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Nonreciprocal behavior and switching in optical couplers with longitudinally varying 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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Biancalana,  Fabio
Biancalana Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Tran, T. X., & Biancalana, F. (2012). Nonreciprocal behavior and switching in optical couplers with longitudinally varying coupling coefficient. OPTICS LETTERS, 37(10), 1772-1774.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-68CF-4
Abstract
We report the nonreciprocal behavior of an optical coupler consisting of two straight waveguides forming a small angle. An optical diode action is theoretically demonstrated when light is launched along opposite directions. The switching power is lower than the case of parallel waveguides with a constant coupling coefficient. (C) 2012 Optical Society of America