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Title:
MULTI-CORE FIBER
Document Type and Number:
Japanese Patent JP2023135785
Kind Code:
A
Abstract:
To provide a multi-core fiber which has a structure facilitating manufacturing and which suppresses crosstalk between cores.SOLUTION: A multi-core fiber includes: a first glass body; a plurality of second glass bodies which include core parts and cladding parts having lower refractive indexes than the largest refractive indexes of the core parts and surrounding outer peripheries of the core parts, and which are provided in a manner to surround the first glass body and not to contact with each other; and a plurality of trench parts which are provided in a manner to fill gaps between the adjacent second glass bodies and which have lower refractive indexes than those of the cladding parts.SELECTED DRAWING: Figure 1

Inventors:
MUKASA KAZUNORI
Application Number:
JP2022041052A
Publication Date:
September 29, 2023
Filing Date:
March 16, 2022
Export Citation:
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Assignee:
FURUKAWA ELECTRIC CO LTD
International Classes:
G02B6/02; C03B37/018; C03B37/027; C03B37/028; G02B6/036
Attorney, Agent or Firm:
Sakai International Patent Office