阈值增益 meaning in Chinese
gain for threshold value
threshold gain
Examples
- In this paper , micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed , the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model . the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser , the layer refractive index and pair number of bragg mirror , thickness , position and oxidized material ' s refractive index of oxidized aperture , in detail . more practically , considering dos shell of laser as non - perfect one , or supposing that dos shell is separated from the laser , we can obtain more significative results
本工作以矢量场模型出发，对具有诱人应用前景的柱形垂直腔面发射结构( vcsel )的微腔半导体激光器( mcsl )进行了理论分析，建立了用于分析方柱形和圆柱形结构具有氧化孔径层的激光器的模式特性的理论模型；对圆柱形结构情况进行了数值模拟，得到了振荡波长、阈值增益随激光器内外半径、 bragg反射镜层折射率、周期数以及氧化孔径层厚度、位置和氧化物折射率的详细变化规律；为使理论计算更接近实际，将外加金属包壳视为非理想导体，或将金属包壳与激光器结构隔开，分别对这两种情况下的结果进行了讨论。