Efficient second harmonic generation by harnessing bound states in the continuum in semi-nonlinear etchless lithium niobate waveguides

Xueshi Li; Jiantao Ma; Shunfa Liu; Peinian Huang; Bo Chen; Dunzhao Wei; Jin Liu

doi:10.1038/s41377-022-01017-x

Light: Science & Applications (Nov 2022)

Efficient second harmonic generation by harnessing bound states in the continuum in semi-nonlinear etchless lithium niobate waveguides

Xueshi Li,
Jiantao Ma,
Shunfa Liu,
Peinian Huang,
Bo Chen,
Dunzhao Wei,
Jin Liu

Affiliations

Xueshi Li: State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University
Jiantao Ma: State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University
Shunfa Liu: State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University
Peinian Huang: State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University
Bo Chen: State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University
Dunzhao Wei: State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University
Jin Liu: State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University

DOI: https://doi.org/10.1038/s41377-022-01017-x
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 8

Abstract

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A semi-nonlinear waveguide in etchless silicon nitride/lithium niobate thin film based on bound states in the continuum achieves high-efficiency second harmonic generation.

Published in Light: Science & Applications

ISSN: 2047-7538 (Online)
Publisher: Nature Publishing Group
Country of publisher: United Kingdom
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics; Science: Physics: Optics. Light
Website: https://www.nature.com/lsa/

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