What Is the Origin of Second Harmonic Generation in Strained Silicon Waveguides?

Alessandro Trenti; Claudio Castellan; Chiara Vecchi; Alessandro Marchesini; Mattia Mancinelli; Mehr Ghulinyan; Georg Pucker; Lorenzo Pavesi

doi:10.1364/CLEO_QELS.2020.FTu3Q.4

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper FTu3Q.4
•https://doi.org/10.1364/CLEO_QELS.2020.FTu3Q.4

What Is the Origin of Second Harmonic Generation in Strained Silicon Waveguides?

Alessandro Trenti, Claudio Castellan, Chiara Vecchi, Alessandro Marchesini, Mattia Mancinelli, Mehr Ghulinyan, Georg Pucker, and Lorenzo Pavesi

CLEO: QELS_Fundamental Science 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Nonlinear Phenomena in Nano Structures (FTu3Q)

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A. Trenti, C. Castellan, C. Vecchi, A. Marchesini, M. Mancinelli, M. Ghulinyan, G. Pucker, and L. Pavesi, "What Is the Origin of Second Harmonic Generation in Strained Silicon Waveguides?," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper FTu3Q.4.

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Abstract

A study of SHG in silicon waveguides strained by a silicon nitride cladding is reported. Interestingly, the dominant role in the measured SHG is due to charges in the cladding and not from strain effect.

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