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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 10 — May. 15, 2006
  • pp: 1534–1536

Terahertz demonstrations of effectively two-dimensional photonic bandgap structures

Yuguang Zhao and D. Grischkowsky  »View Author Affiliations


Optics Letters, Vol. 31, Issue 10, pp. 1534-1536 (2006)
http://dx.doi.org/10.1364/OL.31.001534


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Abstract

We demonstrate effectively two-dimensional (2D) terahertz (THz) photonic bandgap (PBG) structures for transverse electromagnetic (TEM) mode propagation within metal parallel plate waveguides (PPWG). The 2D-PBG structures consisting of square arrays of dielectric cylinders were characterized by THz time-domain spectroscopy (THz-TDS). THz photonic bandgaps were observed, as determined by the 160 μ m lattice constant, the 65 μ m diameter, and the dielectric constant of the cylinders. The experimental measurements were fitted with excellent agreement to 2D theory, confirming that for TEM mode propagation, effectively 2D propagation experiments can be achieved within the bounded space of the PPWG.

© 2006 Optical Society of America

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(300.6270) Spectroscopy : Spectroscopy, far infrared

ToC Category:
Optoelectronics

History
Original Manuscript: January 19, 2006
Revised Manuscript: February 20, 2006
Manuscript Accepted: February 24, 2006

Citation
Yuguang Zhao and D. Grischkowsky, "Terahertz demonstrations of effectively two-dimensional photonic bandgap structures," Opt. Lett. 31, 1534-1536 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-10-1534


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