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首页> 外文期刊>Journal of Infrared, Millimeter and Terahertz Waves >Resonance Suppression of Grounded Coplanar Waveguide in Submount for 40 Gb/s Optoelectronic Modules
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Resonance Suppression of Grounded Coplanar Waveguide in Submount for 40 Gb/s Optoelectronic Modules

机译:用于40 Gb / s光电模块的地下安装的共面波导的谐振抑制

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摘要

It is a key issue in optoelectronic modules to feed high-frequency microwave signals to device chips with low loss and reflection. In our work, microwave resonances in frequency response of 40 Gb/s optoelectronic modules are suppressed through theoretical and experimental optimization. Such resonances due to microstrip-like modes of grounded coplanar waveguide (GCPW) severely degrade the performance of optoelectronic devices. The resonances can be suppressed by introducing metal-walled via holes in GCPW submount. The diameter and the spacing of the via holes are optimized to be 0.2 mm and 0.8 mm, respectively. An electroabsorption modulated laser (EML) module with over 30 GHz modulation bandwidth has been demonstrated without obvious high frequency resonances.
机译:在光电模块中,以低损耗和低反射率将高频微波信号馈送到设备芯片是一个关键问题。在我们的工作中,通过理论和实验优化来抑制40 Gb / s光电模块的频率响应中的微波共振。接地共面波导(GCPW)的微带状模式引起的此类谐振严重降低了光电器件的性能。通过在GCPW基座中引入金属壁通孔,可以抑制谐振。通孔的直径和间距分别优化为0.2 mm和0.8 mm。已经证明,具有超过30 GHz调制带宽的电吸收调制激光器(EML)模块没有明显的高频谐振。

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