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Negative coupling between two defect waveguides embedded in an array

: Zeuner, Julia M.; Rechtsman, Mikael; Keil, Robert; Dreisow, Felix; Tünnermann, Andreas; Nolte, Stefan; Szameit, Alexander

Fulltext ()

OSA technical digest. Online resource (2012), QM1E.5
Quantum Electronics and Laser Science Conference (QELS) <2012, San Jose/Calif.>
Conference Paper, Electronic Publication
Fraunhofer IOF ()

We experimentally demonstrate negative coupling between two defect guides in a waveguide lattice and elaborate the required conditions to explain, why this effect can only be found for negative defects and certain geometric devices.