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Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
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Nanosecond optical switching and control system for data center networks.
Xuwei Xue1, Nicola Calabretta2
1Electro-Optical Communications group, IPI research institute, Eindhoven University of Technology, 5612 AZ, Eindhoven, Netherlands. x.xue.1@tue.nl.
Nature Communications
|April 27, 2022
Summary
This study demonstrates a novel nanosecond optical switching system for data centers, overcoming bandwidth bottlenecks and improving efficiency. The system offers rapid control, packet contention resolution, and precise clock recovery for optical networks.
Area of Science:
- Computer Science
- Optical Engineering
- Network Architecture
Background:
- Traditional electrical data center networks face bandwidth limitations and high power consumption due to multi-tier switching.
- Optical switching offers superior bandwidth, cost, and power efficiency for data center traffic.
- Challenges in deploying optical switches include nanosecond control, optical buffering for packet contention, and clock/data recovery.
Purpose of the Study:
- To experimentally demonstrate a nanosecond optical switching and control system for data center networks.
- To address the limitations of current optical switch technology for high-speed data center applications.
Main Methods:
- Development and experimental validation of a nanosecond optical switching system.
- Integration of nanosecond switch control, packet contention resolution, and clock/data recovery functionalities.
Main Results:
- Achieved a 43.4 nanosecond switching and control capability for an optically switched data center network.
- Successfully implemented packet contention resolution within the optical switching system.
- Demonstrated 3.1 nanosecond clock and data recovery.
Conclusions:
- The demonstrated nanosecond optical switching system effectively overcomes key challenges in optical data center networking.
- This technology enables high-performance, efficient, and scalable optical data center networks.
