自发发射的光子引起受激发射，开始了链式反应。
Spontaneous photons initiate stimulated emission and the chain reaction begins.
研究了三维光子晶体中三能级原子自发发射的性质。
We have studied the properties of spontaneous emission from a three level atom embedded in a photonic crystal.
分布拉曼放大产生大量的放大自发发射(ase)光功率。
Distributed Raman amplification generates a significant amount of amplified spontaneous emission (ASE) optical power.
从样品表面出来的自发发射的空间均匀性似乎与入射光一样。
The space uniformity of spontaneous emitation from the surface of sample is like that of the incident light.
数值模拟结果表明：当自发发射因子较大时，对于不同的有源区体积，电流调制带宽显著不同。
The numerical simulation results show that the modulation bandwidths is obviously different by varying the active volume at an high spontaneous emission coupling ratio.
光学微腔是目前凝聚态物理的研究热点，它能够改变自发发射的特性（谱线宽度、发光强度等）。
Optical microcavity arouses great interest in condensed state physics. It can change characters of spontaneous emission, such as spectral full width at half-maximum, light intensity at peak and so on.
利用金属镜面微腔激光器中真空场和量子阱中电子态函数，对比了TE模和TM模的自发发射谱。
The transmission spectra of TM mode in the bend waveguide with triangular lattice of dielectric rods and TE mode in the bend waveguide have been calculated.
分析表明，光放大器增益波动的大小与器件端面反射率、自发发射因子以及入射光功率等因素有关。
Gain ripple value changes with the residual facet reflectivity, spontaneous emission factor, and incident optical power, etc. Good agreement was obtained between the CAL...
分析表明，光放大器增益波动的大小与器件端面反射率、自发发射因子以及入射光功率等因素有关。
Gain ripple value changes with the residual facet reflectivity, spontaneous emission factor, and incident optical power, etc. Good agreement was obtained bet...
比较了较高激发密度下的受激发射、自发发射和激光脉冲的时间特性，这些都证实了该发射是受激发射。
Time behaviors of the stimulated emission under relatively high pumping intensity, spontaneous emission, and laser pulses were compared, and hence the stimulated emission of ZnO thin films was proved.
从理论和实验上研究了长周期光纤光栅用于掺铒光纤放大器自发发射谱增益平坦展宽的特性、自增益谱的荧光峰和可用带宽。
In this paper, the properties of ASE gain flattened of EDFA are studied based on energy level and particle number shifting of EDFA both theoretically and experimentally.
从理论和实验上研究了长周期光纤光栅用于掺铒光纤放大器自发发射谱增益平坦展宽的特性、自增益谱的荧光峰和可用带宽。
In this paper, the properties of ASE gain flattened of EDFA are studied based on energy level and particle number shifting of EDFA both theoretically and experimentally.
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