Mode controller

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11340397
APP PUB NO 20200379169A1
SERIAL NO

16999820

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is a mode controller which includes an optical fiber coupled body and at least one pair of bobbins, and the mode controller is configured so that: the one pair of bobbins includes two bobbins arranged, spaced from one another; the optical fiber coupled body includes a step-index fiber and a graded-index fiber, which are coupled with each other; the step-index fiber and/or the graded-index fiber is/are wound around the at least one pair of bobbins, and twisted to form a helical area(s); light is launched into the step-index fiber, propagates through the step-index fiber, is emitted from the step-index fiber, and is launched into the graded-index fiber; propagation mode of the light is converted to an equilibrium mode distribution during the propagation of the light through the step-index fiber; and the propagation mode of the light launched into the graded-index fiber is converted to a low-order mode.

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Patent Owner(s)

  • ADAMANT NAMIKI PRECISION JEWEL CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beppu, Yoshitada Tokyo, JP 2 1
Horiguchi, Koji Tokyo, JP 4 3
Hyakutake, Yasuhiro Tokyo, JP 16 109
Iikubo, Tadahisa Tokyo, JP 3 1
Kikuta, Tomohiro Tokyo, JP 3 121

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