Design of subwavelength corrugated metal waveguides for slow waves at terahertz frequencies
Applied Optics, Vol. 47, Issue 21, pp. 3694-3700 (2008)
http://dx.doi.org/10.1364/AO.47.003694
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Abstract
A subwavelength corrugated metal waveguide is studied and designed to slow down the light at terahertz frequencies. The waveguide consists of two parallel thin metal slabs with periodic corrugations on their inner boundaries. Compared with structures based on engineered surface plasmons, the proposed structure has smaller group velocity dispersion and lower propagation loss. The origin of the slow wave is also explained.
© 2008 Optical Society of America
OCIS Codes
(230.7370) Optical devices : Waveguides
(260.3910) Physical optics : Metal optics
(040.2235) Detectors : Far infrared or terahertz
(230.4555) Optical devices : Coupled resonators
ToC Category:
Optical Devices
History
Original Manuscript: April 1, 2008
Revised Manuscript: June 13, 2008
Manuscript Accepted: June 20, 2008
Published: July 11, 2008
Citation
Bowen Wang, Yi Jin, and Sailing He, "Design of subwavelength corrugated metal waveguides for slow waves at terahertz frequencies," Appl. Opt. 47, 3694-3700 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-21-3694
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