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Sharp Switching in Optical Couplers With Variable Coupling Coefficient

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Tran,  Truong X.
Biancalana Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Tran, T. X., & Nguyen, X. N. (2014). Sharp Switching in Optical Couplers With Variable Coupling Coefficient. JOURNAL OF LIGHTWAVE TECHNOLOGY, 32(8), 1565-1569. doi:10.1109/JLT.2014.2307954.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-660D-8
Abstract
We report the switching behavior of a nonlinear optical coupler consisting of two straight waveguides forming a small angle. A very sharp switching can be obtained with these couplers. The switching power can be reduced up to two times compared to conventional couplers. The multiple switching can also happen at two and even more ranges of input powers. Because light switching is based on the optical Kerr effect, ultrafast switching is possible.