Publication

Progress in fabrication of anisotropic Bragg gratings fabricated in lithium niobate via femtosecond laser micromachining

Feb. 22, 2018

Groups

Jolly, Sundeep, et al. “Progress in Fabrication of Anisotropic Bragg Gratings Fabricated in Lithium Niobate via Femtosecond Laser Micromachining.” Search the World's Largest Collection of Optics and Photonics Applied Research., International Society for Optics and Photonics, 22 Feb. 2018

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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