Generation of 1D interference patterns of Bloch surface waves

Interference patterns of Bloch surface waves with a period that is significantly less than the wavelength of incident radiation are formed using dielectric diffraction gratings located on the surface of photonic crystal. The simulation based on electromagnetic diffraction theory is used to demonstra...

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Bibliographic Details
Published in:Technical physics 2016-09, Vol.61 (9), p.1389-1394
Main Authors: Kadomina, E. A., Bezus, E. A., Doskolovich, L. L.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Electromagnetic radiation
Electromagnetism
Optics
Physics
Physics and Astronomy
Surface waves
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Summary:Interference patterns of Bloch surface waves with a period that is significantly less than the wavelength of incident radiation are formed using dielectric diffraction gratings located on the surface of photonic crystal. The simulation based on electromagnetic diffraction theory is used to demonstrate the possibility of high-quality interference patterns due to resonant enhancement of higher evanescent diffraction orders related to the excitation of the Bloch surface waves. The contrast of the interference patterns is close to unity, and the period is less than the period of the diffraction structure by an order of magnitude.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784216090103