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Quasi-light Storage for Optical Data Packets
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Synergistic Driver-Laser/Modulator Co-Design with Versatile Output Stage: A Unified Optical Transmitter EIC Design

Ruixuan Yang1, Cailing Li1, Yifei Xia1

  • 1Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.

Micromachines
|November 27, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a unified optical transmitter electronic integrated circuit (EIC) design for AI data centers. It reduces customization needs and power consumption for optical modules, accelerating deployment.

Keywords:
CMOSdriverlow poweroptical transmitterreconfigurable back termination

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Area of Science:

  • Electrical Engineering
  • Optical Communications
  • Integrated Circuit Design

Background:

  • Artificial intelligence (AI) data centers drive demand for high-speed optical modules.
  • Traditional optical driver integrated circuits (ICs) require device-specific customization, causing design delays and increased costs.
  • These limitations hinder the evolution and rapid deployment of optical modules.

Purpose of the Study:

  • To propose a unified optical transmitter electronic integrated circuit (EIC) design.
  • To overcome the bottlenecks of device-specific customization, interoperability, cost, and power consumption in optical module design.
  • To facilitate faster deployment of optical modules for AI data centers.

Main Methods:

  • Developed a synergistic driver-laser/modulator co-design approach.
  • Introduced a versatile output driver (VOD) configurable to three output impedance states (open-drain, differential 50-Ω, differential 100-Ω).
  • Enabled adjustable power consumption for enhanced power efficiency.

Main Results:

  • The unified EIC design minimizes device-specific customization, enabling a single design to drive diverse optical devices (DFBs, VCSELs, EMLs, MZMs).
  • Achieved adjustable power consumption for maximized power efficiency.
  • Demonstrated a scalable template for next-generation systems.

Conclusions:

  • The proposed unified EIC design addresses critical interoperability, cost, and power challenges in AI data centers.
  • This approach facilitates rapid deployment of advanced optical modules.
  • Offers a versatile solution for next-generation coherent and 4-level pulse amplitude modulation systems.