Surface-emitted difference frequency generation in nonferroelectric materials

Yuri H. Avetisyan; Kodo Kawase; Hiromasa Ito

doi:10.1117/12.422167

18 December 2000 Surface-emitted difference frequency generation in nonferroelectric materials

Yuri H. Avetisyan, Kodo Kawase, Hiromasa Ito

Proceedings Volume 4111, Terahertz and Gigahertz Electronics and Photonics II; (2000) https://doi.org/10.1117/12.422167
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

This paper presents a new method for surface-emitted difference frequency generation (DFG) in planar optical waveguides based on non-ferroelectric materials. The main thrust of this paper is based on the application of a slotted grating to the surface of a waveguide cover. The grating has equally spaced slots at distances equivalent tot eh wavelength of anon-linear polarization wave. DFG power emitted in the direction normal to the surface of the step- index planar waveguide is calculated. It is shown that the efficiency of frequency conversion for a surface emitting geometry is greater than that in a common collinear geometry case. This is especially true for the high-absorption wavelength region of nonlinear materials. According to our estimation, surface-emitted DFG will enable the design of compact solid-state THz-wave sources with a few mW output power.

Citation Download Citation

Yuri H. Avetisyan, Kodo Kawase, and Hiromasa Ito "Surface-emitted difference frequency generation in nonferroelectric materials", Proc. SPIE 4111, Terahertz and Gigahertz Electronics and Photonics II, (18 December 2000); https://doi.org/10.1117/12.422167

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