A 3.5-Gb/s CMOS burst-mode laser driver with automatic power control using single power supply

Day-Uei Li, Li-Ren Huang, Chia-Ming Tsai

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

8 Citations (Scopus)


A 3.5-Gb/s burst-mode laser driver with automatic power control (APC) fabricated in 0.25 /spl mu/m 1P5M CMOS process is presented. With the proposed waveform shaping circuit, the driver could operate under a single 3.3 V power supply without sacrificing output headroom, and it could output 6 mA to 60 mA modulation current with negligible overshoot. Measurements on mounted chips show clear electrical eye diagrams operating over 3.5-Gb/s data rate with typical rise/fall times (20% to 80%) of 84/97 ps. Moreover, an optical eye diagram is also demonstrated by connecting the driver to a 1.25-Gb/s 1310 nm laser diode. The laser turn on/off time is about 30/20 ns, much less than the criterion (512 ns) that the IEEE 802.3ah standard has proposed.
Original languageEnglish
Title of host publicationIEEE International Symposium on Circuits and Systems (ISCAS), 2005
Place of PublicationPiscataway
Number of pages4
ISBN (Print)0780388348
Publication statusPublished - 25 Jul 2005


  • power lasers
  • power control
  • power supplies
  • driver circuits
  • CMOS process
  • electric variables measurement
  • semiconductor device measurement
  • optical modulation
  • signal analysis
  • joining process

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