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:
Mar. 13, 2007

Filed:

Mar. 24, 2005
Applicants:

Yu Mimura, Tokyo, JP;

Kazuhiro Ikeda, Tokyo, JP;

Inventors:

Yu Mimura, Tokyo, JP;

Kazuhiro Ikeda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/126 (2006.01); H04B 10/00 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A PMD emulator configured by connecting in this order: an input-side optical fiberfor receiving light to be measured; a first polarization rotating portionincluding M DGD sections(M is an integer equal to or more than 2) concatenated by (M−1) polarization rotators, one DGD section being arranged at each end of said first polarization rotating portion; an arbitrary-arbitrary polarization controllerfor changing any state of polarization into any other state of polarization, a second PMD rotating portionconfigured in the same way as the first polarization rotating portionan output-side optical fiber for outputting the light to be measured.


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