Modeling and optimization of the excitonic diffraction grating

P. Y.U. Shapochkin, Y. U.V. Petrov, S. A. Eliseev, V. A. Lovcjus, Y. U.P. Efimov, Y. U.V. Kapitonov

Research output

Abstract

Periodical spatial modulation of the excitonic resonance in a quantum well could lead to the formation of a new highly directional and resonant coherent optical response—resonant diffraction. Such excitonic diffraction gratings were demonstrated in epitaxially grown quantum wells patterned by low-dose ion beam irradiation before or after the growth. In this paper we present a theoretical model of the resonant diffraction formation based on the step-by-step approximation of the Maxwell equation solution. The resulting theory allows us to reliably describe experimental data as well as to predict a way to increase the diffraction efficiency.

Original languageEnglish
Pages (from-to)1505-1511
Number of pages7
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume36
Issue number9
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Diffraction gratings
gratings (spectra)
Semiconductor quantum wells
Diffraction
optimization
Diffraction efficiency
Maxwell equations
diffraction
quantum wells
Ion beams
Dosimetry
Modulation
Irradiation
Maxwell equation
ion beams
modulation
dosage
irradiation
approximation

Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Computer Vision and Pattern Recognition

Cite this

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AU - Shapochkin, P. Y.U.

AU - Petrov, Y. U.V.

AU - Eliseev, S. A.

AU - Lovcjus, V. A.

AU - Efimov, Y. U.P.

AU - Kapitonov, Y. U.V.

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AB - Periodical spatial modulation of the excitonic resonance in a quantum well could lead to the formation of a new highly directional and resonant coherent optical response—resonant diffraction. Such excitonic diffraction gratings were demonstrated in epitaxially grown quantum wells patterned by low-dose ion beam irradiation before or after the growth. In this paper we present a theoretical model of the resonant diffraction formation based on the step-by-step approximation of the Maxwell equation solution. The resulting theory allows us to reliably describe experimental data as well as to predict a way to increase the diffraction efficiency.

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