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Nonlinear coupling in discrete optical waveguide arrays with quadratic nonlinearity

  • We demonstrate nonlinear coupling in a discrete optical system. This is achieved in waveguide arrays with quadratic nonlinearity, where the symmetries of the nonlinearly interacting waveguide modes are used to suppress the usually dominating nonlinear effects within individual waveguides. We derive a mathematical model to describe the nonlinear coupling in such waveguide arrays and show experimentally the profound effects of this nonlinear coupling mechanism on second-harmonic generation.

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Metadaten
Author:Frank SetzpfandtORCiD, Wolfgang Sohler, Roland SchiekORCiD, Thomas PertschORCiD
DOI:https://doi.org/10.1103/PhysRevA.92.043832
Parent Title (English):Physical Review A
Publisher:American Physical Society
Document Type:Article
Language:English
Year of first Publication:2015
Release Date:2022/07/15
Tag:BLOCH OSCILLATIONS; DYNAMICS; LIQUID-CRYSTALS; PHOTONIC LATTICES; PROPAGATION; SOLITONS
Volume:92
Issue:4
Article Number:043832
Institutes:Fakultät Elektro- und Informationstechnik
Begutachtungsstatus:peer-reviewed
research focus:Information und Kommunikation
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG