High-Q terahertz Bragg resonances within a metal parallel plate waveguide | Zendy

S. Sree Harsha | Zendy; N. Laman | Zendy; D. Grischkowsky | Zendy

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High-Q terahertz Bragg resonances within a metal parallel plate waveguide

Author(s) -

S. Sree Harsha,

N. Laman,

D. Grischkowsky

Publication year - 2009

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3094919

Subject(s) - terahertz radiation , materials science , waveguide , optics , optoelectronics , dielectric , bragg's law , physics , diffraction

One-dimensional (1D) Bragg waveguides are demonstrated at terahertz (THz) frequencies. Lithographically made 1D symmetric and asymmetric dielectric gratings on metallized high conductivity Si chips are incorporated within metal parallel plate waveguides to form Bragg waveguides. These waveguides have high throughput and have Bragg resonances with linewidths approaching 6 GHz and Q as high as 430. These high-Q resonant Bragg waveguides are excellent structures for applications in THz sensing.

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