Papers › Accelerated Design of Microring Lasers with Multi-Objective Bayesian Optimization
Accelerated Design of Microring Lasers with Multi-Objective Bayesian Optimization
Mihir R. Athavale, Ruqaiya Al-Abri, Stephen Church, Wei Wen Wong, Andre KY Low, Hark Hoe Tan, Kedar Hippalgaonkar, Patrick Parkinson
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On-chip coherent laser sources are crucial for the future of photonic integrated circuits, yet progress has been hindered by the complex interplay between material quality, device geometry, and performance metrics. We combine high-throughput characterization, statistical analysis, experimental design, and multi-objective Bayesian optimization to accelerate the design process for low-threshold, high-yield III-V microring lasers with room-temperature operation at communication wavelengths. We demonstrate a 1.6× reduction in threshold over expert-designed configurations, achieving a 100% lasing yield that emits within the O-band with a median threshold as low as 33μJ cm⁻² pulse⁻¹.
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