Spatiotemporal nonlinear optics in arrays of subwavelength waveguides

Reference:

Gorbach, A. V., Ding, W., Staines, O. K., De Nobriga, C. E., Hobbs, G. D., Wadsworth, W. J., Knight, J. C., Skryabin, D. V., Samarelli, A., Sorel, M. and De La Rue, R. M., 2011. Spatiotemporal nonlinear optics in arrays of subwavelength waveguides. In: 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC). Piscataway, NJ: IEEE.

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Official URL:

http://dx.doi.org/10.1109/CLEOE.2011.5942707

Abstract

Silicon on insulator photonic wire waveguides offer tight sub-wavelength confinement of light, high nonlinearities and large and controllable geometrical Group Velocity Dispersion (GVD) [1]. Arranging wires in arrays brings about new opportunities for dispersion control. Strongly dispersive coupling between modes of adjacent wires causes substantial and controllable variation of the zero GVD wavelength between different supermodes [2]. This modifies the phase matching conditions for resonant (Cherenkov) radiation [3], which is one of the distinctive features of solitons in waveguides with sign-changing GVD [4].

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