采用超大BiCMOS技术的小型、低功耗40 Gbit/s差分激光驱动器

2009 European Microwave Integrated Circuits Conference (EuMIC) Pub Date : 2009-09-01 DOI:10.23919/eumc.2009.5296521

C. Knochenhauer, S. Hauptmann, C. Scheytt, F. Ellinger

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引用次数: 5

摘要

提出了一种用于40 Gbit/s光通信的差分激光驱动器，该驱动器为并联100 fF电容的50 Ω电阻模拟激光器提供10 mA电流摆幅。该电路采用多种频率补偿技术，无需占用空间的电感即可实现非常高的速度。该驱动器采用180 GHz-fT，最大SiGe BiCMOS技术实现。测量显示增益为15 dB，带宽为26 GHz，睁眼速度高达50 Gbit/s。该驱动器的功耗仅为80兆瓦，使其成为迄今为止发布的所有无电感的40 Gbit/s SiGe激光驱动器中最快和最节能的。

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A compact, low-power 40 Gbit/s differential laser driver in sige BiCMOS technology

A differential laser driver for 40 Gbit/s optical communications delivering a 10 mA current swing to a laser modeled as a 50 Ω resistance in parallel to a 100 fF capacitance is presented. The circuit employs multiple frequency compensation techniques to achieve very high speed without space-consuming inductors. The driver was implemented in a 180 GHz-fT,max SiGe BiCMOS technology. Measurements showed 15 dB gain with 26 GHz bandwidth and open eyes up to 50 Gbit/s. The driver's power consumption was only 80 mW making it the fastest and most power efficient of all inductorfree 40 Gbit/s SiGe laser drivers published to date.

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2009 European Microwave Integrated Circuits Conference (EuMIC)

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