All-optical diode based on second-harmonic generation in an asymmetric waveguide

Katia Gallo, Gaetano Assanto

Journal of the Optical Society of America B · 1999 · 119 citations · 9 references

Concepts

Abstract

We numerically investigate the response of a quadratically nonlinear channel waveguide for second-harmonic generation, in which the insertion of a localized phase discontinuity allows the simple implementation of directional nonreciprocity in the fundamental-frequency transmission.

References

9