Title :
Femtosecond micromachining of symmetric active waveguides by astigmatically shaped beams
Author :
Cerullo, G. ; De Silvestri, S. ; Osellame, R. ; Taccheo, S. ; Marangoni, M. ; Ramponi, R. ; Laporta, P.
Author_Institution :
Nat. Lab. for Ultrafast & Ultraintense Opt. Sci., INFM, Milano, Italy
Abstract :
We present a novel astigmatic beam shaping technique to fabricate, by femtosecond laser pulses, waveguides with circular transverse profile and arbitrary size. We obtain single-mode active waveguides at 1.5 /spl mu/m with gain of 1.5 dB.
Keywords :
aberrations; high-speed optical techniques; laser beams; micromachining; optical fabrication; optical waveguides; 1.5 dB; 1.5 micrometer; astigmatic beam shaping technique; circular transverse profile; femtosecond laser pulse; femtosecond micromachining; symmetric active waveguide; waveguide; Absorption; Focusing; Glass; Laser beams; Micromachining; Nonlinear optics; Optical waveguides; Ultrafast optics; Waveguide lasers; Writing;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-748-2
