modulation bandwidth

The results show that the SQW LD has good temperature property and wide modulation bandwidth.

结果表明它具有较好的温度特性和较大调制带宽。

influence of active volume on the current modulation bandwidth of micro-cavity semiconductor lasers

有源区体积对微腔半导体激光器电流调制带宽的影响

Finite element method is used to analyze the performance ( e.g.microwave effective refractive index, modulation bandwidth, and characteristic impedance) of the novel modulator with ACPS or SCPS electrodes.

利用有限元法对非对称共面带线（ACPS）和对称共面带线（SCPS）两种电极的光纤型调制器微波等效折射率、调制带宽和特性阻抗进行分析。

this technique is elegant and proves to be an easier way than direct measurement of optical modulation bandwidth .

这个方法比直接透过光学量测调变频宽更为方便。

It has the advantages of fine frequency resolution, short frequency conversion time, wide modulation bandwidth and controlling facility, and has capability of generating the different waveforms.

它具有频率分辨率高（可达uHz）、频率转换时间短（可达ns）、输出频率带宽很宽、程控灵活等优点，并具有产生多种常用波形的能力。

the current modulation bandwidth of micro-cavity semiconductor lasers versus the active volume is analyzed.

主要讨论了微腔半导体激光器电流调制带宽随有源区体积的变化规律。