Abstract
A vertical coupler composed of short range surface plasmon polariton waveguide and dielectric waveguide is studied theoretically and experimentally. The short range surface plasmon polariton mode is excited efficiently by the dielectric waveguide mode within tens of microns. Meanwhile, based on the hybrid coupler, a highly compact polarizer and a high performance sensor for ultra-thin layer sensing could be achieved.
© 2011 Optical Society of America
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