1.3-μm, 4 x 25-Gbit/s, EADFB laser array module with large-output-power and low-driving-voltage for energy-efficient 100GbE transmitter

被引：56

作者：

Fujisawa, Takeshi ^{[1
]}

Kanazawa, Shigeru ^{[1
]}

Takahata, Kiyoto ^{[1
]}

Kobayashi, Wataru ^{[1
]}

Tadokoro, Takashi ^{[1
]}

Ishii, Hiroyuki ^{[1
]}

Kano, Fumiyoshi ^{[1
]}

机构：

[1] NTT Corp, NTT Photon Labs, Atsugi, Kanagawa 2430198, Japan

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 01期

关键词：

DFB LASER; MODULATORS;

D O I：

10.1364/OE.20.000614

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A 1.3-mu m, 4 x 25-Gbit/s, EADFB laser array module with large output power and low driving voltage is developed for 100GbE. A novel rear grating DFB laser is introduced to increase the output power of the laser while keeping the single mode lasing, which is desirable for a monolithic integration. Also, InGaA1As-based electroabsorption modulators make very-low-driving-voltage operation possible due to their steep extinction curves. With the module, very clear 25-Gbit/s eye openings are obtained for four wavelengths with the driving voltage of only 0.5 V while securing the dynamic extinction ratio required by the system. These results indicate that the presented module is a promising candidate for energy-efficient future 100GbE transmitter. (C) 2011 Optical Society of America

引用

页码：614 / 620

页数：7

共 9 条

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