Self-Locking of Free-Running DFB Lasers to a Single Microring Resonator for Dense WDM

被引：0
|
作者：
Sun, Yonghang [1 ,2 ]
Salamy, James [1 ,2 ]
Murray, Caitlin E. [1 ,2 ]
Zhu, Xiaotian [3 ]
Little, Brent E. [4 ]
Morandotti, Roberto [5 ]
Mitchell, Arnan [6 ,7 ]
Chu, Sai T. [3 ]
Moss, David J. [8 ,9 ]
Corcoran, Bill [1 ,2 ]
机构：
[1] Monash Univ, COMBS, Elect & Comp Syst Engn, Melbourne, Vic 3800, Australia
[2] Monash Univ, Photon Commun Lab, Elect & Comp Syst Engn, Melbourne, Vic 3800, Australia
[3] City Univ Hong Kong, Dept Phys, Hong Kong, Peoples R China
[4] QXP Inc, Xian 710000, Shan Xi, Peoples R China
[5] INRS Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada
[6] RMIT Univ, Sch Engn, COMBS, Melbourne, Vic 3001, Australia
[7] RMIT Univ, Sch Engn, InPAC, Melbourne, Vic 3001, Australia
[8] Swinburne Univ Technol, COMBS, Melbourne, Vic 3122, Australia
[9] Swinburne Univ Technol, Opt Sci Ctr, Melbourne, Vic 3122, Australia
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2025年 / 43卷 / 04期
基金：
澳大利亚研究理事会;
关键词：
Coherent communication; dense WDM; DFB; distributed feedback laser; DWDM; ECL; external cavity laser; microring resonator; MRR; optical injection locking; self-injection locking; uDWDM; ultra-denseWDM; wavelength division multiplexing; WDM; OPTICAL-INJECTION LOCKING; TRANSMISSION; STABILIZATION; CAVITY;
D O I：
10.1109/JLT.2024.3494694
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We self-injection locked two free-running DFB lasers to two adjacent resonances of microring resonators (MRRs) to enhance the lasers frequency spacing stability. The frequency spacing stability between the two locked lasers was < 300 MHz while locking to a similar to 0.5 million Q microring with similar to 19.6 GHz free spectral range (FSR), improving to < 100 MHz level after locking to a similar to 1.5 million Q microring with similar to 25.2 GHz FSR. The locked lasers were modulated with dual polarisation 16-QAM signals with < 1 GHz guard-band between two channels, and the MRR locked DFB lasers achieved similar performance to commercial external cavity lasers in the coherent communication system.
引用
收藏
页码：1995 / 2002
页数：8
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