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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 21 — Nov. 1, 2002
  • pp: 1935–1937

Generation of high-power terahertz pulses in a prism

M. B. Johnston, D. M. Whittaker, A. Dowd, A. G. Davies, E. H. Linfield, X. Li, and D. A. Ritchie  »View Author Affiliations


Optics Letters, Vol. 27, Issue 21, pp. 1935-1937 (2002)
http://dx.doi.org/10.1364/OL.27.001935


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Abstract

A compact, high-power emitter of half-cycle terahertz (THz) radiation is demonstrated. The device consists of an epitaxial InAs emitter upon a GaAs prism and produces THz pulses that are 20 times more powerful than those from conventional planar InAs emitters. This improvement is a direct result of reorienting the transient THz dipole such that its axis is not perpendicular to the emitting surface.

© 2002 Optical Society of America

OCIS Codes
(230.6080) Optical devices : Sources
(260.3090) Physical optics : Infrared, far
(320.7080) Ultrafast optics : Ultrafast devices

Citation
M. B. Johnston, D. M. Whittaker, A. Dowd, A. G. Davies, E. H. Linfield, X. Li, and D. A. Ritchie, "Generation of high-power terahertz pulses in a prism," Opt. Lett. 27, 1935-1937 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-21-1935

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