Complete photonic band gaps in Sn2P2X6 (X = S, Se) supercell photonic crystals
Date
2020-04
Advisor
Instructor
Source Title
Ferroelectrics
Print ISSN
0015-0193
Electronic ISSN
Publisher
Taylor & Francis
Volume
557
Issue
1
Pages
92 - 97
Language
English
Type
Article
Journal Title
Journal ISSN
Volume Title
Abstract
In this work, we present an investigation of the optical properties and band structures for the photonic crystal structures (PCs) based on Sn2P2X6: X = S, Se) with Fibonacci superlattices. The optical properties of PCs can be tuned by varying structure parameters such as the lengths of poled domains, filling factor, and dispersion relation. In our simulation, we employed the finite-difference time domain technique and the plane wave expansion method, which implies the solution of Maxwell equations with centered finite-difference expressions for the space and time derivatives.
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Keywords
Photonic crystal, Fibonacci, Sn2P2S6, Sn2P2Se6