Title :
Highly-sensitive ultrafast pulse characterization utilizing four-wave mixing in an amorphous silicon nanowaveguide
Author :
Ke-Yao Wang ; Petrillo, Keith G. ; Foster, Mark A. ; Foster, Amy C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA
Abstract :
We demonstrate frequency-resolved optical gating using four-wave mixing in a hydrogenated amorphous silicon nanowaveguide. The ultrahigh nonlinearity and the wide conversion bandwidth of this device allow characterization of sub-ps pulses with high sensitivity.
Keywords :
amorphous semiconductors; elemental semiconductors; high-speed optical techniques; hydrogen; multiwave mixing; nanophotonics; nanostructured materials; optical pulse compression; optical waveguides; silicon; Si:H; conversion bandwidth; four-wave mixing; frequency-resolved optical gating; highly-sensitive ultrafast pulse characterization; hydrogenated amorphous silicon nanowaveguide; subps pulse; ultrahigh nonlinearity; Fiber nonlinear optics; Optical amplifiers; Optical fibers; Optical pulses;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
