Low-threshold and high-efficiency operation of 1.5 μm distributed reflector laser with DFB grating and Q-wire DBR sections

被引：6

作者：

Ohira, K ^{[1
]}

Murayama, T ^{[1
]}

Hirose, M ^{[1
]}

Yagi, H ^{[1
]}

Tamura, S ^{[1
]}

Arai, S ^{[1
]}

机构：

[1] Tokyo Inst Technol, Quantum Nanoelectron Res Ctr, Meguro Ku, Tokyo 1528552, Japan

来源：

ELECTRONICS LETTERS | 2004年 / 40卷 / 20期

关键词：

D O I：

10.1049/el:20046306

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：

A low-threshold and high-efficiency distributed reflector laser consisting of active distributed feedback and quantum-wire distributed Bragg reflector sections has been demonstrated. A threshold current I-th as low as 2.5 mA (j(th) = 190 A/cm(2)), an external differential quantum efficiency from the front facet of 36%, and a submode suppression ratio of 54 dB at a bias current of twice the threshold current were obtained for an active section length of 300 mum with a stripe width of 4.4 mum.

引用

页码：1269 / 1271

页数：3

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