The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 2001
Filed:
Feb. 04, 1998
Applicant:
Inventors:
Tetsuzo Yoshimura, Kawasaki, JP;
Toshiro Futatsugi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/906 ; H01L 3/10328 ; H01L 3/10336 ; H01L 3/1072 ; H01L 3/1109 ;
U.S. Cl.
CPC ...
H01L 2/906 ; H01L 3/10328 ; H01L 3/10336 ; H01L 3/1072 ; H01L 3/1109 ;
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.