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:
Sep. 19, 2017
Filed:
Jun. 11, 2014
Applicant:
Washington University, St. Louis, MO (US);
Inventors:
Lan Yang, St. Louis, MO (US);
Sahin Kaya Ozdemir, St. Louis, MO (US);
Faraz Monifi, St. Louis, MO (US);
Assignee:
Washington University, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/293 (2006.01); G02B 6/12 (2006.01); H01S 3/16 (2006.01); H01S 3/06 (2006.01); H01S 3/17 (2006.01);
U.S. Cl.
CPC ...
G02B 6/29338 (2013.01); G02B 6/12007 (2013.01); G02B 6/29383 (2013.01); G02B 6/29395 (2013.01); H01S 3/1608 (2013.01); H01S 3/0627 (2013.01); H01S 3/1618 (2013.01); H01S 3/176 (2013.01);
Abstract
An add-drop filter for transmitting at least one signal is provided. The add-drop filter includes at least two optical waveguides capable of carrying the at least one signal, and at least one active resonator coupled between the optical waveguides, wherein the at least one active resonator provides gain that counteracts losses for the at least one signal.