Title :
Surface transfer doping in silicon waveguides: A cause of optical loss
Author :
Luta Alloatti;Christian Koos;Juerg Leuthold
Author_Institution :
Massachusetts Institute of Technology (KIT). 77 Massachusetts Ave. Cambridge. MA USA 02139
Abstract :
We show that undoped silicon waveguides may suffer of up to 1.8dB/cm free-carrier absorption caused by improper surface passivation, this result opens new perspectives for low-loss silicon photonics and high-speed gateless devices.
Keywords :
"Optical waveguides","Optical device fabrication","Silicon","Optical losses","Logic gates","Nonlinear optics","Optical surface waves"
Conference_Titel :
Group IV Photonics (GFP), 2015 IEEE 12th International Conference on
DOI :
10.1109/Group4.2015.7305940
