en.Wedoany.com Reported - Atom Computing and Nu Quantum recently announced a partnership to advance networking technology, aiming to scale quantum computers beyond the capabilities of a single quantum processing unit (QPU) to build practical systems. This collaboration signals a shift in the quantum computing industry from a single large processor approach to a distributed architecture.

The specific direction of the collaboration is to explore the integration of Atom Computing's neutral atom quantum computers with Nu Quantum's photonic networking hardware, ultimately connecting multiple processors into a distributed system. Carmen Palacios-Berraquero, founder and CEO of Nu Quantum, stated at the "Commercialising Quantum" event hosted by The Economist in London that building practical quantum systems requires both vertical and horizontal scaling, consistent with the development path of classical data centers.

Palacios-Berraquero drew an analogy between quantum and classical computing: vertical scaling refers to building larger, more efficient processors, while horizontal scaling connects multiple processors to build systems far exceeding the scale of a single device. She noted that every paradigm shift in computing history has stemmed from creating better, more efficient, and more powerful processors, as well as integrating them into machines orders of magnitude more powerful than individual processors.

Traditionally, most quantum hardware companies have focused on developing single large processors with more qubits. However, Palacios-Berraquero mentioned that several leading vendors, including IBM, Rigetti, and IQM, have incorporated networking capabilities into their long-term technology roadmaps. The core goal of quantum networking is to establish entanglement links between qubits in different processors, so that each QPU no longer operates as an independent system but becomes part of a larger computing architecture.

Palacios-Berraquero explained that the current approach involves creating entanglement links within a QPU and extending them to qubits in different QPUs, thereby forming a larger entangled qubit surface globally. Unlike traditional networks that transmit data packets, quantum networks transmit quantum states encoded in single photons, with the challenge being to maintain the quantum properties required to create entanglement between remote processors.

This distributed approach could change how future quantum infrastructure is deployed in data centers. Operators can deploy multiple interconnected QPUs and link them via dedicated quantum networking hardware, rather than relying on a single large quantum processor. This shift may ultimately drive quantum computing infrastructure from standalone processors to interconnected quantum systems built on principles derived from existing data centers.

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