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Writing Bragg Gratings in Multicore Fibers
Published on: April 20, 2016
Optical AND gate based on soliton interaction in a fiber Bragg grating
Yuval P Shapira1, Moshe Horowitz
1Department of Electrical Engineering, Technion Israel Institute of Technology, Haifa, Israel. yuvalsh@tx.technion.ac.il
Optics Letters
|April 19, 2007
Summary
We demonstrate a cascadable optical AND gate using soliton interactions in fiber Bragg gratings. This device enables optical computing by selectively transmitting or reflecting solitons based on their interaction.
Area of Science:
- Nonlinear optics
- Optical computing
- Photonics
Background:
- Optical logic gates are fundamental components for optical computing.
- Soliton interactions in nonlinear media offer potential for all-optical signal processing.
Purpose of the Study:
- To demonstrate a novel optical cascadable AND gate.
- To investigate soliton interactions in fiber Bragg gratings for logic operations.
Main Methods:
- Utilizing computer simulations to model soliton dynamics.
- Designing a fiber Bragg grating structure for soliton manipulation.
- Analyzing soliton behavior under single and dual-soliton launch conditions.
Main Results:
- A single soliton is backreflected by the fiber Bragg grating.
- When two solitons are launched, one is transmitted and the other is backreflected.
- Soliton interaction induces a frequency shift, allowing transmission through the grating bandgap.
Conclusions:
- The proposed device functions as an optical AND gate.
- Soliton interaction in fiber Bragg gratings is a viable mechanism for implementing optical logic.
- This work contributes to the development of all-optical signal processing and computing.
