Optimum design of Er3+-Yb3+ codoped fibers for large-signal high-pump-power applications

被引：91

作者：

Karasek, M

机构：

[1] Inst. of Radio Eng. and Electronics, Acad. of Sci. of the Czech Republic

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1997年 / 33卷 / 10期

关键词：

optical fiber amplifiers; optical fiber communication; optical fiber lasers; optical fibers;

D O I：

10.1109/3.631268

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 comprehensive numerical fiber amplifier model has been used to optimize Er3+-Yb3+ codoped active fiber for maximum gain and quantum conversion efficiency (QCE) at large signal operation. The optimum cutoff wavelength of the LP11 mode has been found to increase from 800 nm at low pump powers (approximate to 50 mW) to 1400 nm at pump powers higher than 500 mW. While at low pump powers fibers with higher numerical aperture give higher QCE, at high pump levels better large signal performance is achieved with fibers having lower numerical aperture.

引用

收藏

页码：1699 / 1705

页数：7

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