Tunable terahertz waves generated by mixing two copropagating infrared beams in GaP
Optics Letters, Vol. 30, Issue 9, pp. 1030-1032 (2005)
http://dx.doi.org/10.1364/OL.30.001030
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Abstract
By mixing two copropagating coherent beams near 1 µm in a zinc blende GaP crystal, we have efficiently generated coherent terahertz (THz) waves. Such efficient conversion is made possible by use of a reststrahlen band in the THz region to achieve phase matching in an isotropic crystal. A tuning range as wide as 71.1-2830 µm(0.106-4.22 THz) was achieved, whereas the highest output peak power reached 15.6 W at 173 µm. To obtain such a tuning range we continuously tuned the wavelength of one coherent infrared beam within a bandwidth of ∼15.3 nm.
© 2005 Optical Society of America
OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
Citation
Wei Shi and Yujie J. Ding, "Tunable terahertz waves generated by mixing two copropagating infrared beams in GaP," Opt. Lett. 30, 1030-1032 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-9-1030
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