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Nonlinear spectral-spatial control and localization of supercontinuum radiation |
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| Authors: | Neshev Dragomir N Sukhorukov Andrey A Dreischuh Alexander Fischer Robert Ha Sangwoo Bolger Jeremy Bui Lam Krolikowski Wieslaw Eggleton Benjamin J Mitchell Arnan Austin Michael W Kivshar Yuri S |
| Affiliation: | Centre for Ultra-high Bandwidth Devices for Optical Systems (CUDOS), Nonlinear Physics Centre and Laser Physics Centre, Research School of Physical Science and Engineering, Australian National University, Canberra ACT 0200, Australia. |
| Abstract: | We present the first observation of spatiospectral control and localization of supercontinuum light through the nonlinear interaction of spectral components in extended periodic structures. We use an array of optical waveguides in a LiNbO3 crystal and employ the interplay between diffraction and nonlinearity to dynamically control the output spectrum of the supercontinuum radiation. This effect presents an efficient scheme for optically tunable spectral filtering of supercontinua. |
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