Plasmonic Zener tunneling in metal-dielectric waveguide arrays

Ruei Cheng Shiu, Yung Chiang Lan

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)

摘要

We elucidate in this Letter plasmonic Zener tunneling (PZT) in metal-dielectric waveguide arrays (MDWAs) by using numerical simulations and theoretical analyses. PZT in MDWAs occurs at the waveguide entrance and wherever the beam completes Bloch oscillations, because the bandgap between the first and second bands is minimal at the center of the first Brillouin zone. This feature significantly differs from that of optical Zener tunneling in dielectric waveguide arrays. The dependence of the simulated tunneling rate on the gradient of the relative permittivity of the dielectric layers correlates with the tunneling theory, thus confirming the occurrence of PZT in MDWAs.

原文English
頁(從 - 到)4179-4181
頁數3
期刊Optics Letters
36
發行號21
DOIs
出版狀態Published - 2011 十一月 1

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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