ObsidianVault/SS2026/Quantum Computing/15. Ion-based/Ion-based Quantum Computers.md

We will look at an approach of building a quantum computer by using trapped ions:

We look at single atoms with one electron orbiting the nucleus. The quantum state is encoded as the orbital of the electron.

Setup

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Operations

Cooling

An ion of energy level E_i when hit by a photon of energy level E_j-E_i will go to energy level E_j

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Measurements

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Unitaries

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