Stable propagation and all-optical switching in planar waveguide–antiwaveguide periodic structures
JOSA B, Vol. 19, Issue 3, pp. 522-528 (2002)
http://dx.doi.org/10.1364/JOSAB.19.000522
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Abstract
A planar periodic nonlinear structure composed of alternating waveguiding (WG) and antiwaveguiding (AWG) sections is considered. Detailed simulations demonstrate that fairly long stable propagation of a beam in this structure is achieved when the lengths of the AWG and WG sections are equal, i.e., both ~25 wavelengths. Another interesting result is that the stable-propagation length is much larger in both a uniform AWG and in the alternate structure if the input has a Gaussian transverse profile rather than a specially prepared shape that corresponds to the eigenmode of the (anti)waveguide. It is demonstrated that an efficient all-optical switching scheme, controlled by a weak hot spot, which is created by a laser beam shone normally to the structure and focused off axis near the end of any AWG section, can readily be realized in the alternate waveguide.
© 2002 Optical Society of America
OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(250.5530) Optoelectronics : Pulse propagation and temporal solitons
Citation
Arkady Kaplan, Boris V. Gisin, and Boris A. Malomed, "Stable propagation and all-optical switching in planar waveguide–antiwaveguide periodic structures," J. Opt. Soc. Am. B 19, 522-528 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-3-522
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