- Broadband directional couplers fabricated in bulk glass with high repetition rate femtosecond laser pulsesWei Jen Chen
Edward S Rogers Department of Electrical and Computer Engineering, Institute for Optical Sciences, University of Toronto, Toronto, ON, Canada
Opt Express 16:11470-80. 2008..The spectral responses were well-represented by coupled mode theory, permitting simple design and implementation of broadband couplers for bulk 3D optical circuit integration...
- Transition from thermal diffusion to heat accumulation in high repetition rate femtosecond laser writing of buried optical waveguidesShane M Eaton
Edward S Rogers Department of Electrical and Computer Engineering and Institute for Optical Sciences, University of Toronto, 10 King s College Road, Toronto, ON M5S 3G4, Canada
Opt Express 16:9443-58. 2008..The waveguides are shown to be thermally stable up to 800 degrees C and can be written in a convenient 520 microm depth range with low spherical aberration...