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:
Jul. 24, 2007
Filed:
Aug. 01, 2006
Applicants:
Jeong-hwan Song, Seoul, KR;
Yun-kyung OH, Seoul, KR;
Inventors:
Jeong-Hwan Song, Seoul, KR;
Yun-Kyung Oh, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wavelength division coupler capable of dividing and coupling at least three wavelengths is provided. The wavelength division coupler includes a first waveguide having a first end and a second end, a second waveguide having a third end and a fourth end, in which a section between the third end and the fourth end is located adjacently to one end of the first waveguide to form a mode coupling section for dividing or coupling an input light, and a Bragg zone having a Bragg grating in the mode coupling section formed in portions of die first waveguide and the second waveguide.