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Light Dispersion in Diamond-like Crystals

Received: 2 May 2019     Accepted: 3 June 2019     Published: 18 June 2019
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Abstract

Dispersion of light in diamond-like crystals is investigated. Dispersion laws of exciton polaritons in this structures, which (apart from the diamond itself) include silicon and germanium is obtained within the quasi-molecular model of valent crystals. Dispersion curves point to the fact that in the vicinity of exciton resonance under small damping one must account for the exciton-photon interaction. The calculation shows that in a certain frequency range the existence of an additional light wave is possible. The dispersion laws of exciton polaritons in a diamond-like structure in the vicinity of frequency of the lowest dipole transition of a crystalline quasi-molecule (a σ-bond) are obtained.

Published in Journal of Photonic Materials and Technology (Volume 5, Issue 1)
DOI 10.11648/j.jmpt.20190501.14
Page(s) 16-23
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Diamond-like Crystals, Light Dispersion, Exciton Polaritons

References
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[8] V. V. Rumyntsev, “Dispersion of exciton polaritons in atomic cryocrystals”, Ukrainian Journal of Physics, v. 35, No. 12, pp. 1783-1791, 1990.
[9] V. V. Rumyntsev, “Interaction of Electromagnetic Radiation and Light Particles with Imperfect Crystalline Media”, Nord-Press: Donetsk, 2006. 347p. [in Russian].
[10] P. P. Ewald, “Die Berechnung optischer und elektrostatischer Getterpotentiale”, Ann. Phys. Bd. 64, No. 4, S. 253-287, 1921.
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[12] W. Hanke, L. J. Sham, “Local field and excitonic effects in the optical spectrum of a covalent crystal”, Phys. Rev. No. 10, pp. 4501-4511, 1975.
[13] V. V. Rumyntsev, “Optical anisotropy of atomic cryocrystals in the vicinity of exciton resonance”, Crystallography Reports, v. 36, No. 6, pp. 1346-1351, 1991.
[14] K. B. Tolpygo, V. M. Shatalov, “The no-current excitation states in homopolar semiconductors”, Ukrainian Journal of Physics, v. 20, No. 9, pp. 1476-1483, 1975.
[15] V. V. Rumyntsev, “Optical anisotropy and additional light waves in diamond structure crystals”, Ukrainian Journal of Physics, v. 34, No. 9, pp. 1316-1321, 1989.
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[17] Yuri Pivovarenko, “Laser-Induced Fluorescence of Wet Porous Silicon as Laser-Induced Fluorescence of H3O+”, Journal of Photonic Materials and Technology, v. 5 (1), pp. 11-15, 2019.
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    Vladimir Rumyantsev. (2019). Light Dispersion in Diamond-like Crystals. Journal of Photonic Materials and Technology, 5(1), 16-23. https://doi.org/10.11648/j.jmpt.20190501.14

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    ACS Style

    Vladimir Rumyantsev. Light Dispersion in Diamond-like Crystals. J. Photonic Mater. Technol. 2019, 5(1), 16-23. doi: 10.11648/j.jmpt.20190501.14

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    AMA Style

    Vladimir Rumyantsev. Light Dispersion in Diamond-like Crystals. J Photonic Mater Technol. 2019;5(1):16-23. doi: 10.11648/j.jmpt.20190501.14

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  • @article{10.11648/j.jmpt.20190501.14,
      author = {Vladimir Rumyantsev},
      title = {Light Dispersion in Diamond-like Crystals},
      journal = {Journal of Photonic Materials and Technology},
      volume = {5},
      number = {1},
      pages = {16-23},
      doi = {10.11648/j.jmpt.20190501.14},
      url = {https://doi.org/10.11648/j.jmpt.20190501.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jmpt.20190501.14},
      abstract = {Dispersion of light in diamond-like crystals is investigated. Dispersion laws of exciton polaritons in this structures, which (apart from the diamond itself) include silicon and germanium is obtained within the quasi-molecular model of valent crystals. Dispersion curves point to the fact that in the vicinity of exciton resonance under small damping one must account for the exciton-photon interaction. The calculation shows that in a certain frequency range the existence of an additional light wave is possible. The dispersion laws of exciton polaritons in a diamond-like structure in the vicinity of frequency of the lowest dipole transition of a crystalline quasi-molecule (a σ-bond) are obtained.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Light Dispersion in Diamond-like Crystals
    AU  - Vladimir Rumyantsev
    Y1  - 2019/06/18
    PY  - 2019
    N1  - https://doi.org/10.11648/j.jmpt.20190501.14
    DO  - 10.11648/j.jmpt.20190501.14
    T2  - Journal of Photonic Materials and Technology
    JF  - Journal of Photonic Materials and Technology
    JO  - Journal of Photonic Materials and Technology
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    PB  - Science Publishing Group
    SN  - 2469-8431
    UR  - https://doi.org/10.11648/j.jmpt.20190501.14
    AB  - Dispersion of light in diamond-like crystals is investigated. Dispersion laws of exciton polaritons in this structures, which (apart from the diamond itself) include silicon and germanium is obtained within the quasi-molecular model of valent crystals. Dispersion curves point to the fact that in the vicinity of exciton resonance under small damping one must account for the exciton-photon interaction. The calculation shows that in a certain frequency range the existence of an additional light wave is possible. The dispersion laws of exciton polaritons in a diamond-like structure in the vicinity of frequency of the lowest dipole transition of a crystalline quasi-molecule (a σ-bond) are obtained.
    VL  - 5
    IS  - 1
    ER  - 

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Author Information
  • Department of Theory of Complex Systems Dynamic Properties, A. A. Galkin Institute for Physics & Engineering, Donetsk, Ukraine

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