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. 14, 1999
Filed:
Aug. 05, 1998
Applicant:
Inventors:
Edwin Arthur Chandross, Murray Hill, NJ (US);
Arturo Hale, New York, NY (US);
Valerie Jeanne Kuck, Upper Montclair, NJ (US);
Edward John Laskowski, Scotch Plains, NJ (US);
Christi Kay Madsen, South Plainfield, NJ (US);
Ronald Edward Scotti, White House Station, NJ (US);
Joseph Shmulovich, Murray Hill, NJ (US);
Assignee:
Lucent Techolonogies Inc., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 50 ; 385129 ;
Abstract
The thermo-optically controlled optical couplers wherein the coupling region between the waveguides in the coupling section is filled with a material having a high dependence of refractive index on temperature thus making the thermo-optic control means more efficient and allowing a greater range of adjustment in the coupling coefficient for a given temperature change.