Spatial modulation of a light beam reflected from a nonlinear DFB-structure

A. A. Afanas'ev, V. V. Dritz, E. G. Tolkacheva

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Spatial reflected radiation dynamics is studied when a powerful light beam propagates through a nonlinear DFB-structure. The spatial reflected radiation characteristics depending on Bragg detuning and input Gaussian beam parameters are investigated using numerical simulations. The spatial spectrum of the reflected radiation modes is analytically found for the input pulse with a quadratic shape. It is shown that the process of formation of the reflected beam spatial profile is determined by the self-influence effects and the nonlinear Bragg detuning value. The reflected radiation intensity has, as a rule, a ring-shaped structure.

Original languageEnglish (US)
Pages (from-to)236-241
Number of pages6
JournalOptics Communications
Volume148
Issue number4-6
DOIs
StatePublished - Mar 15 1998

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reflected waves
light beams
Modulation
modulation
Radiation
Gaussian beams
radiant flux density
rings
Computer simulation
profiles
pulses
simulation

Cite this

Spatial modulation of a light beam reflected from a nonlinear DFB-structure. / Afanas'ev, A. A.; Dritz, V. V.; Tolkacheva, E. G.

In: Optics Communications, Vol. 148, No. 4-6, 15.03.1998, p. 236-241.

Research output: Contribution to journalArticle

Afanas'ev, A. A. ; Dritz, V. V. ; Tolkacheva, E. G. / Spatial modulation of a light beam reflected from a nonlinear DFB-structure. In: Optics Communications. 1998 ; Vol. 148, No. 4-6. pp. 236-241.
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