Third order nonlinear phenomena in silica solid and hollow whispering gallery mode resonators

D. Farnesi; A. Barucci; S. Berneschi; F. Cosi; G. C. Righini; G. Nunzi Conti; Silvia Soria

doi:10.1117/12.2212344

22 April 2016 Third order nonlinear phenomena in silica solid and hollow whispering gallery mode resonators

D. Farnesi, A. Barucci, S. Berneschi, F. Cosi, G. C. Righini, G. Nunzi Conti, Silvia Soria

Proceedings Volume 9727, Laser Resonators, Microresonators, and Beam Control XVIII; 97270K (2016) https://doi.org/10.1117/12.2212344
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

We report efficient generation of nonlinear phenomena related to third order optical non-linear susceptibility χ⁽³⁾ interactions in resonant silica microspheres and microbubbles in the regime of normal dispersion. The interactions here reported are: Stimulated Raman Scattering (SRS), and four wave mixing processes comprising Stimulated Anti-stokes Raman Scattering (SARS) and comb generation. Unusually strong anti-Stokes components and extraordinarily symmetric spectra have been observed. Resonant SARS and SRS corresponding to different Raman bands were also observed. The lack of correlation between stimulated anti-stokes and stokes scattering spectra indicates that the signal has to be resonant with the cavity.

Citation Download Citation

D. Farnesi, A. Barucci, S. Berneschi, F. Cosi, G. C. Righini, G. Nunzi Conti, and Silvia Soria "Third order nonlinear phenomena in silica solid and hollow whispering gallery mode resonators", Proc. SPIE 9727, Laser Resonators, Microresonators, and Beam Control XVIII, 97270K (22 April 2016); https://doi.org/10.1117/12.2212344

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