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首页> 外文期刊>Optical and quantum electronics >Dynamic power and chirp measurements of amplified 19 ps pulses in travel ing-wave and reflective semiconductor optical amplifiers using a linear pulse characterization technique
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Dynamic power and chirp measurements of amplified 19 ps pulses in travel ing-wave and reflective semiconductor optical amplifiers using a linear pulse characterization technique

机译：使用线性脉冲表征技术在行波和反射半导体光放大器中放大的19 ps脉冲的动态功率和chi测量

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摘要

The dynamic chirp and power of amplified pulses in semiconductor optical amplifiers is of importance in the application of these devices as conventional amplifiers and in optical signal processing. Non-linear measurement techniques are appropriate for pulsewidths less than 5ps but have low sensitivity for wider pulsewidths commonly present in moderate bit rate optical systems. Typical measurements of chirp and power of 20GHz repetition rate amplified 19ps pulsewidth pulses in traveling-wave and reflective SOAs are obtained using a linear characterization technique based on small-signal sinusoidal modulation at half the pulse stream repetition rate and post-processing of the resulting optical spectrums. The results show that the amplified pulse dynamic power and chirp can have a complex structure and thereby pulse spectrum, which in turn can influence pulse propagation in optical fiber.
机译：半导体光放大器中放大脉冲的动态线性调频和功率在这些设备作为常规放大器的应用和光信号处理中很重要。非线性测量技术适用于小于5ps的脉冲宽度，但对中等比特率光学系统中通常存在的较宽脉冲宽度灵敏度较低。使用线性表征技术，基于小信号正弦调制的线性表征技术，以一半的脉冲流重复率，对行波和反射SOA中的20ps重复率放大的19ps脉宽脉冲的chi和功率进行典型测量，并对所得的光进行后处理频谱。结果表明，放大后的脉冲动态功率和线性调频脉冲可以具有复杂的结构，从而具有脉冲频谱，进而影响光纤中的脉冲传播。

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