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:
Jan. 22, 2008
Filed:
Sep. 19, 2005
Applicants:
Shoji Akiyama, Brighton, MA (US);
Xiaoman Duan, Amesbury, MA (US);
Lionel C. Kimerling, Concord, MA (US);
Yasha Yi, Cambridge, MA (US);
Inventors:
Shoji Akiyama, Brighton, MA (US);
Xiaoman Duan, Amesbury, MA (US);
Lionel C. Kimerling, Concord, MA (US);
Yasha Yi, Cambridge, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A waveguide structure includes a core structure that has low index materials. A photonic crystal cladding structure utilized in guiding optical modes in the core. The photonic crystal cladding structure includes alternating layers of Si and SiN.