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Proceedings Paper

Double Doppler effect in two-dimensional photonic crystal with negative effective index
Author(s): Qiang Jiang; Jiabi Chen; Binming Liang; Songlin Zhuang
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Paper Abstract

The inverse Doppler effect in photonic crystal with negative refractive index had been proofed experimentally in our previous research. In this paper, we studied the spatial harmonics of Bloch wave propagating in such PhCs by FFT method. The lagging and front phase evolutions reveal that both backward wave and forward wave exist in these harmonics. Subsequently, we studied the double Doppler effect phenomenon that both the normal and inverse Doppler exist in one photonic crystal simultaneously by using the improved dynamic FDTD method which we made it suitable for dealing with moving objects. The simulative Doppler frequency shifts were consistent with the theoretical values. Our study provides a potential technology in measurement area.

Paper Details

Date Published: 17 November 2016
PDF: 9 pages
Proc. SPIE 10027, Nanophotonics and Micro/Nano Optics III, 1002707 (17 November 2016); doi: 10.1117/12.2248662
Show Author Affiliations
Qiang Jiang, Univ. of Shanghai for Science and Technology (China)
Jiabi Chen, Univ. of Shanghai for Science and Technology (China)
Binming Liang, Univ. of Shanghai for Science and Technology (China)
Songlin Zhuang, Univ. of Shanghai for Science and Technology (China)

Published in SPIE Proceedings Vol. 10027:
Nanophotonics and Micro/Nano Optics III
Zhiping Zhou; Kazumi Wada, Editor(s)

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