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Proceedings Paper

Nonlinear frequency conversion in waveguide directional couplers
Author(s): Po Dong; Andrew G. Kirk
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Paper Abstract

Nonlinear optical effects for frequency conversion require a phase-matching condition to efficiently generate a coherent field at the new wavelength. We find that the phase-matching condition can be replaced by a resonance condition when the nonlinear effect takes place in a waveguide directional coupler. We have previously reported this novel resonance phenomenon when the effect of second-harmonic generation occurs in waveguide directional couplers. In this paper, we present our detailed theory. An example of the design of such waveguide directional coupler is presented.

Paper Details

Date Published: 28 January 2005
PDF: 9 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.576911
Show Author Affiliations
Po Dong, McGill Univ. (Canada)
Andrew G. Kirk, McGill Univ. (Canada)

Published in SPIE Proceedings Vol. 5646:
Nonlinear Optical Phenomena and Applications
Qihuang Gong; Yiping Cui; Roger A. Lessard, Editor(s)

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