Title:
光変調装置及び光変調装置のタイミング調整方法
Document Type and Number:
Japanese Patent JP6625231
Kind Code:
B2
Abstract:
An optical modulation apparatus that can adjust modulation timing. A timing adjuster adjusts the modulation timing on the basis of an intensity detected by a light intensity detector, after a data generator respectively generates, as a first data signal and a second data signal, a first test data signal and a second test data signal each having a data string containing a test pattern in which a plurality of continuous marks and a plurality of continuous spaces are alternately repeated, and after a phase adjuster adjusts a phase difference to zero or π.
Inventors:
Shusaku Hayashi
Kentaro Enoki
Koichi Akiyama
Kentaro Enoki
Koichi Akiyama
Application Number:
JP2018541894A
Publication Date:
December 25, 2019
Filing Date:
May 22, 2017
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H04B10/556; G02F1/01; H04B10/075
Domestic Patent References:
| JP2008187223A | ||||
| JP2011197436A |
Foreign References:
| WO2012073590A1 |
Attorney, Agent or Firm:
Yoshitake Hidetoshi
Takahiro Arita
Takahiro Arita