학술논문

Design and resonator-assisted characterization of low-loss waveguide crossings on thin-film lithium niobate
Document Type
Conference
Source
2023 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2023 Conference on. :1-2 May, 2023
Subject
Photonics and Electrooptics
Lithium niobate
Crosstalk
Waveguide lasers
Insertion loss
Lasers and electrooptics
Electro-optical waveguides
Language
Abstract
We report thin-film lithium niobate waveguide crossings along three crystal-routing directions, which are precisely characterized by a novel resonator-based method, showing insertion loss of 0.070 dB and crosstalk of -50 dB at 1550 nm.