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Optics Letters

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  • Vol. 21, Iss. 21 — Nov. 1, 1996
  • pp: 1762–1764

Enhancement of narrow-band terahertz radiation from photoconducting antennas by optical pulse shaping

Yongqian Liu, Sang-Gyu Park, and A. M. Weiner  »View Author Affiliations


Optics Letters, Vol. 21, Issue 21, pp. 1762-1764 (1996)
http://dx.doi.org/10.1364/OL.21.001762


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Abstract

We report the use of optical pulse shaping to convert single femtosecond pulses into lower-intensity pulse sequences for excitation of photoconductive dipole antennas, which results in the generation of bursts of tunable narrow-band free-space terahertz radiation. Our experiments demonstrate that the use of such pulse sequences can significantly enhance the spectral amplitude of the narrow-band terahertz radiation by avoiding the saturation effects that occur with single-pulse excitation. Our technique also provides the capability for terahertz wave-form shaping.

© 1996 Optical Society of America

History
Original Manuscript: July 5, 1996
Published: November 1, 1996

Citation
Yongqian Liu, Sang-Gyu Park, and A. M. Weiner, "Enhancement of narrow-band terahertz radiation from photoconducting antennas by optical pulse shaping," Opt. Lett. 21, 1762-1764 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-21-1762


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