Electroabsorption-modulated DFB laser integrated with dual-waveguide spot-size converter

被引：0

作者：

Hou, LP ^{[1
]}

Wang, W ^{[1
]}

Zhu, HL ^{[1
]}

Wang, BJ ^{[1
]}

Zhou, F ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, Natl Res Ctr Optoelect Technol, Beijing 100083, Peoples R China

来源：

OPTOELECTRONIC MATERIALS AND DEVICES FOR OPTICAL COMMUNICATIONS | 2005年 / 6020卷

关键词：

DFB laser diode; electroabsorption modulator; spot-size converters; selective area growth; quantum well intermixing; dual-core structure;

D O I：

10.1117/12.629242

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 1.55-mu m ridge DFB laser and electroabsorption modulator monolithically integrated with a buried-ridge-stripe dual-waveguide spot-size converter at the output port for low-loss coupling to a cleaved single-mode optical fiber was fabricated by means of selective area growth, quantum well intermixing and dual-core technologies. These devices exhibit threshold current of 28 mA, side mode suppression ratio of 38.0 dB, 3-dB modulation bandwidth of 12.0 GHz, modulator extinction ratios of 25.0 dB dc. The output beam divergence angles of the spot-size converter in the horizontal and vertical directions are as small as 8.0 degrees x 12.6 degrees, respectively, resulting in 3.2 dB coupling loss with a cleaved single-mode optical fiber.

引用

页数：7

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