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Related Experiment Videos

2 Gbit/s 0.5 microm complementary metal-oxide semiconductor optical transceiver with event-driven dynamic power-on

Xingle Wang1, Fouad Kiamilev, Ping Gui

  • 1International Business Machines, Essex Junction, Vermont, USA.

Applied Optics
|June 17, 2006
PubMed
Summary

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This study introduces a power-efficient optical transceiver with optical wake-on-link (OWL) technology. It dynamically switches between active and sleep modes, significantly reducing power consumption for optical interconnects.

Area of Science:

  • Optoelectronics
  • Integrated Circuits
  • Computer Engineering

Background:

  • Power consumption in high-speed optical interconnects is a significant challenge.
  • Existing solutions often lack dynamic power management capabilities.
  • Board- and backplane-level interconnections require efficient power solutions.

Purpose of the Study:

  • To present a novel 2 Gb/s complementary metal-oxide semiconductor (CMOS) optical transceiver.
  • To implement an event-driven dynamic power-on technique called optical wake-on-link (OWL).
  • To demonstrate significant power reduction in optical interconnects.

Main Methods:

  • Design and implementation of a CMOS optical transceiver supporting OWL.
  • Development of a dual-mode operation: active (gigabit link) and sleep (low-power link).

Related Experiment Videos

  • Utilizing a shared optical channel for both low-power synchronization and high-speed data transmission.

    • Main Results:

    • The transceiver successfully demonstrated event-driven dynamic power-on operation.
    • The low-power link consumes approximately 1.8 mW, a substantial reduction from the active link's >100 mW.
    • The circuit area for the low-power link is approximately one-tenth of the gigabit link circuits.

    Conclusions:

    • The developed OWL technique offers a power-efficient solution for optical interconnects.
    • This represents the first implementation of a dynamic power-on scheme for optical interconnects.
    • The transceiver design significantly reduces transceiver power consumption through intelligent mode switching.