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Regenerative memory in time-delayed neuromorphic photonic resonators.
B Romeira1, R Avó1, José M L Figueiredo1
1Centro de Electrónica, Optoelectrónica e Telecomunicações (CEOT), Departmento de Física, Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal.
Scientific Reports
|January 20, 2016
Summary
We developed a novel photonic regenerative memory using a neuromorphic oscillator. This optical buffer memory can store and reshape data, paving the way for high-speed, neuron-inspired optical computing.
Area of Science:
- Photonics
- Neuromorphic Computing
- Optical Memory
Background:
- Neuromorphic oscillators with delayed feedback mimic neuronal activity.
- Localized temporal responses are key for data storage and reshaping.
Purpose of the Study:
- To investigate a photonic regenerative memory based on a neuromorphic oscillator.
- To demonstrate its potential for optical buffer memory applications.
Main Methods:
- Utilized a nanoscale nonlinear resonant tunneling diode driving a laser.
- Modeled the system using the FitzHugh-Nagumo model with delayed feedback.
Main Results:
- Disclosed a unique temporal response characteristic of localized structures.
- Demonstrated ideal support for bits in an optical buffer memory.
Conclusions:
- The proof-of-concept photonic regenerative memory can store and reshape data.
- This technology could be a building block for neuron-inspired photonic memories handling high bit-rate optical signals.
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