Polygon Coherent Modes in aWeakly Perturbed Whispering Gallery Microresonator for Efficient Second Harmonic, Optomechanic and Frequency Comb Generations
arXiv:2005.09813 · doi:10.1103/PhysRevLett.125.173901
Abstract
We observe high optical quality factor (Q) polygonal and star coherent optical modes in a lithium niobate microdisk. In contrast to the previous polygon modes achieved by deformed microcavities at lower mechanical and optical Q, we adopted weak perturbation from a tapered fiber for the polygon mode formation. The resulting high intracavity optical power of the polygon modes triggers second harmonic generation at high efficiency. With the combined advantage of high mechanical Q cavity optomechanical oscillation was observed for the first time. Finally, we observe frequency microcomb generation from the polygon modes with an ultra stable taper-on-disk coupling mechanism.
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Cited by in corpus (4)
- An on-chip tunable micro-disk laser fabricated on Er3+ doped lithium niobate on insulator (LNOI)
- An electro-optically tunable microring laser monolithically integrated on lithium niobate on insulator
- On-chip integrated waveguide amplifiers on Erbium-doped thin film lithium niobate on insulator
- Coherent mode-combined ultra-narrow-linewidth single-mode micro-disk laser