IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
DFG-based microwave /millimeter-wave signal generation device by using LiTaO3 rectangular waveguide
Quang Hong NgoHiroshi MurataYasuyuki Okamura
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2011 Volume 8 Issue 22 Pages 1892-1898

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Abstract

We propose a microwave/millimeter-wave signal generation device using difference frequency generation in a rectangular waveguide embedded with a nonlinear LiTaO3 crystal. The rectangular waveguide is designed as a single-guided mode structure for the generated microwave/millimeter-wave signal. Dispersion of the rectangular waveguide is also utilized to obtain a phase matching condition between the input lightwaves and the generated microwave/millimeter-wave. In the experiment, a 25GHz signal was successfully generated. Microwave characteristics of the proposed device were also investigated by using a 3-D electromagnetic wave analysis software. We expect the proposed device is applicable for higher-frequency microwave/millimeter-wave signal generation.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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