Scalable control techniques for automated configuration of programmable photonic circuits

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.