Q Lithium Niobate Microcavities and Their Applications
- Cavity quantum electrodynamics and chiral quantum optics
- Photon-photon polaritons in chi(2) microresonators
- Integrated Broadband Mode Division Demultiplexer in Waveguide Arrays
- Lithium niobate microring with ultra-high Q factor above 10^8