Characterization of photonic bands in metal photonic crystal slabs

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 2014 English Publisher:Elsevier BVJournal:Optics Communications, volume 333, pages 232-236 (issn: 0030-4018,

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Authors: Lin Chen; Khanh Viet Truong; Zhaoxiang Cheng; Zhou Li; Yiming Zhu;

doi: 10.1016/j.optcom.2014.07.045

Characterization of photonic bands in metal photonic crystal slabs

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Abstract

Abstract By rotating metal photonic crystal (PC) slab around ΓK and ΓM lattice directions, transmission spectra were measured to study photonic bands in such metal PC with a triangular lattice. We found that the photonic band diagram for the ΓM lattice direction is different from that for the ΓK direction. Approximate formulas of angular-dependent resonant frequencies are derived to quantitatively analysis the dispersion of metal PC. Furthermore, experimental results for the dominant resonances of (−1, 0) ( ΓM ) and (0,–1) ( ΓK ) confirm the accurate of formulas. All these results can be used to analyze and design devices based on metal PC.

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University of Shanghai for Science and Technology
China (People's Republic of)

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