THz parallel plate photonic waveguides

被引：78

作者：

Bingham, A ^{[1
]}

Zhao, Y ^{[1
]}

Grischkowsky, D ^{[1
]}

机构：

[1] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 05期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.1997273

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have observed narrowband transmission or rejection in the frequency spectra of THz pulses transmitted through air-spaced parallel plate photonic waveguides. These waveguides have one of the metal plates covered by a silicon plate with a metallic photonic band gap (PBG) surface precisely fabricated by lithographic techniques. We use two different PBG surface types: an array of metallic cylindrical pillars, and an array of metallic cylindrical holes. With the inversion of the PBG structures from cylinders to holes, the output spectra changes from narrow bandpass to narrow band-reject filtering. These photonic waveguides show extremely sharp spectral responses in regions as large as 1 THz, with stop bands or transmission bands having contrasts of as much as 90 dB. (c) 2005 American Institute of Physics.

引用

页数：3

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