Directly Modulated Tunable Single-Mode Lasers Based on a Coupled Microcavity

被引：2

作者：

Wang, Miao-Qing ^{[1
,4
]}

Hao, You-Zeng ^{[2
,3
]}

Zhang, Zhen-Ning ^{[2
,3
]}

Zhang, Bin ^{[4
]}

Yang, Yue-De ^{[2
,3
]}

Xiao, Jin-Long ^{[2
,3
]}

Teixeira, Antonio L. ^{[1
]}

Huang, Yong-Zhen ^{[2
,3
]}

机构：

[1] Univ Aveiro, Inst Telecomunicacoes, Dept Eletron Telecomunicacoes & Informat DETI, P-3810193 Aveiro, Portugal

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

[4] Shaoxing ZKTel Equipment Co Ltd, Shaoxing 312000, Peoples R China

来源：

PHOTONICS | 2022年 / 9卷 / 11期

关键词：

semiconductor lasers; direct modulated; single-mode lasers; microcavity; SEMICONDUCTOR-LASERS;

D O I：

10.3390/photonics9110827

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this work, we investigate an alternative directly modulated laser solution with applications to multiwavelength 25 Gb/s systems. The presented solution is based on a hybrid square/rhombus-rectangular laser (HSRRL), which consists of a Fabry-Perot (FP) cavity and a square/rhombus microcavity (SRM). This structure is implemented and demonstrates single-mode lasing over a wide wavelength tuning range (30.8 nm). Single-mode operation is achieved with a side-mode suppression ratio (SMSR) greater than 30 dB and a linewidth of 10 MHz. Furthermore, with an electrical 3 dB bandwidth of 10 GHz. It is possible to directly modulate at 25 Gb/s with promising performance. These devices are simple and they are expected to meet the cost and power requirements of current networks.

引用

页数：9

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