Narrow Spectral Linewidth Silicon Photonic Wavelength Tunable Laser Diode for Digital Coherent Communication System

被引:57
|
作者
Kita, Tomohiro [1 ]
Tang, Rui [2 ]
Yamada, Hirohito [1 ]
机构
[1] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan
[2] Univ Tokyo, Dept Elect Engn & Informat Syst, Tokyo 1138656, Japan
基金
日本科学技术振兴机构; 日本学术振兴会;
关键词
Silicon photonics; semiconductor laser; resonator filters; WAVE-GUIDE; OPTICAL BISTABILITY; COMPACT; 64-QAM; GE;
D O I
10.1109/JSTQE.2016.2559418
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 demonstrated wavelength tunable laser diodes with Si-wire waveguide ring resonators as an external optical cavity. The footprint of the optical cavity including the semiconductor optical amplifier is as small as 0.8 mm x 0.6 mm which is less 1/10 of those made of silicon oxinitride material. Wavelength tuning range of approximately 55 nm was demonstrated, which covers entire L-band of the optical communication wavelength system. Furthermore, a spectral linewidth narrower than 100 kHz was obtained by optimizing the design of the external optical cavity. The optical nonlinearity of silicon is described and the influence on laser oscillation is also discussed.
引用
收藏
页码:23 / 34
页数:12
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