12.032 Tbit/s Coherent Transmission Using an Ultra-Narrow Linewidth Qantum Dot 34.46-GHz C-Band Coherent Comb Laser

被引：6
|
作者：
Lu, Zhenguo [1 ]
Liu, Jiaren [1 ]
Mao, Linda [1 ]
Song, Chun-Ying [1 ]
Weber, John [1 ]
Poole, Philip [1 ]
机构：
[1] CNR, Adv Elect & Photon Res Ctr, Ottawa, ON, Canada
来源：
NEXT-GENERATION OPTICAL COMMUNICATION: COMPONENTS, SUB-SYSTEMS, AND SYSTEMS VIII | 2019年 / 10947卷
关键词：
Coherent networking systems; Fiber optics communications; Quadrature amplitude modulation (QAM); Quantum dot semiconductor mode-locked lasers; Coherent comb lasers; Self-injection feedback locking; Optical linewidth and phase noise; Terabit/s networking systems;
D O I：
10.1117/12.2507504
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have developed an external cavity self-injection feedback locking (SIFL) system to simultaneously reduce optical linewidth of each individual channel of an InAs/InP qantum dot (QD) 34.46-GHz coherent comb laser (CCL). Optical linewidths are reduced from a few MHz down to less than 300 kHz over 47 filtered individual channels, varying from 5.3% to 9.1% of the original linewidth, between 1531.60 nm to 1544.20 nm. By using this ultra-narrow linewidth QD CCL we have demonstrated 12.032 Tbit/s (16QAM 47x32 GBaud PDM) back-to-back coherent data bandwidth transmission capacity.
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页数：7
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