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Related Experiment Video

Updated: Jun 12, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Optical design of a digital switch.

M Murdocca, T J Cloonan

|June 18, 2010

Summary

This study presents an optical design for high-speed packet switching using free-space optics. Simple bulk optics are suitable for interconnecting optical logic devices, offering comparable component counts to electronic systems.

Area of Science:

Optics
Computer Science
Electrical Engineering

Background:

Optical interconnects are crucial for high-bandwidth applications like packet switching.
Existing electronic switches face limitations in speed and scalability.
Free-space optics offer a potential alternative for high-speed data communication.

Purpose of the Study:

To describe an optical design for a time-multiplexed, nonblocking space switch.
To evaluate the feasibility of using free-space optics for interconnecting optical logic devices.
To compare the component count of the proposed optical switch with electronic implementations.

Main Methods:

The design utilizes regular interconnects in the form of crossovers for optical logic devices.
A time-multiplexed, nonblocking space switch architecture is employed.

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Component counts are compared between the optical design and electronic switch implementations.

Main Results:

The optical design achieves a nonblocking space switch functionality.
Efficiency is slightly reduced due to the use of regular interconnects.
The component count for the optical switch is comparable to electronic implementations.

Conclusions:

Simple bulk optics are a viable and suitable medium for interconnecting optical logic devices in high-bandwidth applications like packet switching.
Elaborate optical approaches are not necessary for achieving high-speed performance.
The proposed optical design offers a competitive alternative to electronic switches.