We present the results of ultrafast optical experiments on silver quantum dot superlattices. Dramatic changes in the electron dynamics occur as a function of interparticle spacing due to enhanced dipolar coupling and,importantly, electron delocalization.
© 2004 Optical Society of America
(160.0160) Materials : Materials
(160.3900) Materials : Metals
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
R. D. Averitt, J. Demsar, E. K. Woode, A. J. Taylor, K. C. Beverly, and J. R. Heath, " Ultrafast electron dynamics in silver nanoparticle arrays," in Nonlinear Optics: Materials, Fundamentals and Applications, Technical Digest (CD) (Optical Society of America, 2004), paper ThA3.