Publication:
Excitation of silicon microspheres resonances with Femtosecond laser fabricated glass waveguides

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Sotillo, Belen
Bharadwaj, Vibhav
Eaton, Shane M.
Ramponi, Roberta

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NO

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Abstract

Optical waveguides were fabricated with femtosecond pulsed lasers on glass and characterized by transmission measurements. Glass waveguides were later used for excitation of the whispering gallery modes in a silicon microsphere. The coupling between the silicon microsphere and the femtosecond laser inscribed optical waveguide was simulated in both 90 degrees elastic scattering and 0 degrees transmission spectra. The silicon microsphere whispering gallery modes are available for both in the transverse electric and transverse magnetic polarizations with a spectral mode spacing of 0.25 nm. Optical resonances on silicon microsphere integrated with femtosecond laser written optical waveguides may lead to future quantum optical communication devices.

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Society of Photo-optical Instrumentation Engineers (SPIE)

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Electrical and electronic engineering, Nanoscience and nanotechnology

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Nanoengineering: Fabrication, Properties, Optics, and Devices XIII

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10.1117/12.2239326

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