Supercontinuum generation in dispersion engineered AlGaAs-on-insulator waveguides

May, S. , Clerici, M. and Sorel, M. (2021) Supercontinuum generation in dispersion engineered AlGaAs-on-insulator waveguides. Scientific Reports, 11, 2052. (doi: 10.1038/s41598-021-81555-3) (PMID:33479455) (PMCID:PMC7820398)

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The effect of engineering the dispersion of AlGaAs-on-insulator (AlGaAs-OI) waveguides on supercontinuum generation is investigated at telecom wavelengths. The pronounced effect the waveguide width has on the nonlinear dynamics governing the supercontinua is systematically analyzed and the coherence of the spectra verified with numerical simulations. Using dispersion engineered AlGaAs-OI waveguides, broadband supercontinua were readily obtained for pulse energies of ∼3 pJ and a device length of only 3 mm. The results presented here, further understanding of the design and fabrication of this novel platform and describe the soliton and dispersive wave dynamics responsible for supercontinuum generation. This study showcases the potential of AlGaAs-OI for exploring fundamental physics and realizing highly efficient, compact, nonlinear devices.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Sorel, Professor Marc and May, Mr Stuart and Clerici, Dr Matteo
Authors: May, S., Clerici, M., and Sorel, M.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Scientific Reports
Publisher:Nature Research
ISSN (Online):2045-2322
Copyright Holders:Copyright © 2021 The Authors
First Published:First published in Scientific Reports 11: 2052
Publisher Policy:Reproduced under a Creative Commons License
Data DOI:10.5525/gla.researchdata.1105

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
173076Compact visible frequency combsMarc SorelEngineering and Physical Sciences Research Council (EPSRC)EP/P005624/1ENG - Electronics & Nanoscale Engineering
302459Infrared time-domain quantum opticsMatteo ClericiEngineering and Physical Sciences Research Council (EPSRC)EP/S001573/1ENG - Electronics & Nanoscale Engineering
309734Few-cycle pulses for air plasma physicsMatteo ClericiThe Royal Society (ROYSOC)RGS\R1\201365ENG - Electronics & Nanoscale Engineering