![]() ![]() The promise of the QCCD architecture is to maintain the low error rates demonstrated in small trapped-ion experiments 3, 4, 5 by limiting the quantum interactions to multiple small ion crystals, then physically splitting and rearranging the constituent ions of these crystals into new crystals, where further interactions occur. Analogous to a charge-coupled device (CCD) camera, which stores and processes imaging information as movable electrical charges in coupled pixels, a QCCD computer stores quantum information in the internal state of electrically charged ions that are transported between different processing zones using dynamic electric fields. ![]() The trapped-ion quantum charge-coupled device (QCCD) proposal 1, 2 lays out a blueprint for a universal quantum computer that uses mobile ions as qubits.
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