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Updated: May 25, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Development of optical packet and circuit integrated ring network testbed.

Hideaki Furukawa¹, Hiroaki Harai, Takaya Miyazawa

¹National Institute of Information and Communications Technology, 4-2-1, Koganei, Tokyo 184-8795, Japan. furukawa@nict.go.jp

|January 26, 2012

Summary

This study introduces new integrated optical equipment for stable, high-speed data transmission. The novel system supports both optical packet and circuit switching, enabling efficient network operations and advanced applications like video streaming.

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Area of Science:

Telecommunications Engineering
Optical Networking
Data Transmission

Background:

Existing optical network equipment requires frequent adjustments due to polarization fluctuations and dynamic data rates.
There is a need for integrated solutions that can handle both packet and circuit switched traffic efficiently.

Purpose of the Study:

To develop and evaluate novel integrated optical packet and circuit switch-node equipment.
To demonstrate the stability and performance of the new equipment in a ring network testbed.

Main Methods:

Developed a new switch-node with a polarization-independent 4x4 semiconductor optical amplifier switch subsystem.
Integrated gain-controlled optical amplifiers, a 100 Gbps optical packet transponder, and seven 10 Gbps optical path transponders with 10 Gigabit Ethernet (10GbE) interfaces.
Constructed a two-node optical packet and circuit integrated ring network testbed.

Main Results:

Achieved stable operation without equipment adjustments despite polarization rotations and dynamic packet rates.
Demonstrated 66 km fiber transmission of multiplexed 14-wavelength 10 Gbps optical paths and 100 Gbps optical packets.
Confirmed error-free operation (frame error rate < 1x10^-4) for various optical packet lengths and rates.
Successfully demonstrated 4K uncompressed video streaming over optical packet switching (OPS) links.

Conclusions:

The novel integrated optical switch-node equipment provides stable and efficient operation for optical packet and circuit networks.
The developed system supports high-speed data transmission and advanced applications, paving the way for next-generation optical networks.