Quantum Hardware
Superconducting circuits, trapped ions, photonics, neutral atoms, spin qubits, decoherence, and cryogenics.
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Superconducting Qubits
Qubits made of supercooled metal
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Trapped Ions
Qubits made of single floating atoms
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Photonic Qubits
Qubits made of light
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Topological Qubits
The qubit that's intrinsically protected
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Neutral Atoms
Qubits made of atoms held by lasers
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Spin Qubits
Qubits inside silicon — the same stuff as your computer
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Decoherence
Why quantum computers have to be cold
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Cryogenics
How to make something colder than space