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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 11 — Jun. 1, 2007
  • pp: 1423–1425

Resonant terahertz generation from InN thin films

Xiaodong Mu, Yujie J. Ding, Kejia Wang, Debdeep Jena, and Yuliya B. Zotova  »View Author Affiliations


Optics Letters, Vol. 32, Issue 11, pp. 1423-1425 (2007)
http://dx.doi.org/10.1364/OL.32.001423


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Abstract

Highly efficient conversion from ultrafast optical pulses to their terahertz (THz) counterparts has been achieved with InN thin films. An average THz output power as high as 0.931 μ W has been obtained for an average pump power of 1 W , corresponding to a normalized conversion efficiency of 190 % mm 2 . Based on our measured dependences of the THz output power on pump polarization, incident angle, pump power, and InN film thickness, resonance-enhanced optical rectification is one of the most plausible mechanisms for the THz generation in the InN films.

© 2007 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: January 19, 2007
Revised Manuscript: February 8, 2007
Manuscript Accepted: March 4, 2007
Published: April 30, 2007

Citation
Xiaodong Mu, Yujie J. Ding, Kejia Wang, Debdeep Jena, and Yuliya B. Zotova, "Resonant terahertz generation from InN thin films," Opt. Lett. 32, 1423-1425 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-11-1423


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