Phase-matched third-harmonic generation in silicon nitride waveguides-Reference-Cited by-同舟云学术

Phase-matched third-harmonic generation in silicon nitride waveguides

Published:2024-05-31 Issue:18 Volume:13 Page:3385-3393
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Vijayakumar Surendar¹^ORCID,Vyas Kaustubh²,Espinosa Daniel H. G.²^ORCID,Reshef Orad³,Song Meiting⁴,Awan Kashif Masud⁵,Choudhary Saumya¹,Cardenas Jaime¹,Boyd Robert W.¹,Dolgaleva Ksenia³²

Affiliation:

1. 248498 Institute of Optics, University of Rochester , 480 Intercampus Dr , Rochester , NY 14627 , USA

2. School of Electrical Engineering and Computer Science , 67125 University of Ottawa , 800 King Edward Ave. , Ottawa , ON , K1N 6N5 , Canada

3. Department of Physics , 67125 University of Ottawa , 25 Templeton Street, K1N 6N5 , Ottawa , ON , Canada

4. Department of Electrical and Computer Engineering , 8786 University of California Santa Barbara , Santa Barbara , CA , USA

5. 7548 Institute of Materials Science and Engineering, Washington University , St Louis , MO 63130 , USA

Abstract

Abstract Third-harmonic generation (THG) in silicon nitride waveguides is an ideal source of coherent visible light, suited for ultrafast pulse characterization, telecom signal monitoring and self-referenced comb generation due to its relatively large nonlinear susceptibility and CMOS compatibility. We demonstrate third-harmonic generation in silicon nitride waveguides where a fundamental transverse mode at 1,596 nm is phase-matched to a TM02 mode at 532 nm, confirmed by the far-field image. We experimentally measure the waveguide width-dependent phase-matched wavelength with a peak-power-normalized conversion efficiency of 5.78 × 10−7 %/W2 over a 660-μm-long interaction length.

Funder

National Science Foundation

Natural Sciences and Engineering Research Council of Canada

the Natural Sciences and Engineering Research Council of Canada, the Canada Research Chairs program, and the Canada First Research Excellence Fund award on Transformative Quantum Technologies

Ontario Early Researcher Award

the Canada First Research Excellence Fund (CFREF) program on Transformative Quantum Technologies

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2024-0120/pdf

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