Transmission of 20 Gb/s PAM-4 signal over 20 km optical fiber using a directly modulated tunable DBR laser

被引：5
|
作者：
Zhou, Daibing [1 ]
Lu, Dan [1 ]
Liang, Song [1 ]
Zhao, Lingjuan [1 ]
Wang, Wei [1 ]
机构：
[1] Univ Chinese Acad Sci, Beijing Key Lab Low Dimens Semicond Mat & Devices, Coll Mat Sci & Optoelect Technol, Inst Semicond,Chinese Acad Sci,Key Lab Semicond M, Beijing 100083, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2018年 / 16卷 / 09期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.3788/COL201816.091401
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report 20 Gb/s transmission of four-level pulse amplitude modulation (PAM) signal using a directly modulated tunable distributed Bragg reflector (DBR) laser. Transmission distance over 20 km was achieved without using optical amplifiers and optical dispersion compensation modules. A wavelength tuning range of 11.5 nm and a 3 dB bandwidth greater than 10 GHz over the entire wavelength tuning range were obtained.
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页数：4
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