Technology

GaAs Quantum-Dot Laser Reaches AI Labs as InP Export Controls Tighten

A Santa Barbara startup has begun shipping a gallium arsenide single-chip comb laser to AI lab customers, closing a $40 million Series A on August 24 and delivering the first product: a device that generates eight precisely spaced optical wavelengths from one chip under one electrical control. Quintessent’s QCOMB-1310-08-08-200-EVK targets the external laser slot in

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