Patent Number: 6,294,794

Title: Non-linear optical device using quantum dots

Abstract: A non-linear optical device includes a plurality of quantum dots in an active layer such that the quantum dots have a composition or doping modified asymmetric in a direction perpendicular to the active layer.

Inventors: Yoshimura; Tetsuzo (Kawasaki, JP), Futatsugi; Toshiro (Kawasaki, JP)

Assignee: Fujitsu Limited

International Classification: H01L 29/02 (20060101); H01L 29/12 (20060101); H01L 029/06 (); H01L 031/032 (); H01L 031/033 (); H01L 031/072 (); H01L 031/109 ()

Expiration Date: 09/25/2018