Manufacturing qubits that can move
Summary
Researchers have developed a way to move qubits—quantum bits—between quantum dots on a chip without losing information. This breakthrough could combine the manufacturing benefits of solid-state qubits with the flexibility of atomic qubits used in quantum computing.Key Facts
- Qubits are the building blocks of quantum computers and can be made using electron spins in quantum dots.
- Quantum dots are tiny spaces that trap single electrons and can be produced using chip manufacturing techniques.
- Traditional electron spin qubits stay fixed in place, limiting how they can be connected and used for error correction.
- Atomic or ion-based qubits can be moved around, enabling flexible connections but require more complex hardware.
- The new research shows electron spin qubits can be shifted between quantum dots while preserving their quantum state.
- This movement allows for more flexible connections between qubits, similar to atomic qubit systems.
- The project involved Delft University of Technology and QuTech researchers.
- Moving qubits could improve quantum computer designs by combining scalability with adaptable error correction.
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