Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulator

Floquet topological photonic insulators, whose light transport properties are dictated by the periodic drive sequence of the lattice, provide more flexibility for controlling and trapping light than undriven topological insulators. This can enable novel nonlinear optics applications in topological p...

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Main Authors: T. J. Zimmerling, S. Afzal, V. Van
Format: Article
Language:English
Published: AIP Publishing LLC 2022-05-01
Series:APL Photonics
Online Access:http://dx.doi.org/10.1063/5.0087217
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author T. J. Zimmerling
S. Afzal
V. Van
author_facet T. J. Zimmerling
S. Afzal
V. Van
author_sort T. J. Zimmerling
collection DOAJ
description Floquet topological photonic insulators, whose light transport properties are dictated by the periodic drive sequence of the lattice, provide more flexibility for controlling and trapping light than undriven topological insulators. This can enable novel nonlinear optics applications in topological photonics. Here, we employ a novel resonance effect called Floquet Defect Mode Resonance (FDMR) in a 2D silicon Floquet microring lattice to demonstrate resonance-enhanced frequency generation by four-wave mixing of Floquet bulk modes in the presence of Kerr nonlinearity. The compact, cavity-less resonance mode, induced through a periodic perturbation of the lattice drive sequence, has the largest reported Q-factor for a 2D topological resonator of ∼105 with low group velocity dispersion, which enables efficient broadband frequency generation over several Floquet–Brillouin zones of the Floquet topological insulator. We achieved wavelength conversion over a 10.1 nm spectral range with an average enhancement of 12.5 dB in the conversion efficiency due to the FDMR. Our work could lead to robust light sources generated directly on a topologically protected photonic platform.
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spelling doaj.art-98747f3b343d445c9c686dd8894a4f482022-12-22T00:49:29ZengAIP Publishing LLCAPL Photonics2378-09672022-05-0175056104056104-710.1063/5.0087217Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulatorT. J. Zimmerling0S. Afzal1V. Van2Department of Electrical and Computer Engineering, Faculty of Engineering, University of Alberta, Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, Canada T6G 1H9Department of Electrical and Computer Engineering, Faculty of Engineering, University of Alberta, Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, Canada T6G 1H9Department of Electrical and Computer Engineering, Faculty of Engineering, University of Alberta, Donadeo Innovation Centre for Engineering, 9211 116 Street NW, Edmonton, Alberta, Canada T6G 1H9Floquet topological photonic insulators, whose light transport properties are dictated by the periodic drive sequence of the lattice, provide more flexibility for controlling and trapping light than undriven topological insulators. This can enable novel nonlinear optics applications in topological photonics. Here, we employ a novel resonance effect called Floquet Defect Mode Resonance (FDMR) in a 2D silicon Floquet microring lattice to demonstrate resonance-enhanced frequency generation by four-wave mixing of Floquet bulk modes in the presence of Kerr nonlinearity. The compact, cavity-less resonance mode, induced through a periodic perturbation of the lattice drive sequence, has the largest reported Q-factor for a 2D topological resonator of ∼105 with low group velocity dispersion, which enables efficient broadband frequency generation over several Floquet–Brillouin zones of the Floquet topological insulator. We achieved wavelength conversion over a 10.1 nm spectral range with an average enhancement of 12.5 dB in the conversion efficiency due to the FDMR. Our work could lead to robust light sources generated directly on a topologically protected photonic platform.http://dx.doi.org/10.1063/5.0087217
spellingShingle T. J. Zimmerling
S. Afzal
V. Van
Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulator
APL Photonics
title Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulator
title_full Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulator
title_fullStr Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulator
title_full_unstemmed Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulator
title_short Broadband resonance-enhanced frequency generation by four-wave mixing in a silicon Floquet topological photonic insulator
title_sort broadband resonance enhanced frequency generation by four wave mixing in a silicon floquet topological photonic insulator
url http://dx.doi.org/10.1063/5.0087217
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