Sobon Grzegorz, Kaczmarek Pawel, Antonczak Arkadiusz, Sotor Jaroslaw, Abramski Krzysztof M
Laser & Fiber Electronics Group, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, Wroclaw, Poland.
Opt Express. 2011 Sep 26;19(20):19104-13. doi: 10.1364/OE.19.019104.
In this paper we present our experimental studies on controlling the amplified spontaneous emission (ASE) from Yb(3+) ions in Er/Yb co-doped fiber amplifiers. We propose a new method of controlling the Yb-ASE by stimulating a laser emission at 1064 nm in the amplifier, by providing a positive 1 μm signal feedback loop. The results are discussed and compared to a conventional amplifier setup without 1 μm ASE control and to an amplifier with auxiliary 1064 nm seeding. We have shown, that applying a 1064 nm signal loop in an Er/Yb amplifier can increase the output power at 1550 nm and provide stable operation without parasitic lasing at 1 μm.
在本文中，我们展示了关于控制铒镱共掺杂光纤放大器中镱离子放大自发辐射（ASE）的实验研究。我们提出了一种通过在放大器中激发1064nm的激光发射来控制镱ASE的新方法，即提供一个正向的1μm信号反馈回路。对实验结果进行了讨论，并与没有1μm ASE控制的传统放大器设置以及具有辅助1064nm种子注入的放大器进行了比较。我们已经表明，在铒镱放大器中应用1064nm信号回路可以提高1550nm处的输出功率，并提供稳定运行，且不会在1μm处产生寄生激光。
