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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 20, Iss. 9 — Sep. 1, 2003
  • pp: 1894–1904

Whispering-gallery-mode cavity for terahertz pulses

Jiangquan Zhang and D. Grischkowsky  »View Author Affiliations

JOSA B, Vol. 20, Issue 9, pp. 1894-1904 (2003)

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We report an experimental and theoretical study of whispering-gallery-mode propagation of subpicosecond terahertz pulses in a dielectric cylinder coupled by means of a dielectric slab waveguide. We observed repetitive cavity pulses from this structure for which the output pulse shapes were determined by the multi-whispering-gallery-mode coupling into the cylinder. A coupled-mode theory derived for this cylindrical system and coupling structure gives reasonably good agreement with the experiment in both the frequency and time domains.

© 2003 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(250.5530) Optoelectronics : Pulse propagation and temporal solitons
(260.2110) Physical optics : Electromagnetic optics
(320.5390) Ultrafast optics : Picosecond phenomena
(320.7090) Ultrafast optics : Ultrafast lasers

Jiangquan Zhang and D. Grischkowsky, "Whispering-gallery-mode cavity for terahertz pulses," J. Opt. Soc. Am. B 20, 1894-1904 (2003)

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