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:
Aug. 18, 2009
Filed:
Jun. 01, 2005
Applicants:
Ashish Tandon, Sunnyvale, CA (US);
Kostadin Djordjev, San Jose, CA (US);
Chao-kun Lin, Fremont, CA (US);
Michael R. T. Tan, Menlo Park, CA (US);
Inventors:
Ashish Tandon, Sunnyvale, CA (US);
Kostadin Djordjev, San Jose, CA (US);
Chao-Kun Lin, Fremont, CA (US);
Michael R. T. Tan, Menlo Park, CA (US);
Assignee:
Agilent Technologies, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In accordance with the invention, increased maximum modulation speeds and improved hole distribution are obtained for light emitting devices. Barrier layers of a quantum well structure for a light emitting device are formed with varying barrier energy heights. Quantum well layers of the quantum well structure are formed between the barrier layers.