High-speed distributed feedback lasers based on enhanced detuned loading and photon–photon resonance effect

被引：0
|
作者：
Gu, Hongming [1 ]
Zhang, Yunshan [1 ]
Guan, Shijian [2 ]
Gang, Zeyu [2 ]
Chen, Yibing [1 ]
Zheng, Jilin [3 ]
Ma, Guolong [1 ]
Fang, Tao [2 ]
Chen, Xiangfei [2 ]
机构：
[1] College of Electronic and Optical Engineering, College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing,210023, China
[2] College of Engineering and Applied Sciences, Nanjing University, Nanjing,210023, China
[3] College of Communications Engineering, Army Engineering University of PLA, Nanjing,210007, China
来源：
Chinese Optics Letters | 2024年 / 22卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Chirp modulation;
D O I：
10.3788/COL202422.111403
中图分类号：
学科分类号：
摘要：
A high-speed distributed feedback laser based on the reconstruction equivalent chirp technology has been proposed and demonstrated. Due to the enhanced detuned loading and the photon–photon resonance effect, the 3-dB modulation bandwidth is improved to 29 GHz. Utilizing the proposed method, the relative intensity noise is reduced to below -156.37 dB/Hz, and the frequency chirp is decreased from 4.74 to 2.58. Moreover, the modulation maintains excellent linearity, with a 1-dB compression point of more than 18 dBm. © 2024 Chinese Optics Letters
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