Nonlinear frequency conversion in waveguide directional couplers

Po Dong; Andrew G. Kirk

doi:10.1117/12.576911

28 January 2005 Nonlinear frequency conversion in waveguide directional couplers

Po Dong, Andrew G. Kirk

Proceedings Volume 5646, Nonlinear Optical Phenomena and Applications; (2005) https://doi.org/10.1117/12.576911
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

Po Dong and Andrew G. Kirk "Nonlinear frequency conversion in waveguide directional couplers", Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); https://doi.org/10.1117/12.576911

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