Bistability in a ring erbium-doped fiber laser due to ejected backward amplified spontaneous emission

被引：1
|
作者：
Zhurahov, Michael [1 ]
Bekker, Alexander [1 ]
Levit, Boris [1 ]
Weill, Rafi [1 ]
Fischer, Baruch [1 ]
机构：
[1] Technion, Dept Elect Engn, IL-32000 Haifa, Israel
来源：
OPTICS EXPRESS | 2017年 / 25卷 / 26期
基金：
以色列科学基金会;
关键词：
OPTICAL BISTABILITY; ABSORPTION;
D O I：
10.1364/OE.25.032451
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show and identify the role of the backward amplified spontaneous emission (ASE) in inducing bistability and hysteresis in a unidirectional ring erbium-doped fiber (edf) laser. It results from the interplay between the signal and the backward ASE in the gain medium that is ejected from the fiber loop by an isolator. A removal of the isolator eliminates the bistability. Another important factor is the strong wavelength dependence of the absorption and emission coefficients and their ratio. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：32451 / 32456
页数：6
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