Group-velocity-matched multistep cascading in nonlinear photonic crystals |
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| Authors: | Saltiel Solomon M Kivshar Yuri S |
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| Affiliation: | Nonlinear Physics Center and Centre for Ultra-high bandwidth Devices for Optical Systems, Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT. |
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| Abstract: | We demonstrate that simultaneous phase- and group-velocity-matched cascaded parametric processes can be achieved in two-dimensional quadratic nonlinear photonic crystals by proper matching of noncollinear processes with front tilting of the fundamental pulse. We present examples of cascaded third- and fourth-harmonic generation in a poled LiNbO3 planar structure. |
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