Canadian Firm Claims Breakthrough in Energy-Efficient Quantum Computing

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Canadian company Nord Quantique has introduced a revolutionary method called the Tesseract code that enhances quantum error correction (QEC), leading to smaller, more energy-efficient quantum computers. This innovative approach integrates multimode encoding with bosonic qubit technology, mitigating common errors in quantum systems, as outlined in their research paper.

Quantum computers, which utilize quantum bits or qubits capable of existing in multiple states, promise substantial advancements in diverse fields, including climate change and drug discovery. However, the complexities of error correction have hampered their development, adding both costs and energy demands. According to CEO Julien Camirand-Lemyre, the Tesseract code addresses these challenges by eliminating the need for numerous physical qubits.

The firm estimates that its quantum computer, featuring 1,000 logical qubits, will only require 20 square meters of space and 120 kWh of energy to perform complex computations compared to 280,000 kWh for classical systems. This research positions Nord Quantique as a leader in the next phase of quantum technology, expected to materialize by 2029.

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