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. 06, 2001
Filed:
Jul. 22, 1998
Applicant:
Inventors:
Thomas Mossberg, Eugene, OR (US);
Michael Munroe, Petaluma, CA (US);
Anders Grunnet-Jepsen, Milpitas, CA (US);
John Sweetser, San Jose, CA (US);
Assignee:
Templex Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/34 ; G02B 6/28 ; G02B 5/18 ; G02B 2/742 ; H04J 1/402 ;
U.S. Cl.
CPC ...
G02B 6/34 ; G02B 6/28 ; G02B 5/18 ; G02B 2/742 ; H04J 1/402 ;
Abstract
A waveguide that is operative to produce a reflected optical signal having a spectral profile corresponding to a product of a spectral profile of an input optical signal and a predetermined complex-valued spectral filtering function wherein the waveguide includes a plurality of spatially distinct subgratings each possessing a periodic array of diffraction elements. The subgratings are situated and configured based on the predetermined complex-valued spectral filtering function.