Related Experiment Video
Updated: May 5, 2026
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Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
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Experimental demonstration of a low-cost petabit-per-second SDM network node.
Optics Express
|May 4, 2026
Summary
This study presents a cost-effective, space-division multiplexed (SDM) reconfigurable optical add & drop multiplexer (ROADM) for petabit-per-second optical networks. The device integrates MEMS switches and multicore fibers, demonstrating high-capacity traffic handling.
Area of Science:
- Optical networking
- Telecommunications engineering
- Photonics
Background:
- Next-generation optical networks require higher capacity and flexibility.
- Space-division multiplexing (SDM) is a key technology for increasing fiber capacity.
- Reconfigurable optical add & drop multiplexers (ROADMs) are essential for dynamic network management.
Purpose of the Study:
- To demonstrate a cost-effective SDM ROADM.
- To achieve petabit-per-second switching capacity.
- To enable integration into next-generation high-capacity optical network elements.
Main Methods:
- Development of a two-line-side SDM ROADM.
- Utilizing 22 compact, low-cost, low-loss 2x2 MEMS switches.
- Employing 22-core multicore fibers for signal transmission.
Main Results:
- Demonstrated a ROADM capable of petabit-per-second-class switching.
- Successfully handled a total traffic capacity of 1.08 Pb/s.
- Validated functionality through full add & drop, full express, and partial add & drop scenarios.
Conclusions:
- The developed SDM ROADM is a cost-effective solution for future optical networks.
- The device supports high-capacity traffic essential for next-generation network elements.
- Integration of SDM ROADMs can significantly enhance optical network performance.
