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.

Date of Patent:
Jun. 26, 2007

Filed:

Dec. 16, 2004
Applicants:

Young-hun Kim, Seoul, KR;

Hong-seok Lee, Seongnam-si, KR;

Seong-mo Hwang, Suwon-si, KR;

Seung-ho Nam, Seongnam-si, KR;

Young-chan Kim, Suwon-si, KR;

Inventors:

Young-hun Kim, Seoul, KR;

Hong-seok Lee, Seongnam-si, KR;

Seong-mo Hwang, Suwon-si, KR;

Seung-ho Nam, Seongnam-si, KR;

Young-chan Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a mode converter for use in optical communication. The mode converter includes a first waveguide, a second waveguide optically coupled into the first waveguide, and omnidirectional reflectors that are disposed on either side of the first waveguide and have forward reflectivity with respect to a mode propagating in the first waveguide. The mode converter provides minimum loss coupling between either optical fiber or low index difference waveguide and a high index contrast waveguide. Furthermore, the mode converter achieves high, bi-directional optical coupling over a wide wavelength range with a simple manufacturing process.


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