Title :
Wavelength-selective pulsed all-optical switching based on cascaded second-order nonlinearity in a periodically poled lithium-niobate waveguide
Author :
Kanter, G.S. ; Kumar, P. ; Parameswaran, K.R. ; Fejer, M.M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Northwestern Univ., Evanston, IL, USA
fDate :
4/1/2001 12:00:00 AM
Abstract :
We report all-optical switching in a time and wavelength window based on cascaded sum- and difference-frequency generation in a periodically poled lithium-niobate waveguide. More than 50% switching of a 5-ps pulse is observed with a gate-pulse peak power of 6.6 W.
Keywords :
dielectric polarisation; lithium compounds; optical communication equipment; optical frequency conversion; optical switches; optical waveguides; 5 ps; 50% switching; 6.6 W; LiNbO/sub 3/; all-optical switching; cascaded second-order nonlinearity; difference-frequency generation; gate-pulse peak power; lithium-niobate waveguide; periodically poled; ps pulse; sum-frequency generation; wavelength window; wavelength-selective pulsed all-optical switching; Communication switching; Fiber nonlinear optics; High speed optical techniques; Nonlinear optics; Optical fibers; Optical frequency conversion; Optical polarization; Optical pulses; Optical switches; Optical waveguides;
Journal_Title :
Photonics Technology Letters, IEEE