Numerical analysis of multifrequency erbium-doped fibre ring laser employing periodic filter and frequency shifter

被引：32

作者：

Karásek, M ^{[1
]}

Bellemare, A ^{[1
]}

机构：

[1] Univ Laval, Ctr Opt Photon & Laser, Dept Elect & Comp Engn, Quebec City, PQ G1K 7P4, Canada

来源：

IEE PROCEEDINGS-OPTOELECTRONICS | 2000年 / 147卷 / 02期

关键词：

D O I：

10.1049/ip-opt:20000286

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：

Numerical analysis of a recently proposed multifrequency erbium-doped ring laser employing a frequency periodic filter and frequency shifter is presented. The model is based on a homogeneously broadened three-level approximation of an erbium ion. The multifrequency operation is achieved by shifting the frequency of the amplified spontaneous emission (ASE) power circulating in the ring cavity by one wavelength slot each circulation period to prevent steady-state single-frequency laser operation. The effect of cavity loss, erbium-doped fibre (EDF) gain, direction of ASE circulation on lasing spectrum uniformity and output power is investigated.

引用

页码：115 / 119

页数：5

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