Work

High coupling efficiency grating couplers on lithium niobate on insulator

Year: 2019

Type: article

Abstract: We demonstrate monolithically defined grating couplers in Z-cut lithium niobate on insulator for efficient vertical coupling between an optical fiber and a single mode waveguide. The grating couplers exhibit ∼ 44.6%/coupler and ∼ 19.4%/coupler coupling efficiency for TE and TM polarized light respectively. Taperless grating couplers are investigated to realize a more compact design.

Source: Optics Express

DOI: 10.1364/oe.27.017681

Authors: Inna Krasnokutska, Robert J. Chapman, Jean-Luc J. Tambasco, Alberto Peruzzo

Language: English

Topic: Photorefractive and Nonlinear Optics

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,270

Funder: Australian Research Council

Awards: ARC Centre of Excellence for Quantum Computation and Communication Technology, Integrated photonic quantum simulators for quantum chemistry