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Opt Lett. 2007 Jun 1;32(11):1429-31.

Slow-light switching in nonlinear Bragg-grating couplers.

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  • 1Nonlinear Physics Centre and Centre for Ultra-High Bandwidth Devices for Optical Systems (CUDOS), Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia.


We study propagation and switching of slow-light pulses in nonlinear couplers with phase-shifted Bragg gratings. We demonstrate that power-controlled nonlinear self-action of light can be used to compensate for dispersion-induced broadening of pulses through the formation of gap solitons, to control pulse switching in the coupler, and to tune the propagation velocity.

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