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  1. Qubit - Wikipedia

    In quantum computing, a qubit (/ ˈkjuːbɪt /) or quantum bit is a basic unit of quantum information; a binary qudit – the quantum version of the classic binary bit physically realized with a two-state …

  2. What is a qubit? - IBM

    A qubit, or quantum bit, is the basic unit of information used to encode data in quantum computing and can be best understood as the quantum equivalent of the traditional bit used by classical …

  3. What is a quantum bit (qubit)? - Live Science

    Sep 18, 2024 · Quantum computers normally use subatomic particles, such as photons (packets of light) or electrons, as qubits. In qubits, properties such as charge, photonic polarization or …

  4. Quantum Computing Explained | NIST

    Mar 18, 2025 · A chip combining a superconducting qubit (pink) for storing quantum information, a quantum bus (green) for transporting information, and a switch (purple) that tunes interactions …

  5. Caltech Team Sets Record with 6,100-Qubit Array

    Sep 24, 2025 · Now, in a step toward this vision, Caltech physicists have created the largest qubit array ever assembled: 6,100 neutral-atom qubits trapped in a grid by lasers.

  6. The Qubit in Quantum Computing - Azure Quantum | Microsoft …

    Feb 21, 2025 · Learn about qubits, the fundamental unit of information in quantum computing. This article examines the single qubit.

  7. What is a Qubit? Fundamentals of Quantum Computing

    Apr 7, 2025 · Discover the fundamentals of quantum computing and understand what a qubit is with EntropiQ's comprehensive guide.

  8. Clearing significant hurdle to quantum computing — Harvard …

    Sep 25, 2025 · Science & Tech Clearing significant hurdle to quantum computing Harvard physicists working to develop game-changing tech demonstrate 3,000 quantum-bit system …

  9. What is a Qubit (Quantum Bit)? | Definition from TechTarget

    Jun 25, 2025 · A qubit is a basic unit of information in quantum computing. Learn how it relates to superposition, its different types and what its future holds.

  10. Quantum Computing Explained: Definition, Uses, and Leading …

    Aug 31, 2025 · Learn how quantum computing transforms industries with qubits for faster data processing. Explore top companies like IBM and Google leading this groundbreaking tech.