Title :
Fabrication of glass photonic devices by an unamplified femtosecond laser
Author :
Minoshima, K. ; Hartl, I. ; Ippen, E.P. ; Fujimoto, J.G.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA
Abstract :
Single-mode X-couplers, 3D-waveguides and void structures are fabricated in glass using;; unamplified femtosecond laser generating energies of /spl sim/100 nJ. Coupled mode analysis and optical coherence tomography show large refractive index changes of up to /spl sim/10/sup -2/.
Keywords :
coupled mode analysis; high-speed optical techniques; laser materials processing; optical couplers; optical fabrication; optical glass; optical tomography; optical waveguides; refractive index; voids (solid); 100 nJ; 3D-waveguides; coupled mode analysis; glass; glass photonic device fabrication; large refractive index changes; optical coherence tomography; single-mode X-couplers; unamplified femtosecond laser; void structures; Coherence; Coupled mode analysis; Glass; Laser modes; Optical device fabrication; Optical refraction; Optical variables control; Refractive index; Tomography; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.971162