Large second harmonic generation enhancement in Si3N4 waveguides by all-optically induced quasi-phase-matching

Adrien Billat; Davide Grassani; Martin H. P. Pfeiffer; Svyatoslav Kharitonov; Tobias J. Kippenberg; Camille-Sophie Brès

doi:10.1038/s41467-017-01110-5

Nature Communications (Oct 2017)

Large second harmonic generation enhancement in Si3N4 waveguides by all-optically induced quasi-phase-matching

Adrien Billat,
Davide Grassani,
Martin H. P. Pfeiffer,
Svyatoslav Kharitonov,
Tobias J. Kippenberg,
Camille-Sophie Brès

Affiliations

Adrien Billat: Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland, Photonic Systems Laboratory (PHOSL)
Davide Grassani: Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland, Photonic Systems Laboratory (PHOSL)
Martin H. P. Pfeiffer: Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland, Laboratory of Photonics and Quantum Measurements (LPQM)
Svyatoslav Kharitonov: Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland, Photonic Systems Laboratory (PHOSL)
Tobias J. Kippenberg: Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland, Laboratory of Photonics and Quantum Measurements (LPQM)
Camille-Sophie Brès: Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland, Photonic Systems Laboratory (PHOSL)

DOI: https://doi.org/10.1038/s41467-017-01110-5
Journal volume & issue: Vol. 8, no. 1
pp. 1 – 7

Abstract

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Phase-matching and quasi-phase-matching in periodically poled ferroelectrics ensure efficient harmonic generation, but only statically. Here, Billat et al. demonstrate all-optically reconfigurable second harmonic generation by inscribing a stable grating in CMOS-compatible nonlinear waveguides.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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