Whispering gallery modes in self-assembled bottle microresonators coupled to planar waveguide

I. A. Grimaldi; S. Berneschi; G. Testa; F. Baldini; G. Nunzi Conti; R. Bernini

doi:10.1117/12.2212856

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15 March 2016 Whispering gallery modes in self-assembled bottle microresonators coupled to planar waveguide

I. A. Grimaldi, S. Berneschi, G. Testa, F. Baldini, G. Nunzi Conti, R. Bernini

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Proceedings Volume 9750, Integrated Optics: Devices, Materials, and Technologies XX; 97501H (2016) https://doi.org/10.1117/12.2212856
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Polymer micro-bottle resonators are fabricated by means of a simple self-assembling process. High optical quality SU-8 negative resist is chosen as bottle material. SU-8 is dispensed onto a fiber stem and is kept in rotation during the UV photo-polymerization. Micro-bottles with different geometrical sizes have been obtained by changing the SU-8 dispensed volume, with a repeatability of about 2%. Planar waveguides is chosen as interrogation system for our SU-8 self-assembled micro-bottle resonators. The highest quality factor Q associated to the resonance peak in the transmission spectrum is about 3.8 × 10⁴.

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I. A. Grimaldi, S. Berneschi, G. Testa, F. Baldini, G. Nunzi Conti, and R. Bernini "Whispering gallery modes in self-assembled bottle microresonators coupled to planar waveguide", Proc. SPIE 9750, Integrated Optics: Devices, Materials, and Technologies XX, 97501H (15 March 2016); https://doi.org/10.1117/12.2212856

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