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Proceedings Article

Cavity-enhanced terahertz region difference frequency generation in surface-emitting geometry

[+] Author Affiliations
Yuri H. Avetisyan

Yerevan State Univ. (Armenia)

Proc. SPIE 3795, Terahertz and Gigahertz Photonics, 501 (November 12, 1999); doi:10.1117/12.370197
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From Conference Volume 3795

  • Terahertz and Gigahertz Photonics
  • R. Jennifer Hwu; Ke Wu
  • Denver, CO, USA | July 18, 1999

abstract

It is shown that the periodically poled lithium niobate slab waveguide with specific period of poling, (lambda) /ng (where (lambda) is a wavelength of emitted THz-wave, ng is a refractive index of group velocity of light) is capable to emit the difference frequency generation (DFG) in the direction normal to the surface of a waveguide. The general expression for power of DFG in doubly resonant cavity (resonance both at a pumping and at difference frequencies) has been obtained. According to estimation the power of DFG is 0.33 mW for pumping power 1 W. Thus the double resonant cavity-enhanced surface-emitted DFG enables to design compact solid-state source of THz waves with the output power sufficient for the practical applications.

© (1999) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Yuri H. Avetisyan
"Cavity-enhanced terahertz region difference frequency generation in surface-emitting geometry", Proc. SPIE 3795, Terahertz and Gigahertz Photonics, 501 (November 12, 1999); doi:10.1117/12.370197; http://dx.doi.org/10.1117/12.370197


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