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by Ciro Santilli (@cirosantilli, 37)

Quantum computing is hard because we want long coherence but fast control

 ... Area of technology Information technology Information Quantum information Quantum computing Quantum computing hardware
 0 By others on same topic  0 Discussions  Updated 2025-06-12  +Created 1970-01-01  See my version
Mentioned e.g. at:
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  • youtu.be/xjlGL4Mvq7A?t=169
These are two conflicting constraints:
  • long coherence times: require isolation from external world, otherwise observation destroys quantum state
  • fast control and readout: require coupling with external world

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  1. Quantum computing hardware
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  3. Quantum information
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  • Superconducting quantum computing

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