Visible light emission from a silica microbottle resonator by second and third harmonic generation

Abstract

We report the first observation of nonlinear harmonic generation and sum frequency generation (SFG) coupled with stimulated Raman scattering (SRS) via the second-order (χ^{(2)}) and the third-order (χ^{(3)}) nonlinearities in a silica microbottle resonator. The visible light emission due to third harmonic generation (THG) was observed in both the output of a tapered fiber and the optical microscope images, which can be used to identify the axial mode profiles. SFG enabled by three- and four-wave mixing processes between the pump light and the light generated via SRS was also observed. Second Harmonic generation (SHG) and the SFG are enabled by χ^{(2)} induced in silica by surface effects and multipole excitations.

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Cited by in corpus (5)

• Optical bottle microresonators
• Optimal third-harmonic generation in an optical microcavity with ${\chi }^{(2)}$ and ${\chi }^{(3)}$ nonlinearities
• Whispering gallery mode microresonator for nonlinear optics
• Free-space optomechanical liquid probes using a twin-microbottle resonator
• An opto-electro-mechanical system based on evanescently-coupled optical microbottle and electromechanical resonator