Abstract
We demonstrate that a nonlinear directional coupler with special bending of waveguide axes can be used for all-optical switching of polychromatic light with a very broad spectrum covering all of the visible region. The bandwidth of the suggested device is enhanced five times compared with conventional couplers. Our results suggest novel opportunities for the creation of all-optical logical gates and switches for polychromatic light with white-light and supercontinuum spectra.
© 2007 Optical Society of America
Full Article | PDF ArticleMore Like This
Andrey A. Sukhorukov, Dragomir N. Neshev, and Yuri S. Kivshar
Opt. Express 15(20) 13058-13076 (2007)
Sangwoo Ha, Andrey A. Sukhorukov, and Yuri S. Kivshar
Opt. Lett. 32(11) 1429-1431 (2007)
Andrey A. Sukhorukov, Dragomir N. Neshev, Alexander Dreischuh, Robert Fischer, Sangwoo Ha, Wieslaw Krolikowski, Jeremy Bolger, Arnan Mitchell, Benjamin J. Eggleton, and Yuri S. Kivshar
Opt. Express 14(23) 11265-11270 (2006)