Coherent propagation of an optical pulse in a Bragg plasmon grating

A. I. Maimistov, Ildar R Gabitov, A. O. Korotkevich

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The propagation of ultrashort pulses in a dielectric medium with periodically arranged metal nanoparticles is considered theoretically. Plasmon oscillations in these particles are described by the model of an anharmonic oscillator with the driving force proportional to the electric-field strength of an electromagnetic pulse. A system of equations determining the behaviour of electromagnetic waves is obtained in the approximation of slowly varying envelopes of ultrashort pulses and medium polarisation. Under the assumption that the frequencies of the carrier wave and oscillators coincide and the Bragg resonance condition is fulfilled, the solution of the obtained equations is found, which corresponds to the solitary wave of the ultrashort-pulse field and the medium polarisation (Bragg soliton). The numerical simulation shows the formation of a Bragg soliton (from the initial Gaussian pulse of the sufficient energy) and a nonstationary solitary wave with the vanishing group velocity.

Original languageEnglish (US)
Pages (from-to)549-553
Number of pages5
JournalQuantum Electronics
Volume37
Issue number6
DOIs
StatePublished - Jun 2007

Fingerprint

Solitons
Laser pulses
solitary waves
Ultrashort pulses
gratings
propagation
pulses
oscillators
Polarization
carrier waves
Electromagnetic pulse
electromagnetic pulses
Metal nanoparticles
electric field strength
polarization
group velocity
Electromagnetic waves
electromagnetic radiation
envelopes
Electric fields

Keywords

  • Bragg solitons
  • Coherent propagation of ultrashort pulses
  • Resonance Bragg grating
  • Solitary wave

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

Coherent propagation of an optical pulse in a Bragg plasmon grating. / Maimistov, A. I.; Gabitov, Ildar R; Korotkevich, A. O.

In: Quantum Electronics, Vol. 37, No. 6, 06.2007, p. 549-553.

Research output: Contribution to journalArticle

Maimistov, A. I. ; Gabitov, Ildar R ; Korotkevich, A. O. / Coherent propagation of an optical pulse in a Bragg plasmon grating. In: Quantum Electronics. 2007 ; Vol. 37, No. 6. pp. 549-553.
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