17 May 2018 LiNbO3 integrated microdisk resonator fabricated by optical grade dicing and precise robotic positioning
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Abstract
Lithium niobate (LiN bO3) microresonators have attracted much interest over the last decade, due to the electrooptical, acousto-optic and non-linear properties of the material, that can advantageously be employed in combination with thin resonances of optical microcavities for applications as varied as integrated gyrometers, spectrometers or dynamic filters. However the integration of micrometer scale cavities with an input/output waveguide is still a critical issue. Here we propose an innovative approach, allowing low insertion losses and easy pigtailing with SMF fibers. The approach consists in producing and optimizing separately a membrane-based LiNbO3 waveguide with Spot-Size Converters, and a thin microdisk. The two elements are dynamically assembled and fixed in a second step. Additionally to the proposed integrated microresonator, this approach opens the way to the production of 3D hybrid photonic systems.
Conference Presentation
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A. Caspar, C. Eustache, F. Behague, M. Suarez, R. Salut, O. Lehman, V. Calero, B. Robert, C. Clevy, P. Lutz, M.-P. Bernal, N. Courjal, "LiNbO3 integrated microdisk resonator fabricated by optical grade dicing and precise robotic positioning", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106830I (17 May 2018); doi: 10.1117/12.2306576; https://doi.org/10.1117/12.2306576
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