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Generation and Coherent Control of Pulsed Quantum Frequency Combs

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Published on: June 8, 2018

Novel all-optical logic gate using an add/drop filter and intensity switch.

T Threepak¹, S Mitatha, P P Yupapin

¹Hybrid Computing Research Laboratory, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Chalongkrung Ladkrabang Bangkok 10520, Thailand.

Journal of Nanoscience and Nanotechnology

|March 14, 2012

Summary

This study introduces a novel all-optical logic device. The proposed design achieves high-speed logic functions like AND and NOT operations with low power consumption on a single chip.

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Area of Science:

Photonics and Optical Engineering
Integrated Optics
Digital Logic Devices

Background:

Traditional electronic logic devices face limitations in speed and power consumption.
The development of all-optical logic devices offers a path towards faster and more energy-efficient computing.

Purpose of the Study:

To propose and demonstrate a novel all-optical logic device.
To achieve high-speed logic operations (AND, NOT) using optical components.
To enable integration onto a single chip for practical applications.

Main Methods:

Design of an all-optical logic device system comprising an optical intensity switch and an add/drop filter.
Utilizing the relationship between refraction angle and signal intensity for signal switching.
Combining the intensity switch with an add/drop filter to create optical logic gates.

Main Results:

Successful production of an all-optical logic gate.
Demonstration of accurate AND and NOT logic operations.
The device operates at high speeds with low power consumption.

Conclusions:

The proposed all-optical logic device design is feasible and effective.
The device offers advantages in speed, power efficiency, and miniaturization for single-chip integration.
This technology holds promise for future high-speed optical computing.