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Related Experiment Video

Updated: May 11, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

30-Gb/s 90-nm CMOS-driven equalized multimode optical link.

Brendan H Hamel-Bissell1, Jonathan E Proesel, Benjamin G Lee

  • 1IBM TJ Watson Research Center, Yorktown Heights, NY 10598, USA.

Optics Express
|May 15, 2013
PubMed
Summary
This summary is machine-generated.

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This study presents a record-breaking 30 Gb/s optical link using a vertical cavity surface emitting laser (VCSEL) and standard CMOS integrated circuits. This breakthrough in speed was achieved using advanced equalization techniques for optical communication.

Area of Science:

  • Optoelectronics
  • Integrated Circuit Design
  • High-Speed Communication

Background:

  • Advancements in optical communication are crucial for meeting increasing data demands.
  • CMOS technology is a key enabler for cost-effective high-speed transceivers.
  • Vertical Cavity Surface Emitting Lasers (VCSELs) offer advantages for optical interconnects.

Purpose of the Study:

  • To demonstrate a new record speed for a full optical link based on CMOS technology.
  • To evaluate the performance of an 850-nm VCSEL-based optical link.
  • To investigate the impact of equalization techniques on link performance.

Main Methods:

  • Fabrication of laser driver and receiver ICs using standard 90-nm bulk CMOS.
  • Integration of commercial 850-nm VCSEL optoelectronic devices.

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Last Updated: May 11, 2026

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  • Implementation and testing of transmitter feed-forward equalization (FFE).

    • Main Results:

    • Achieved a record data rate of 30 Gb/s with a bit-error rate (BER) below 10(-12).
    • Transmitter FFE improved the maximum data rate from 25 Gb/s to 30 Gb/s.
    • FFE enhanced timing margin by 17% and receiver sensitivity by 4 dB at 23.5 Gb/s.

    Conclusions:

    • The developed optical link represents the highest speed reported for a CMOS-based full optical link.
    • Transmitter FFE is an effective technique for improving high-speed optical link performance.
    • Standard CMOS technology combined with VCSELs can support next-generation high-speed optical interconnects.