Title:
モード間損失差補償器及び光増幅器
Document Type and Number:
Japanese Patent JP6659847
Kind Code:
B2
Abstract:
A differential mode attenuation compensator includes a first multi-mode optical fiber and a third multi-mode optical fiber in which a plurality of propagation modes propagate in a wavelength of a propagating optical signal; and a second multi-mode optical fiber including a core and a clad and arranged with a central axis aligned between the first multi-mode optical fiber and the third multi-mode optical fiber, in which each loss in the plurality of propagation modes is different in the first multi-mode optical fiber and the third multi-mode optical fiber.
Inventors:
Masaki Wada
Yasushi Sakamoto
Mori Takayoshi
Shinichi Aosasa
Takashi Yamamoto
Kazuhide Nakajima
Yasushi Sakamoto
Mori Takayoshi
Shinichi Aosasa
Takashi Yamamoto
Kazuhide Nakajima
Application Number:
JP2018531912A
Publication Date:
March 04, 2020
Filing Date:
August 01, 2017
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G02B6/02; G02B6/036; H01S3/067; H01S3/10
Domestic Patent References:
| JP2013004590A |
Foreign References:
| US6434311 | ||||
| US5633974 |
Attorney, Agent or Firm:
Shiga International Patent Office