We report the first demonstration of Bragg grating-based all-optical switching in a highly nonlinear Bi<sup>2</sup>O<sup>3</sup>fiber. At powers as low as 55 W the transmission changes from 90% to 20%, a 6.5 dB extinction ratio.
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
I. V. Kabakova, D. Grobnic, S. J. Mihailov, E. C. Magi, M. C. de Sterke, and B. J. Eggleton, "Bragg Grating-based Switching In Highly-nonlinear Bismuth-oxide Fiber," in Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest (CD) (Optical Society of America, 2010), paper PDPC10.
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