Title:
GRADIENT PHOTONIC CRYSTAL POLARIZATION MAINTAINING FIBER
Document Type and Number:
WIPO Patent Application WO/2020/056821
Kind Code:
A1
Abstract:
A photonic crystal polarization maintaining fiber, comprising: a base material (1), fiber cores (3) located at the central position of the base material (1), and a cladding layer (2) located on the base material (1) and surrounding the fiber cores (3). The fiber cores (3) form a multi-core structure, and the diameters of the 4-7 fiber cores (3) increase in sequence in a counterclockwise or clockwise direction; the plurality of fiber cores (3) are arranged in a regular polygonal shape; and the centre of each fiber core (3) is located at a vertex of the polygonal shape. The cladding layer (2) is provided in several circular holes of the base material (1) that are arranged in a polygonal shape, and the circular holes are arranged in a hexagonal shape. The photonic crystal polarization maintaining fiber breaks the circular symmetry of the fiber, and realizes polarization maintaining performance by means of 4-7 fiber cores (3). Compared with a single-core fiber, the fiber having a plurality of fiber cores (3) of different sizes is able to transmit more optical signals, improving the transmission capacity.
Inventors:
SHEN XIAOPING (CN)
YANG ZHIJIE (CN)
DING RUNQI (CN)
ZHU KUN (CN)
SHEN JIA (CN)
YAN YONGQING (CN)
CHEN BIN (CN)
YANG ZHIJIE (CN)
DING RUNQI (CN)
ZHU KUN (CN)
SHEN JIA (CN)
YAN YONGQING (CN)
CHEN BIN (CN)
Application Number:
PCT/CN2018/110594
Publication Date:
March 26, 2020
Filing Date:
October 17, 2018
Export Citation:
Assignee:
TONGDING INTERCONNECTION INFORMATION CO LTD (CN)
International Classes:
G02B6/02; G02B6/024
Foreign References:
| CN106154403A | 2016-11-23 | |||
| US20060024008A1 | 2006-02-02 | |||
| CN107132610A | 2017-09-05 | |||
| CN105137530A | 2015-12-09 | |||
| US20170082797A1 | 2017-03-23 |
Attorney, Agent or Firm:
SUZHOU ZHITU INTELLECTUAL PROPERTY FIRM (CN)
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