So it can be expected that two-segment DFB lasers will play important roles in future DWDM and multi-wavelength network.
因此，两段式d FB激光器可望在密集波分复用以及多波长网络中获得应用。
The tuning mechanism of two-segment DFB lasers is explained in terms of the fundamental phase and amplitude reflection properties of the waveguide gratings.
两节DF B激光器的调谐机理可根据波导光栅反射特性的基本相位和幅度来解释。
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。
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