Resonant photonic-crystal structures with a diffraction grating for refractive index sensing
E.A. Kadomina, E.A. Bezus, L.L. Doskolovich


Image Processing Systems Institute, Russian Academy of Sciences, Samara, Russia,
Samara State Aerospace University, Samara, Russia

Full text of article: Russian language.


A new planar configuration of an optical refractive index sensor based on the excitation of Bloch surface waves and containing a diffraction grating and a photonic crystal is proposed and numerically investigated. The structure under analysis is compared with the conventional sensor based on the Kretschmann configuration for two varying parameters: the angle and wavelength of  incident light. The results of the study may find application in the design of novel on-chip refractive index sensors and spectral filters.

photonic crystal, diffraction grating, resonance domain, Bloch surface wave, optical sensor, Maxwell's equations, Fourier modal method.

Kadomina EA, Bezus EA, Doskolovich LL. Resonant photonic-crystal structures with a diffraction grating for refractive index sensing. Computer Optics 2016; 40(2): 164-72. DOI: 10.18287/2412-6179-2016-40-2-164-172.


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