RF transmission over multimode fibers using VCSELs - Comparing standard and high-bandwidth multimode fibers

被引：58

作者：

Carlsson, C ^{[1
]}

Larsson, A

Alping, A

机构：

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

[2] Ericsson AB, MHSERC, SE-43184 Molndal, Sweden

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2004年 / 22卷 / 07期

关键词：

analog modulation; distortion; noise; semiconductor lasers; vertical-cavity surface-emitting lasers (VCSELs);

D O I：

10.1109/JLT.2004.831163

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：

Fiber-optic radio-frequency links have been assembled using oxide-confined vertical-cavity surface-emitting lasers (VCSELs) and multimode fibers. Links with single and multimode VCSELs and with standard and high-bandwidth fibers have been evaluated and compared in the frequency range of 0.1-10 GHz. The best results were obtained for links with a multimode VCSEL and a high-bandwidth fiber. For a 500-m-long link, a spurious free dynamic range of 104 dB. HZ(2/3) at 2 GHz and 100 dB (.) Hz(2/3) at 5, GHz were obtained while allowing for a VCSEL-fiber misalignment of +/-12 mum. Corresponding numbers for the intrinsic link gain and noise figure are -29 and -33 dB, and 39 and 42 dB at 2 and 5 GHz, respectively. Inferior performance Was observed for the standard fiber link due to a larger variation in modal group velocities. This paper also presents a detailed link analysis to identify performance limitations and to suggest modifications for improved performance.

引用

页码：1694 / 1700

页数：7

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