Second Harmonic Generation in AlGaAs Nanowaveguides

• Authors: K. Rutkowska , D. Duchesne , M. Volatier , R. Arès , V. Aimez , R. Morandotti
• Languages of publication: EN

Abstracts

EN

In this paper, we investigate semiconductor nanowaveguides (i.e. ridge waveguides with core-widths narrower than 1 μm) intended to act as novel optical light sources through nonlinear wavelength/frequency conversion. In particular, numerical calculations have been performed in order to design suitable photonic devices (fabricated in the AlGaAs/GaAs platform) capable of high efficiency second harmonic generation. Particular interest has been dedicated to the effective conversion of optical signals from 1520-1600 nm (the third telecom window) down to 760-800 nm. We demonstrate that the output wavelength (resulting from modal phase-matching) can be dynamically tuned by proper adjustment of the temperature and/or geometrical parameters of the waveguides. In addition, by changing the waveguide width it is also possible to modify the device dispersion characteristics, giving the possibility to work in the region of anomalous dispersion and thus allowing for the generation of temporal solitons.

Keywords

EN

42.82.Et; 42.65.Ky; 42.79.Nv; 42.70.Mp; 78.67.Uh

Discipline

• 42.79.Nv: Optical frequency converters
• 78.67.Uh: Nanowires
• 42.65.Ky: Frequency conversion; harmonic generation, including higher-order harmonic generation(see also 42.79.Nv Optical frequency converters)
• 42.70.Mp: Nonlinear optical crystals(see also 77.84.-s Dielectric, piezoelectric, and ferroelectric materials)
• 42.82.Et: Waveguides, couplers, and arrays(for fiber waveguides, see 42.81.Qb)

• Journal: Acta Physica Polonica A
• Year: 2011
• Volume: 120
• Issue: 4
• Pages: 725-731

Dates

published

2011-10

Contributors

author

K. Rutkowska

• Faculty of Physics, Warsaw University of Technology, Koszykowa 75, PL-00-662 Warsaw, Poland
• INRS-EMT, University of Québec, 1650 Boulevard Lionel Boulet, Varennes, Québec, J3X 1S2, Canada

author

D. Duchesne

• INRS-EMT, University of Québec, 1650 Boulevard Lionel Boulet, Varennes, Québec, J3X 1S2, Canada

author

M. Volatier

• Centre de Recherche en Nanofabrication et en Nanocaractérisation (CRN^2), Université de Sherbrooke, Sherbrooke, Québec, J1K 2R1, Canada

author

R. Arès

• Centre de Recherche en Nanofabrication et en Nanocaractérisation (CRN^2), Université de Sherbrooke, Sherbrooke, Québec, J1K 2R1, Canada

author

V. Aimez

• Centre de Recherche en Nanofabrication et en Nanocaractérisation (CRN^2), Université de Sherbrooke, Sherbrooke, Québec, J1K 2R1, Canada

author

R. Morandotti

• INRS-EMT, University of Québec, 1650 Boulevard Lionel Boulet, Varennes, Québec, J3X 1S2, Canada

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Identifiers

DOI

10.12693/APhysPolA.120.725