• Tower SemiconductorandXanaduhave expanded their partnership to develop a manufacturable silicon photonics platform for fault-tolerant quantum computing. • This collaboration utilizes Tower’s high-volume foundry infrastructure to industrialize Xanadu’s photonic circuit designs, transitioning hardware from prototype to demonstrator systems. • The joint engineering effort focuses on a custom production flow for a specialized material stack designed to maintain optical performance and scalability as system complexity increases. • Technical developments center on the optimization of ultra-low loss silicon nitride (SiN) waveguides and integrated photodiodes within standard product flows. • These components are critical for measurement-based quantum computing (MBQC) architectures, which require the generation and entanglement of thousands of qubits on a single photonic chip. • By validating these designs on an established 200mm manufacturing platform, the partnership aims to meet the precise tolerances and high-yield requirements of large-scale quantum information processing.
Article Summaries:
- Tower Semiconductor and Xanadu have deepened their partnership to bring a manufacturable silicon‑photonics platform for fault‑tolerant quantum computing into production. Using Tower’s high‑volume 200 mm foundry, the teams are industrializing Xanadu’s photonic circuit designs, moving hardware from prototype to demonstrator systems. The effort centers on a custom production flow that optimizes ultra‑low‑loss silicon nitride waveguides and integrated photodiodes, essential for measurement‑based quantum computing that requires thousands of entangled qubits on a single chip. By validating the designs on an established platform, the collaboration aims to meet the precision, yield, and scalability needed for large‑scale quantum processors.
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