Energy flux optimization in 1D multiperiodic four-component photonic crystals

• Published in: Optics communications Vol. 489; p. 126875
• Main Authors: Panyaev, Ivan S., Sannikov, Dmitry G., Dadoenkova, Nataliya N., Dadoenkova, Yuliya S.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.06.2021; Elsevier
• Subjects: Energy fluxes; Optics; Photonic bandgap; Photonic crystal; Physics; Photonic bandgap; Photonic crystal; Energy fluxes
• ISSN: 0030-4018; 1873-0310
• DOI: 10.1016/j.optcom.2021.126875

The results of theoretical and numerical studies of finite one-dimensional (1D) three-periodic photonic crystals of the structure [(ab)3(cd)3]3, consisting of four different materials (dielectric oxides Al2O3, SiO 2, TiO 2, and ZrO 2) are presented. We study the transmittivity spectra and partial energy fluxes of the TE- and TM-modes in the range of 1–5 μm in the vicinity of the first photonic bandgap depending on the incidence angle and frequency of light. The obtained results can be used to create precise polarization-sensitive devices for an input–output of the radiation into an optical fiber. The optimization of the considered multiperiodic structures has been achieved at the telecommunication wavelength 1.55 μm both by changing incidence angle and adjusting the topology (i.e. thicknesses of the constituent layers). We discuss a principle of a new type of polarization splitter on the basis of three-periodic photonic crystal. •Intraband TE- and TM-modes arise in the transmission spectra of the [(ab)N(cd)M]K structure.•Energy flux density of these modes has the “checkerboard”- like distribution.•The structure can be used as polarization-sensitive and splitting devices in fiber optics.•A high precision polarization-sensitive angle sensor based on the structure is proposed.