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Simulation of Optical Ring Resonator Based on Lithium Niobate on Insulator

H. Kumar [1], V. Janyani [1], B. Oleh [2], U. Serhij [2], S. Dmytro [2], G. Singh [1],
[1] Dept. of Electronics and Communication Engg., Malaviya National Institute of Technology Jaipur, India
[2] Inst. of Tele. Radioelectronics and Electronic Engg.,Lviv Polytechnic National University, Lviv, Ukraine
Publié en 2016

In this paper, all optical microring resonator based on Lithium Niobate on Insulator (LNOI) has been proposed. LNOI has high refractive index contrast and also show better electro-optic & acousto-optic effects. The optical ring resonator resonates when the optical path-length of the ring is equal to the integral multiple of the wavelength. The Wave Optics Module of COMSOL Multiphysics® software is used for analysis. Electromagnetic Wave, Beam Envelope physics interface is utilised to handle the propagation over distances that are many wavelengths long. A scattering boundary condition is used for outer boundaries. The notch filter shows almost zero transmittance at resonance and the notch bandwidth is calculated as 3.8 nm.

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