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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 20 — Sep. 26, 2011
  • pp: 19114–19121

Tunable narrowband THz pulse generation in scalable large area photoconductive antennas

Johannes Krause, Martin Wagner, Stephan Winnerl, Manfred Helm, and Dominik Stehr  »View Author Affiliations


Optics Express, Vol. 19, Issue 20, pp. 19114-19121 (2011)
http://dx.doi.org/10.1364/OE.19.019114


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Abstract

The generation and characterization of narrowband THz pulses by means of chirped pulse difference frequency generation in Auston-switch type photoconductive antennas is reported. Using optical pulses with energies in the range from 1 nJ to 1µJ, we generate THz pulses with up to 50 pJ in energy and electric field strengths on the order of 1 kV/cm. Two emitter concepts are investigated and circumvention of the fast saturation for small area excitation by scaling of the THz emitter is demonstrated.

© 2011 OSA

OCIS Codes
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 8, 2011
Revised Manuscript: August 26, 2011
Manuscript Accepted: September 2, 2011
Published: September 16, 2011

Citation
Johannes Krause, Martin Wagner, Stephan Winnerl, Manfred Helm, and Dominik Stehr, "Tunable narrowband THz pulse generation in scalable large area photoconductive antennas," Opt. Express 19, 19114-19121 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-20-19114


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