All-optical gain-clamped erbium-doped fiber-ring lasing amplifier with laser filtering technique

被引：37

作者：

Subramaniam, T ^{[1
]}

Mahdi, MA ^{[1
]}

Poopalan, P ^{[1
]}

Harun, SW ^{[1
]}

Ahmad, H ^{[1
]}

机构：

[1] Univ Malaya, Telekom Malaysia Photon Res Ctr, Fac Sci, Dept Phys, Kuala Lumpur 50603, Malaysia

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2001年 / 13卷 / 08期

关键词：

erbium-doped fiber amplifier; fiber Bragg-grating; optical gain-clamping;

D O I：

10.1109/68.935803

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 unique laser filtering technique of a gain-clamped erbium-doped fiber amplifier based on ring-laser cavity is demonstrated. The filtering mechanism is achieved using a single fiber Bragg-grating, which also functions as a laser feedback reflector at the output end of the amplifier. This new design has low noise and most important, shows up to 98% reduction in output laser intensity as compared with a previous design studied earlier. An optimum result with gain and noise around 25 and 3.5 dB, respectively, obtained for a dynamic range of input signal power up to -8 dBm.

引用

页码：785 / 787

页数：3

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