Barnes M E, Mihoubi Z, Wilcox K G, Quarterman A H, Farrer I, Ritchie D A, Garnache A, Hoogland S, Apostolopoulos V, Tropper A C
School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK.
Opt Express. 2010 Sep 27;18(20):21330-41. doi: 10.1364/OE.18.021330.
We present a method to experimentally characterize the gain filter and calculate a corresponding parabolic gain bandwidth of lasers that are described by "class A" dynamics by solving the master equation of spectral condensation for Gaussian spectra. We experimentally determine the gain filter, with an equivalent parabolic gain bandwidth of up to 51 nm, for broad-band InGaAs/GaAs quantum well gain surface-emitting semiconductor laser structures capable of producing pulses down to 60 fs width when mode-locked with an optical Stark saturable absorber mirror.
我们提出了一种实验方法，通过求解高斯光谱的频谱凝聚主方程，对由“A类”动力学描述的激光器的增益滤波器进行实验表征，并计算相应的抛物线增益带宽。我们通过实验确定了增益滤波器，其等效抛物线增益带宽高达51nm，该增益滤波器用于宽带InGaAs/GaAs量子阱增益面发射半导体激光结构，当用光学斯塔克可饱和吸收镜锁模时，该结构能够产生宽度低至60fs的脉冲。
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