Instabilities and all-optical phase-controlled switching in a nonlinear directional coherent coupler
- 6 October 1986
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 49 (14), 838-840
- https://doi.org/10.1063/1.97510
Abstract
The instability in the evolution of a nonlinear wave along a directional coupler is investigated with the beam propagation method, both for self-focusing and for self-defocusing materials. A new device is proposed for switching an intense light beam at the device output by changing the relative phase of a weak input signal.Keywords
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