Efficient simulation of unidirectional pulse propagation in high-contrast nonlinear nanowaveguides

• Autorzy: Jonathan Andreasen , Miroslav Kolesik
• Języki publikacji: EN

Abstrakty

EN

This work demonstrates an improved method to simulate long-distance femtosecond pulse propagation in highcontrast nanowaveguides. Different from typical beam propagation methods, the foundational tool here is capable of simulating strong spatiotemporal waveform reshaping and extreme spectral dynamics. Meanwhile, the ability to fully capture effects due to index contrast in the transverse direction is retained, without requiring a decomposition of the electric field in terms of waveguide modes. These simulations can be computationally expensive, however, so cost is reduced in the improved method by considering only the waveguide core. Fields in the cladding are then properly accounted for through a boundary condition suitable for the case of total internal reflection.

Słowa kluczowe

EN

Nanophotonics; optical waveguides; nonlinear optics; computational efficiency; numerical simulation

Kategorie tematyczne

• 42.25.Bs: Wave propagation, transmission and absorption[see also 41.20.Jb—in electromagnetism; for propagation in atmosphere, see 42.68.Ay; see also 52.40.Db Electromagnetic (nonlaser) radiation interactions with plasma and 52.38-r Laser-plasma interactions—in plasma physics]
• 42.65.Jx: Beam trapping, self-focusing and defocusing; self-phase modulation
• 02.60.-x: Numerical approximation and analysis
• 42.65.Re: Ultrafast processes; optical pulse generation and pulse compression(for ultrafast spectroscopy, see 78.47.J-; for ultrafast magnetization dynamics, see 75.78.Jp)

• 78M25: Other numerical methods
• 78A40: Waves and radiation
• 34A34: Nonlinear equations and systems, general
• 78A60: Lasers, masers, optical bistability, nonlinear optics

• Wydawca: De Gruyter Open
• Czasopismo: Nanoscale Systems: Mathematical Modeling, Theory and Applications
• Rocznik: 2013
• Tom: 2
• Strony: 157-165

Daty

otrzymano

2013-06-28

poprawiono

2013-08-12

zaakceptowano

2013-08-12

online

2013-09-02

Twórcy

autor

Jonathan Andreasen

• College of Optical Sciences, University of Arizona,
  1630 E. University Blvd., 85741 Tucson, AZ, USA

autor

Miroslav Kolesik

• College of Optical Sciences, University of Arizona,
  1630 E. University Blvd., 85741 Tucson, AZ, USA
• Department of Physics, Constantine the Philosopher
  University, 94974 Nitra, Slovakia

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Identyfikatory

DOI

10.2478/nsmmt-2013-0010