Engineering of fast mode conversion in multimode waveguides.


We propose fast and robust mode conversion in multimode waveguides based on Lewis-Riesenfeld invariant theory. The design of mode converters using the multimode driving for dynamical invariant is discussed. Computer-generated planar holograms are used to mimic the shaped pulses driving the states in three-level quantum systems. We show that the invariant-based inverse engineering scheme reduces mode converter length as compared to the common adiabatic scheme.

DOI: 10.1364/OL.37.005118

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@article{Tseng2012EngineeringOF, title={Engineering of fast mode conversion in multimode waveguides.}, author={Shuo-Yen Tseng and Xi Chen}, journal={Optics letters}, year={2012}, volume={37 24}, pages={5118-20} }