High-Speed 850 nm Quasi-Single-Mode VCSELs for Extended-Reach Optical Interconnects

被引：18

作者：

Safaisini, Rashid ^{[1
]}

Szczerba, Krzysztof ^{[1
]}

Westbergh, Petter ^{[1
]}

Haglund, Erik ^{[1
]}

Kogel, Benjamin ^{[1
]}

Gustavsson, Johan S. ^{[1
]}

Karlsson, Magnus ^{[1
]}

Andrekson, Peter ^{[1
]}

Larsson, Anders ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Microtechnol & Nanosci, Photon Lab, S-41296 Gothenburg, Sweden

来源：

JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING | 2013年 / 5卷 / 07期

关键词：

High-speed data communication; Long-distance data transmission; Multi-mode fiber; Narrow spectral width; Optical interconnect; Quasi-single-mode laser; Vertical-cavity surface-emitting laser (VCSEL); OPERATING ERROR-FREE; MULTIMODE FIBER; PHOTON LIFETIME; 25; GBIT/S; TRANSMISSION; COMMUNICATION; LASERS;

D O I：

10.1364/JOCN.5.000686

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents recent results on high-speed, quasi-single-mode, 850 nm vertical-cavity surface-emitting lasers (VCSELs) with a narrow spectral width for extended-reach optical interconnects. The top mirror reflectivity is adjusted for high output power, slope efficiency, and small signal modulation bandwidth. An oxide confined VCSEL with an similar to 3 mu m aperture diameter delivers 2 mW of output power and reaches a resonance frequency as high as 25 GHz and a modulation bandwidth exceeding 20 GHz. A small K-factor of 0.17 ns and a large D-factor of 17.3 GHz/mA(1/2), extracted from the VCSEL modulation response, along with the improved DC and modal properties enable energy-efficient data transmission at high bit rates over long-distance multimode fiber. Error-free transmission at bit rates exceeding 20 Gbits/s over 1.1 km of OM4 fiber is demonstrated and shown to be limited mainly by the photoreceiver bandwidth. A theoretical investigation of the dependence of link performance on photoreceiver bandwidth is also presented.

引用

页码：686 / 695

页数：10

共 29 条

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