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Moradi P, Bahrami A. Simultanoeus Guiding of Light and Acoustic Waves in the Phoxonic Crystal. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :841-844
URL: http://opsi.ir/article-1-1418-en.html
URL: http://opsi.ir/article-1-1418-en.html
1- Sahand University of Technology
Abstract: (2449 Views)
In this paper, we characterize a phoxonic crystal for guiding the TM-polarized light and acoustic waves at the same time through the band gap effect. The structure is made of Tungsten and poly methyl methacrylate (PMMA) which show a good contrast in their refractive indices and elastic constants. That makes it possible to fabricate the structure with a low filling fraction. High filling fraction is a problem in the fabrication process. This structure shows a complete phononic band gap with a TM-polarized photonic band gap. A waveguide with an angle of 90 degree is defined that shows light and sound can propagate through the structure without any distribution. For the simulation, finite element (FE) method, plane wave expansion (PWE) and finite difference time domain (FDTD) are used. Localization of light and sound in sub-micron structures enhance the interaction of photon and phonon through effects like photo-elastic effect (PE).
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