Paper
22 February 2018 Progress in fabrication of anisotropic Bragg gratings fabricated in lithium niobate via femtosecond laser micromachining
Sundeep Jolly, Nickolaos Savidis, Bianca Datta, Thrasyvoulous Karydis, Will Langford, Neil Gershenfeld, V. Michael Jr. Bove
Author Affiliations +
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, Nickolaos Savidis, Bianca Datta, Thrasyvoulous Karydis, Will Langford, Neil Gershenfeld, and 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); https://doi.org/10.1117/12.2289157
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KEYWORDS
Femtosecond phenomena

Lithium niobate

Diffraction gratings

Femtosecond laser micromachining

Modulation

Holography

Waveguides

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