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Optics Letters

Optics Letters


  • 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)

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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

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

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)

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