A CMOS laser driver with independently adjustable DC and modulation currents for data rates up to 2.5 Gb/s

2000 IEEE International Symposium on Circuits and Systems. Emerging Technologies for the 21st Century. Proceedings (IEEE Cat No.00CH36353) Pub Date : 2000-05-28 DOI:10.1109/ISCAS.2000.857462

N. Haralabidis, G. Halkias

引用次数: 13

Abstract

A CMOS laser diode driver (LDD) has been designed and tested, which offers the capability of independent DC and modulation current adjustments. The DC component used to pre-bias the laser diode is adjustable at a range of 0-40 mA. The modulation current can also be adjusted within a range of 0-30 mA. According to experimental results it can efficiently accommodate data rates up to 2.5 Gb/s while maintaining the full range of DC pre-bias component. Special issues regarding performance degradation have been addressed during circuit design which led to at least 25% performance enhancement compared to a conventional solution. The circuit has been fabricated in AMS 0.8 /spl mu/m CMOS process.

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具有独立可调直流和调制电流的CMOS激光驱动器，数据速率高达2.5 Gb/s

设计并测试了一种具有独立直流和调制电流调节能力的CMOS激光二极管驱动器。用于预偏置激光二极管的直流元件可在0-40 mA范围内调节。调制电流也可以在0-30 mA的范围内调节。实验结果表明，在保持全范围直流预偏分量的情况下，该方案可以有效地适应高达2.5 Gb/s的数据速率。在电路设计过程中解决了有关性能下降的特殊问题，与传统解决方案相比，性能提高了至少25%。该电路采用ams0.8 /spl μ m CMOS工艺制作。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2000 IEEE International Symposium on Circuits and Systems. Emerging Technologies for the 21st Century. Proceedings (IEEE Cat No.00CH36353)

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