Efficient coupling to chalcogenide glass photonic crystal waveguides via silica optical fiber nanowires

Christian Grillet, Cameron Lesley Colwell Smith, Darren Freeman, Steve Madden, Barry Luther-Davies, Eric Magi, David Moss, Benjamin Eggleton
2006 Optics Express  
We demonstrate highly efficient evanescent coupling between a highly nonlinear chalcogenide glass two dimensional photonic crystal waveguide and a silica fiber nanowire. We achieve 98% insertion efficiency to the fundamental photonic crystal waveguide mode with a 3dB coupling bandwidth of 12nm, in good agreement with theory. This scheme provides a promising platform to realize low power nanocavity based all-optical switching and logic functions.
doi:10.1364/oe.14.001070 pmid:19503428 fatcat:flww7wep3zf4vepchk27mvwypm