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

Yuri H. Avetisyan

doi:10.1117/12.370197

12 November 1999 Cavity-enhanced terahertz region difference frequency generation in surface-emitting geometry

Yuri H. Avetisyan

Proceedings Volume 3795, Terahertz and Gigahertz Photonics; (1999) https://doi.org/10.1117/12.370197
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

It is shown that the periodically poled lithium niobate slab waveguide with specific period of poling, (lambda) /n_g (where (lambda) is a wavelength of emitted THz-wave, n_g 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.

Citation Download Citation

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

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