Widely Tunable Semiconductor Laser Based on Digital Concatenated Grating With Multiple Phase Shifts

被引：4
|
作者：
Zhao, Jialin [1 ]
Hu, Sheng [1 ]
Tang, Yichao [1 ]
Zhao, Hang [1 ]
Yu, Yonglin [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2013年 / 5卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Gratings; tunable lasers; modeling; time-domain; TRAVELING-WAVE MODEL; FILTER APPROACH; DBR LASERS; DESIGN; PERFORMANCE; REFLECTORS; SIMULATION; NETWORKS;
D O I：
10.1109/JPHOT.2013.2278514
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：
In this paper, we proposed a widely tunable distributed Bragg reflector (DBR) laser based on digital concatenated grating with multiple phase shifts (MPS-DCG). The MPS-DCG can provide a comblike reflectivity spectrum with flat envelop covering over 100-nm wavelength range. Static characteristics of the MPS-DCG DBR laser, including the wavelength tuning range, output power, side-mode suppression ratio (SMSR), and L-I curves, are simulated using a time-domain traveling-wave model combined with a digital filter method. Tuning range of approximately 90 nm is obtained with good SMSR. The L-I curves show that the laser threshold current is around 30 mA.
引用
收藏
页数：8
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