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Scalable control techniques for automated configuration of programmable photonic circuits
Optics Letters
|May 15, 2026
Summary
Researchers developed scalable methods to control large reconfigurable photonic chips with a single electronic readout circuit. This innovation reduces complexity and area overhead for advanced photonic device monitoring.
Area of Science:
- Photonics
- Integrated Optics
- Electronic Engineering
Background:
- The increasing scale of reconfigurable photonic chips necessitates efficient electronic readout circuits.
- Current readout methods face significant overhead in electrical connections and area occupation as chip complexity grows.
- A need exists for scalable solutions to monitor optical functionality in large-scale photonic systems.
Purpose of the Study:
- To propose and validate scalable methods for controlling programmable photonic chips.
- To reduce the complexity and area overhead associated with electronic readout circuits for large photonic chips.
- To enable individual device labeling within a single readout circuit framework.
Main Methods:
- Development of two novel scalable methods for controlling programmable photonic chips.
- Implementation of individual labeling for each photonic device within the chip.
- Experimental validation at 10 Gbit/s and simulation analyses of proposed techniques.
Main Results:
- Experimental confirmation of the effectiveness of the proposed scalable control methods at 10 Gbit/s.
- Demonstration of individual photonic device labeling using a single readout circuit.
- Simulation results providing insights into technique-specific trade-offs.
Conclusions:
- The proposed scalable methods effectively address the complexity of electronic readout for large reconfigurable photonic chips.
- Individual device labeling offers a viable strategy for efficient monitoring and control.
- The techniques present a significant advancement for the development of larger and more complex photonic integrated circuits.

