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:
Dec. 20, 1988
Filed:
Apr. 01, 1987
Applicant:
Inventors:
Markus-Christian Amann, Munich, DE;
Bernhard Stegmueller, Augsburg, DE;
Franz Kappeler, Puchheim, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9612 ; 350 9614 ; 350 9615 ; 372 43 ;
Abstract
An array of coupled waveguides in the form of MCRW laser diodes and/or passive waveguides are coupled to one another by optical waves of the TM-mode occurring in semiconductor regions between the waveguides that have a reduced thickness d, the neighboring waveguides being provided at a spacing a.