Title :
Ultrashort free-carrier lifetime for low nonlinear loss in silicon waveguides
Author :
Turner-Foster, A.C. ; Foster, Amy C TurnerFoster Mark A ; Levy, Jacob S. ; Poitras, Carl B. ; Salem, Reza ; Gaeta, Alexander L. ; Lipson, Michal
Author_Institution :
Sch. of Electr. & Comput. Eng., Cornell Univ., Ithaca, NY, USA
Abstract :
We demonstrate significant reduction of one of the main nonlinear loss mechanisms in silicon waveguides-free carrier absorption. We show reduction of the free-carrier lifetime from 3 ns down to less than 12.2 ps.
Keywords :
carrier lifetime; elemental semiconductors; high-speed optical techniques; nonlinear optics; optical losses; optical waveguides; silicon; two-photon processes; Si; nonlinear loss mechanism; silicon waveguide; two-photon absorption; ultrashort free-carrier lifetime; Absorption; Contacts; Integrated optics; Nonlinear optics; Optical attenuators; Optical losses; Optical mixing; Optical waveguides; Probes; Silicon; (130.3120) Integrated optics devices; (130.4310) Integrated optics: Nonlinear;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
