Title :
Nonlinear refractive properties in lead sulfide (PbS) nanocrystals from 1200 to 1550 nm
Author :
Yoshino, E. ; Major, A.A. ; Levina, L. ; Sargent, E.R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Toronto Univ., Ont.
Abstract :
Nonlinear refractive index change originating from the saturation of the first exciton transition was investigated in quantum size-effect-tunable lead sulfide (PbS) quantum-dot nanocrystals in the telecommunication spectral range 1200-1550 nm
Keywords :
IV-VI semiconductors; excitons; high-speed optical techniques; lead compounds; nanostructured materials; optical materials; optical saturable absorption; optical tuning; refractive index; semiconductor quantum dots; size effect; 1200 to 1550 nm; PbS; exciton transition saturation; nonlinear refractive index; quantum size-effect-tunable lead sulfide quantum-dot nanocrystals; telecommunication spectral range;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
