Title :
Channel waveguide lasers produced by femtosecond and picosecond direct laser writing in Ti:Sapphire crystals
Author :
Grivas, C. ; Corbari, C. ; Brambilla, G. ; Kazansky, P.G. ; Lagoudakis, P.G.
Author_Institution :
Sch. of Phys. & Astron., Univ. of Southampton, Southampton, UK
Abstract :
Femtosecond-laser-written Ti:sapphire channel waveguides laser at ~798.25 nm above a threshold pump power of 84 mW with output power and slope efficiency of 143 mW and 23.5%, respectively. Lasing was also observed in picosecond-laser-written channels.
Keywords :
laser beam effects; optical pumping; optical waveguides; sapphire; titanium; Ti:sapphire crystals; channel waveguide lasers; femtosecond laser writing; output power; picosecond direct laser writing; power 143 mW; power 84 mW; slope efficiency; threshold pump power; waveguides laser; wavelength -798.25 nm; Laser excitation; Laser modes; Optical waveguides; Power lasers; Pump lasers; Surface emitting lasers; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6