We report a waveguide gap structure for nonlinear coupling, written in chalcognide glass with an ultrafast laser. The coupling efficiency between two waveguides is enhanced by the self focusing of shorter and stronger input pulse.
© 2011 OSA
T. Chen, B. McMillen, B. Zhang, Q. Wang, K. Chen, and Y. Lin, "Waveguide Saturable Absorbers in Chalcognide Glass Fabricated by Ultrafast Lasers," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CMAA5.
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