Broad angle phase matching in subdiffractive photonic crystals |
| |
Authors: | Cristian Nistor Crina Cojocaru Kestutis Staliunas |
| |
Affiliation: | a Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya, Colom 11, E-08222 Terrassa-Barcelona, Spain b Institució Catalana de Reserca i Estudis Avançats (ICREA), Barcelona, Spain |
| |
Abstract: | We show that photonic crystals made of materials with normal dispersion allow broad angular range phase matching in nonlinear wave mixing processes if tuned to the subdiffractive (or equivalently self-collimated) beam propagation regimes for the frequencies of both interacting waves. This allows efficient parametric mixing of narrow beams. We demonstrate this idea by numerical simulation of the second harmonic generation in two-dimensional photonic crystal in particular nonlinear material (AlGaAs) in planar waveguide geometry. |
| |
Keywords: | 230.5298 190.4410 230.7390 |
本文献已被 ScienceDirect 等数据库收录! |