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:
Oct. 10, 2006
Filed:
May. 08, 2002
Anuradha M. Agarwal, Weston, MA (US);
Lionel C. Kimerling, Concord, MA (US);
Hermann A. Haus, Lexington, MA (US);
Kazumi Wada, Lexington, MA (US);
Steven G. Johnson, St. Charles, IL (US);
Christina Manolatou, Cambridge, MA (US);
Jurgen Michel, Arlington, MA (US);
Victor Trinh Nguyen, Walnut, CA (US);
Anuradha M. Agarwal, Weston, MA (US);
Lionel C. Kimerling, Concord, MA (US);
Hermann A. Haus, Lexington, MA (US);
Kazumi Wada, Lexington, MA (US);
Steven G. Johnson, St. Charles, IL (US);
Christina Manolatou, Cambridge, MA (US);
Jurgen Michel, Arlington, MA (US);
Victor Trinh Nguyen, Walnut, CA (US);
Massachusetts Institute of Technology, Cambridge, MA (US);
Abstract
An on-chip silicon-based optical coupler used to guide light from an optical fiber to a waveguide. The incoming wave is confined vertically by stacks of graded index materials. In the lateral direction, a linear taper formed by etched holes or trenches confines the wave.