The differential gain coefficient decreases with increased sheet carrier density.
微分增益系数随薄层载流子密度的增加而降低。
On the basis of this, the effective reflective index with the variation of the carrier density is discussed.
在此基础上，研究了每一段等效反射率谱曲线随载流子浓度变化的情况；
This structure satisfies the equilibrium condition of carrier density at the contact interface for both holes and electrons.
这种结构使载流子在接触界面两边均能维持其平衡值。
Analyzing the carrier density and photon density of VCL in active region, the physical mechanism of gain clamping was revealed.
分析有源区内载流子和VCL光子密度的变化，揭示了增益钳制的物理机理。
In this paper, the condition under which the surface excess minority carrier density may be treated as a constant is also analysed.
在文中，我们也分析了可以把表面非平衡少子浓度作常数处理的条件。
Secondly, mathematical model of time-resolved carrier density has been established on the base of semiconductor rate equation theory.
然后基于半导体的速率方程理论，建立了载流子浓度随时间变化的数学模型。
Using this expression, the interrelation of the carrier density in each segment and the emission wavelength can be predicted while the laser is lasing.
该表达式可以用来预测激光器激射工作时，两段载流子浓度和激射波长之间的相互关系。
Further analysis shows that it is caused by the enhancement of the threshold current density and threshold carrier density in terms of optical-gain spe.
进一步分析认为，这是因为条宽变窄导致器件阈值电流密度、阈值载流子密度变大造成的。
For a loss modulation where the threshold carrier density may change, the neglected term may become comparable to the retained first order small quantity.
在损耗调制的情况下，系统变化前后的阈值载流子密度不同，被忽略的二阶小量可能会达到与一阶小量可比拟的程度。
Based on coupling-wave equation, two-segment DFB lasers have been analyzed, and implicit expression of their carrier density and emission wavelength has been obtained.
利用耦合波方程，对两段式DF B激光器进行理论分析，得出了激光器激射工作时两段载流子浓度和激射波长之间所满足的隐含表达式。
It is indicated that the laser structures with many quantum Wells will suffer from the inhomogeneity of the carrier density within the quantum well itself which affects the LD performance.
结果表明，当激光器包含多个量子阱时，量子阱内部的载流子密度的不均匀性会损害激光器的性能。
The essay discusses a series of tests which the factors of the carrier density . solidified agent density, medium and PH value influence the capacity of lysine production solidified yeasts.
本文报道了载体浓度、固化剂浓度、培养基浓度以及其PH值等因素对固定化酵母产赖氨酸影响的系列试验和结果。
The electrical potential, field and carrier density in emission layer of single layer organic light-emitting devices are numerically studied based on the trapped charge limited conduction theory.
以陷阱电荷限制传导理论为基础，用数值方法研究了单层有机电致发光器件发光层中电势、电场和载流子密度的空间分布。
Research advances of low density lipoprotein as medicine carrier.
低密度脂蛋白作为药物载体的研究进展。
As an ideal energy carrier, Hydrogen has advantages of high energy density, high convert efficiency and cleanness.
氢是一种十分理想的载能体，它具有能量密度高，热转化效率高，清洁无污染等优点。
The erasable optical disk with high recording density, high stability, high data transfer rate, high carrier-noise ratio and low error rate arc the main points in the research and development.
当前的研究与开发的重点是具有高记录密度，数据传输速率快、稳定性好、载噪比大和误码率低的可擦型光盘存储材料。
So the machine has many controlling assemblies such as needle selecting, triangle changing, density adjusting, needle bed moving, thread-carrier changing etc.
因而机器有多类控制装置，如选针、三角变换、密度调节、针床横移、导纱器变换装置等。
For the range of fluences studied, the observed effects result from a reduction in minority carrier lifetime in the IGBT and not from changes in the effective dopant density.
对于所研究的注量范围，所观察的效应是由于IGBT少子寿命减少造成的，而不是由于有效掺杂浓度变化所致。
In order to decrease the operation expenditure, we select a kind of rubber carrier particles whose density is similar to water. Gas holdup...
为了减少反应器运行中的能耗，筛选出了一种新型轻质橡胶载体。
This invention relates to a highly efficient artificial low-density lipoprotein (LDL) carrier system for the targeted delivery therapeutic agents across the blood-brain barrier (BBB).
本发明涉及用于靶向传递治疗剂穿过血脑屏障(BBB)的高效人工低密度脂蛋白(LDL)载体体系。
The semiclassical density-matrix theory with carrier intraband relaxation broading is described.
本文简明地描述了由载流子带内弛豫加宽的半经典的密度矩阵理论。
The semiclassical density-matrix theory with carrier intraband relaxation broading is described.
本文简明地描述了由载流子带内弛豫加宽的半经典的密度矩阵理论。
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