提出了一种用小功率宽带光源较精确测量光纤放大器小信号增益谱的方法。
In this paper, a method evaluating small signal gain spectrum of optical fiber amplifier only using a small power broadband light source was proposed.
光放大器，用于光放器中的激励光源控制方法，和光放大器控制方法。
Optical amplifier, method for controlling excitation light source in optical amplifier, and method for controlling optical amplifier.
设计了具体的LED光源的驱动电路，以及前置放大器、减法器等的具体电路。
Have designed the concrete drive circuit of LED light sources and the concrete circuits of preamplifier and subtracter, etc.
光放大器，用于光放大器中的激励光源控制方法，和光放大器控制方法。
Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method.
分析了喇曼光纤放大器的泵浦光源个数、波长、功率等因素对放大器增益平坦度的影响。
The influences on the gain flatness of the Raman fiber amplifier by the number of pumps, wavelength, power and other factors are also analysed.
文中的设计方法和结论对拉曼放大器的泵浦光源退偏设计具有一定参考作用。
The design method and conclusion presented in this paper may contribute to the depolarization design for the pump laser of Raman amplifiers.
在输入宽带光源时，得到两光纤布拉格光栅在不同中心波长之差时的掺铒光纤放大器的增益特性。
When the broad band light source is input, the VEDFA gain characteristics in the two fiber gratings different wavelength difference are obtained.
锥形结构的半导体激光放大器系统主要包括半导体激光源、锥形放大器、精密电流源和温度控制系统，核心部件是锥形放大器。
The tapered amplifier system includes semiconductor laser source, tapered amplifier chip, precision current source and temperature control system; and the core component is the tapered amplifier chip.
第二套系统采用的是基于半导体光放大器（SOA）的可调谐激光器做光源，有效的增加了光源的输出功率，提高了信噪比；
The second system is tunable laser light source based on semiconductor optical amplifier(SOA), light output power and signal-to-noise ratio are improved effectively;
第二套系统采用的是基于半导体光放大器（SOA）的可调谐激光器做光源，有效的增加了光源的输出功率，提高了信噪比；
The second system is tunable laser light source based on semiconductor optical amplifier(SOA), light output power and signal-to-noise ratio are improved effectively;
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