Dual-stage superfluorescent fiber source with 1.16-W output power centered at 1561 nm

被引：6

作者：

Chen, Sheng-Ping ^{[1
]}

Li, Yi-Gang ^{[1
]}

Zhu, Jian-Ping ^{[1
]}

Wang, Hua ^{[1
]}

Lu, Ke-Cheng ^{[1
]}

机构：

[1] Nankai Univ, Inst Phys, Tianjin 300071, Peoples R China

来源：

OPTICAL ENGINEERING | 2006年 / 45卷 / 05期

关键词：

superfluorescent fiber source (SFS); dual stage; erbium-ytterbium-codoped fiber; Rayleigh backscattering; optical coherence tomography;

D O I：

10.1117/1.2202643

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A 1.16-W superfluorescent fiber source (SFS) centered at 1561 nm with a 3-dB bandwidth of 8 nm has been achieved, under the pumping of a 3.56-W 976-nm laser diode array. The optical conversion efficiency reaches 32%. The source is constructed in a dual-stage configuration. The first stage is an ASE seed source with output power about 30 mW in the C band. The second stage is a backward-pumped high-power erbium-ytterbium-codoped double-clad fiber amplifier. An interesting phenomenon has been observed: low-power ASE seed source causes laser oscillation in the SFS, yet a relatively high-power ASE seed source prevents the SFS from lasing. The Rayleigh backscattering and the saturation effect of the amplifier are considered to explain the phenomenon. (C) 2006 Society of Photo-Optical Instrumentation Engineers.

引用

页数：4

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