Highly sensitive measurement of submicron waveguides based on Brillouin scattering

Adrien Godet; Abdoulaye Ndao; Thibaut Sylvestre; Jean-Charles Beugnot; Kien Phan Huy

doi:10.1117/12.2253703

20 February 2017 Highly sensitive measurement of submicron waveguides based on Brillouin scattering

Adrien Godet, Abdoulaye Ndao, Thibaut Sylvestre, Jean-Charles Beugnot, Kien Phan Huy

Proceedings Volume 10110, Photonic Instrumentation Engineering IV; 1011009 (2017) https://doi.org/10.1117/12.2253703
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Fabrication and characterization of submicron optical waveguides is one of the major challenges in modern photonics, as they find many applications from optical sensors to plasmonic devices. Here we report on a novel technique that allows for a complete and precise characterization of silica optical nanofibers. Our method relies on the Brillouin backscattering spectrum analysis that directly depends on the waveguide geometry. Our method was applied to several fiber tapers with diameter ranging from 500 nm to 3 μm. Results were compared to scanning electron microscopy (SEM) images and numerical simulations with very good agreement and similar sensitivity.

Citation Download Citation

Adrien Godet, Abdoulaye Ndao, Thibaut Sylvestre, Jean-Charles Beugnot, and Kien Phan Huy "Highly sensitive measurement of submicron waveguides based on Brillouin scattering", Proc. SPIE 10110, Photonic Instrumentation Engineering IV, 1011009 (20 February 2017); https://doi.org/10.1117/12.2253703

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