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Analysis of defect mode switching response in one-dimensional photonic crystal with a nematic liquid crystal defect layer

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4 Author(s)
Ozaki, Ryotaro ; Department of Electrical and Electronic Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan ; Moritake, Hiroshi ; Yoshino, Katsumi ; Ozaki, Masanori

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We analyze the dynamic response and optical properties of a high-speed defect mode switching that is based on a tunable defect mode in a one-dimensional photonic crystal with a nematic liquid crystal defect layer. The electro-optic responses of the defect mode switching are calculated considering the director distributions in the defect layer, which are determined using continuum theory. The calculated defect mode switching exhibits a response on the order of microseconds in spite of the use of the reorientation of nematic liquid crystal molecules. From the calculation, it is found that the fast response is realized using a narrow peak shift and a fast part of the molecular reorientation. Furthermore, the dependences of the switching response are clarified on several physical parameters.

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Journal of Applied Physics  (Volume:101 ,  Issue: 3 )