Passive optical interconnection network employing a shuffle-exchange topology.

Area of Science:

• Computer Engineering
• Optical Communications
• Network Architecture

Background:

• Optical interconnection networks (OINs) are crucial for high-speed computing.
• Existing OINs often face limitations in scalability and functionality.
• Passive optical elements offer advantages in terms of cost and power consumption.

Purpose of the Study:

• To present the design of a novel passive optical interconnection network (OIN).
• To demonstrate the cascadability and advanced switching capabilities of the OIN.
• To explore the OIN's potential as a subsystem in various computing and communication architectures.

Main Methods:

• Implementation using exclusively passive optical elements.
• Adoption of a shuffle-exchange interconnection pattern for network topology.
• Design of cascadable shuffle-exchange stages for modularity.
• Integration of broadcast, combine, bypass, and exchange operations at switch nodes.
• Control via an electronic address computer using circuit-switching principles.

Main Results:

• Successful design of a passive OIN based on the shuffle-exchange pattern.
• Achieved cascadability of passive optical shuffle-exchange stages.
• Enabled broadcast, combine, bypass, and exchange functionalities within OIN switch nodes.
• Demonstrated circuit-switched control via an electronic address computer.

Conclusions:

• The designed passive OIN offers a scalable and functional solution for optical interconnections.
• The OIN's modular design and advanced operations make it suitable for integration into complex systems.
• Potential applications extend beyond shared-memory optical/electronic computers to other architectures.