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:
Oct. 22, 2019
Filed:
Dec. 18, 2017
State Grid Jiangxi Electric Power Company Information & Telecommunication Branch, Jiangxi, CN;
State Grid Corporation of China, Beijing, CN;
Jiangsu University, Jiangsu, CN;
Hua Wang, Jiangxi, CN;
Mingyang Chen, Jiangsu, CN;
Xiaosheng Wu, Jiangxi, CN;
Renhua Li, Jiangxi, CN;
Zhimin Cai, Jiangxi, CN;
Guodong Cao, Jiangsu, CN;
Shenyi Li, Jiangxi, CN;
Luming Li, Jiangxi, CN;
Jihai Yang, Jiangxi, CN;
Pingping Fu, Jiangxi, CN;
Meilan Zheng, Jiangxi, CN;
Hui Xiao, Jiangxi, CN;
Hongliang Chu, Jiangxi, CN;
Jun Li, Jiangxi, CN;
Fang Yin, Jiangxi, CN;
Abstract
Provided is a few-mode optical fiber. The optical fiber includes: a core and a cladding enclosing the core. The cladding includes: a first inner cladding surrounding the core; a first high-refractive-index mode filter layer surrounding the first inner cladding; a second inner cladding surrounding the first high-refractive-index mode filter layer; a second high-refractive-index mode filter layer surrounding the second inner cladding; and an outer cladding surrounding the second high-refractive-index mode filter layer.