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Related Experiment Video

Updated: Jul 20, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

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Published on: August 4, 2018

Co-packaged optics (CPO): status, challenges, and solutions.

Min Tan^1,2, Jiang Xu^3,4,5, Siyang Liu⁶

¹School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, China. mtan@hust.edu.cn.

Frontiers of Optoelectronics

|March 20, 2023

Summary

Co-packaged optics (CPO) addresses the growing datacenter traffic demands by integrating photonics and electronics. This silicon-based approach enhances bandwidth density and energy efficiency for future high-performance computing.

Keywords:

Advanced packaging Co-packaged optics Co-simulation External laser High-performance computing Optical power delivery Receiver Silicon photonics Standardization Transmitter

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Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Published on: April 11, 2025

Area of Science:

Optoelectronics
Data Center Technology
Materials Science

Background:

Datacenter traffic is rapidly increasing due to 5G, IoT, AI, and high-performance computing, with nearly 75% of traffic internal to datacenters.
Conventional pluggable optics cannot keep pace with this traffic growth, creating an unsustainable gap between application needs and current capabilities.
Co-packaged optics (CPO) offers a disruptive solution to enhance interconnecting bandwidth density and energy efficiency.

Purpose of the Study:

To provide a comprehensive overview of the state-of-the-art progress in Co-packaged Optics (CPO) on silicon platforms.
To identify key challenges hindering CPO development and deployment.
To propose potential solutions and encourage inter-disciplinary collaboration.

Main Methods:

Review of current research and industry advancements in CPO technology.
Analysis of the integration of photonics and electronics using advanced packaging techniques.
Exploration of silicon photonics as the leading platform for large-scale CPO integration.

Main Results:

CPO significantly shortens electrical link lengths, boosting bandwidth density and energy efficiency.
Silicon platforms are identified as the most promising for scalable CPO integration.
Significant R&D investment from major tech companies highlights CPO's potential.

Conclusions:

CPO is a critical technology for meeting future datacenter interconnection demands.
Addressing challenges in photonic device modeling, electronic-photonic co-simulation, and standardization is crucial.
Inter-disciplinary collaboration is essential to accelerate CPO development and adoption.