Equal1 develops a quantum processing unit (QPU) built with conventional semiconductor manufacturing, making quantum computing more practical and scalable. The company also unveils the most complex quantum controller chip yet, capable of operating at ultra-low temperatures and supporting millions of qubits on a single chip.
Scientists say they have reached"a critical inflection point" after developing a technology that makes silicon-based quantum processors more viable.
By contrast, the most powerful quantum chips today only house qubits in the thousands and are built with superconductors, all requiring cooling to near absolute zero in order to perform quantum computations. Qubits have special properties that allow them to exist in multiple states simultaneously — a phenomenon called superposition — and to work together in ways traditional bits cannot through a process called entanglement. The resultant parallel processing enables quantum computers to solve problems far beyond the capabilities of classical systems.
Silicon provides a stable environment for qubits, particularly when using a material blend called silicon germanium . In a study published Dec. 2 to the preprint database arXiv, Equal1 scientists explained that SiGe combines silicon’s stability with germanium’s ability to enhance electronic performance, making it well-suited for quantum applications.
"This result demonstrates the massive benefit of silicon qubits — the ability to achieve the performance required for scaling in two key areas — fidelity and speed of quantum gates." Nodar Samkharadze, chief quantum architect at Equal1, said in the statement.
QUANTUM COMPUTING SILICON SEMICONDUCTORS QUBITS SUPERCONDUCTORS
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