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:
Jun. 08, 1999
Filed:
Apr. 02, 1997
Applicant:
Inventors:
William Michael MacDonald, Lebanon, NJ (US);
Yiu-Huen Wong, Summit, NJ (US);
Assignee:
Lucent Technologies Inc., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 35 ; 385 52 ; 385 65 ; 385 93 ;
Abstract
A subassembly for coupling a laser to an optical fiber comprises a substrate having an asymmetrical, pyramidal cavity, a spherical lens located in the cavity, and a semiconductor laser positioned on the substrate. The output face of the laser is located along an edge of the cavity (without overhanging the edge), and its active region is aligned with the center of the lens along the optic axis of the subassembly.