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Related Experiment Video

Updated: Jul 1, 2025

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Reconfigurable optical logic in silicon platform.

M A Ruhul Fatin¹, Dusan Gostimirovic², Winnie N Ye²

¹Department of Electronics, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada. ruhulfatin103@gmail.com.

Scientific Reports

|March 12, 2024

Summary

This summary is machine-generated.

This study introduces a novel optical switch capable of performing multiple logic functions. It utilizes free-carrier depletion and phase-change materials for fast, low-power, non-volatile reconfigurable optical computing.

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Area of Science:

Photonics
Optical Computing
Materials Science

Background:

Traditional optical switches often require constant power for reconfigurability.
Achieving non-volatile and high-speed optical logic operations remains a challenge.
Integrating multiple functionalities into a single optical device is desirable for advanced computing.

Purpose of the Study:

To present a novel, scalable, and reconfigurable optical switch.
To demonstrate simultaneous multiple computational logic functions.
To achieve non-volatile reconfigurability with high speed and low power consumption.

Main Methods:

Utilizing the free-carrier depletion effect for high-speed, low-power switching.
Incorporating optical memory based on phase-change materials for non-volatile reconfigurability.
Implementing the architecture in a compact microdisk resonator.

Main Results:

The proposed device performs multiple computational logic functions simultaneously.
Non-volatile switching operations are achieved using free-carrier depletion and phase-change materials.
The microdisk resonator configuration integrates both modulation schemes for reconfigurable optical logic.

Conclusions:

This work presents the first implementation of carrier-depletion and phase-change optical memory in a single microdisk for reconfigurable optical logic.
The developed optical switch offers a scalable and reconfigurable solution for advanced optical computing.
The combination of technologies enables high-speed, low-power, and non-volatile optical logic operations.