Immittance matching for multidimensional open-system photonic crystals
作者： Jun Ushida , Masatoshi Tokushima , Masayuki Shirane , Akiko Gomyo , Hirohito Yamada
DOI: 10.1103/PHYSREVB.68.155115
关键词:
摘要: An electromagnetic (EM) Bloch wave propagating in a photonic crystal (PC) is characterized by the immittance (impedance and admittance) of wave. The used to investigate transmission reflection at surface or an interface PC. In particular, general properties are useful for clarifying propagation characteristics. We give proof that EM waves on plane infinite one- two-dimensional (2D) PCs real when PC vector perpendicular plane. also show pure-real feature three-dimensional good approximation based numerical calculations. analytical indicates method matching extremely simplified since only part function needed analysis without verification. As application proof, we describe qualitatively evaluating semi-infinite 2D PC, between slab waveguide (WG) line-defect WG, channel WG WG.
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