Authors:	N. Poulvellarie, U.D. Dave, K. Alexander, C. Ciret, M. Billet, C. Mas Arabi, F. Raineri, S. Combrie, A. De Rossi, G. Roelkens, S-P. Gorza, B. Kuyken, F. Leo
Title:	Second Harmonic Generation Enabled by Longitudinal Electric Field Components in Photonic Wire Waveguides
Format:	International Journal
Publication date:	8/2020
Journal/Conference/Book:	Physical Review A
Volume(Issue):	p.023521 (6 pages)
DOI:	10.1103/PhysRevA.102.023521
Citations:	9 (Dimensions.ai - last update: 14/4/2024) 1 (OpenCitations - last update: 3/5/2024) Look up on Google Scholar
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Abstract

We investigate second harmonic generation in III-V semiconductor wire waveguides aligned with a crystallographic axis. We experimentally study the impact of the propagation direction on the conversion efficiency and confirm the role played by the longitudinal components through the excitation of an antisymmetric second harmonic higher order mode.

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