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:
Nov. 25, 1997
Filed:
Oct. 25, 1996
Applicant:
Inventors:
Wol-Yon Hwang, Daejeon, KR;
Jang-Joo Kim, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385-3 ;
Abstract
The invention is related to an improved mach-zehnder type electro-optic polymer modulator which is capable of controlling its initial output state by post-photobleaching method, thus achieving a more stable output characteristic of a device without use of a bias electrode, which includes first and second electrodes formed on an upper portion of first and second arms have different lengths wherein a mach-zehnder type electro-optic polymer modulator.