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On-chip photonic decision maker using spontaneous mode switching in a ring laser
Ryutaro Homma1, Satoshi Kochi1, Tomoaki Niiyama1,2
1Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa, 920-1192, Japan.
Scientific Reports
|July 3, 2019
Summary
This study introduces an on-chip photonic decision maker using a ring laser. Its spontaneous switching dynamics efficiently solves complex decision problems, enabling intelligent functionality in integrated photonics.
Area of Science:
- Integrated photonics
- Artificial intelligence
- Quantum physics
Background:
- Efficient decision-making is crucial for advancing artificial intelligence and information communication technologies.
- Existing methods often require complex computational resources.
- Exploring novel physical phenomena for computational tasks is an active research area.
Purpose of the Study:
- To propose and demonstrate an on-chip, integrated photonic decision maker.
- To leverage the unique dynamics of ring lasers for computational tasks.
- To address the challenge of efficient and accurate decision making in uncertain environments.
Main Methods:
- Utilizing a ring laser exhibiting spontaneous switching between clockwise and counter-clockwise oscillatory dynamics.
- Applying these dynamics to solve a multi-armed bandit problem.
- Experimental demonstration of on-line decision making and autonomous adaptation.
Main Results:
- The ring laser's spontaneous switching dynamics were successfully employed for decision making.
- Efficient exploration and accurate decision-making were achieved.
- Autonomous adaptation to an uncertain environment was experimentally verified.
Conclusions:
- The study demonstrates a novel photonic decision maker based on ring laser physics.
- This approach offers a path towards accelerating intelligent functionality using integrated photonics.
- Fluctuating physics in integrated photonic devices can be harnessed for advanced computational capabilities.
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