Amplification of picosecond pulses and gigahertz signals in bismuth-doped fiber amplifiers.
Amplification of picosecond pulses and gigahertz signals in bismuth-doped fiber amplifiers.
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DOI：
10.1364/ol.36.001446
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发表时间：
2011-04
期刊：
影响因子：
3.6
通讯作者：
B. Chapman;E. Kelleher;Konstantin M. Golant;S. Popov;J. Taylor
中科院分区：
文献类型：
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作者：
B. Chapman;E. Kelleher;Konstantin M. Golant;S. Popov;J. Taylor
我们证明了在两种掺铋铝硅酸盐纤维中放大皮秒脉冲的能力。在铋光纤放大器的增益带宽范围内，利用光谱滤波的超连续谱源提供一串离散波长的皮秒脉冲。在30 m长度的有源光纤中，观察到1160 nm处的小信号增益超过20 dB。此外，我们评估了在这种放大器中放大高重复率信号的可行性，将10 GHz调制应用于工作在1178 nm的连续波拉曼光纤激光器，发现这些信号被放大而没有明显的失真。
We demonstrate the capability for amplification of picosecond pulses in two bismuth-doped alumosilicate fibers. A spectrally filtered supercontinuum source is used to provide a train of picosecond pulses at discrete wavelengths within the gain bandwidth of bismuth fiber amplifiers. With a 30 m length of active fiber, a small signal gain at 1160 nm of over 20 dB is observed. In addition, we assess the viability of amplification of high repetition rate signals in such amplifiers, applying a 10 GHz modulation to a continuous wave Raman fiber laser operating at 1178 nm, finding that such signals are amplified without noticeable distortion.