Title :
Waveguide saturable absorbers in chalcognide glass fabricated by ultrafast lasers
Author :
Chen, Tong ; McMillen, Ben ; Zhang, Botao ; Wang, QingQing ; Chen, Kevin ; Lin, Yuankun
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Pittsburgh, Pittsburgh, PA, USA
Abstract :
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.
Keywords :
chalcogenide glasses; gallium compounds; lanthanum compounds; laser materials processing; optical couplers; optical fabrication; optical glass; optical saturable absorption; optical self-focusing; optical waveguides; GaLaS; chalcogenide glass; nonlinear coupling; self focusing; ultrafast lasers; waveguide gap structure; waveguide saturable absorbers; Couplings; Erbium-doped fiber lasers; Glass; Laser mode locking; Optical waveguides; Waveguide discontinuities; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4