Resonant combinatorial frequency generation induced by a PT-symmetric periodic layered stack

Oksana V. Shramkova, Giorgos P. Tsironis

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The nonlinear interaction of waves in PT-symmetric periodic stacks with an embedded nonlinear anisotropic dielectric layer illuminated by plane waves of two tones is examined. The three-wave interaction technique is applied to study the nonlinear processes. It is shown that the intensity of the three-wave mixing process can be significantly enhanced in resonant cavities based on PT-symmetric periodic structures, especially as the pumping wave frequency is near the coherent perfect absorber-lasing resonances. The main mechanisms and properties of the combinatorial frequency generation and emission from the stacks are illustrated by the simulation results and the effect of the layer arrangement in PT-symmetric walls of resonator on the stack nonlinear response is discussed. The enhanced efficiency of the frequency conversion at Wolf-Bragg resonances is demonstrated. It has been shown that Wolf-Bragg resonances of very high orders may lead to the global maxima and nulls of the scattered field. The analysis of the effect of losses in nonlinear dielectric layer on the combinatorial frequency generation efficiency has shown that the rate of losses may amplify the intensity of the frequency mixing process.

Original languageEnglish
Article number5000307
JournalIEEE Journal on Selected Topics in Quantum Electronics
Volume22
Issue number5
DOIs
Publication statusPublished - Sep 1 2016
Externally publishedYes

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wolves
frequency converters
wave interaction
cavity resonators
Cavity resonators
Periodic structures
lasing
absorbers
pumping
plane waves
resonators
Resonators
simulation
interactions

Keywords

  • Combinatorial frequency generation
  • nonlinear dielectric
  • periodic structure
  • PT-symmetry
  • three-wave mixing

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Resonant combinatorial frequency generation induced by a PT-symmetric periodic layered stack. / Shramkova, Oksana V.; Tsironis, Giorgos P.

In: IEEE Journal on Selected Topics in Quantum Electronics, Vol. 22, No. 5, 5000307, 01.09.2016.

Research output: Contribution to journalArticle

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