22 February 2018 Progress in fabrication of anisotropic Bragg gratings fabricated in lithium niobate via femtosecond laser micromachining
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Abstract
We have previously introduced a femtosecond laser micromachining-based scheme for the fabrication of anisotropic waveguides and isotropic Bragg reflection gratings in lithium niobate for application in future integrated-optic spatial light modulators. In this paper, we depict progress in fabrication and characterization of anisotropic Bragg reflection gratings fabricated in lithium niobate via Type I femtosecond laser-based permittivity modulation. We furthermore depict an electromagnetic analysis of such multilayer grating structures based around coupled-wave theory for thick holographic gratings.
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Sundeep Jolly, Sundeep Jolly, Nickolaos Savidis, Nickolaos Savidis, Bianca Datta, Bianca Datta, Thrasyvoulous Karydis, Thrasyvoulous Karydis, Will Langford, Will Langford, Neil Gershenfeld, Neil Gershenfeld, V. Michael Jr. Bove, V. Michael Jr. Bove, } "Progress in fabrication of anisotropic Bragg gratings fabricated in lithium niobate via femtosecond laser micromachining", Proc. SPIE 10544, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XI, 105440D (22 February 2018); doi: 10.1117/12.2289157; https://doi.org/10.1117/12.2289157
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