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:
Nov. 02, 1999
Filed:
Sep. 22, 1997
Applicant:
Inventors:
Assignee:
France Telecom, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 46 ; 385 37 ; 385 24 ; 385 39 ;
Abstract
A spectrographic type multiplexer and/or demultiplexer optical component having an array of waveguides, the component comprising a star inlet coupler and a star outlet coupler with said array extending therebetween, and also comprising an inlet light guide and an outlet light guide for said inlet and outlet couplers, respectively, wherein the spectrum response of the component is the sum of two substantially Gaussian spectrum responses of peaks that are offset in wavelength.