Trapped Ion Quantum Computing | All-to-All Optical Connectivity
Quick Technical Answer:
Trapped ion quantum computers trap individual atomic ions (such as 171Yb+ or 40Ca+) in electromagnetic Paul traps in ultra-high vacuum, manipulating quantum states with laser beams and achieving all-to-all connectivity via shared motional phonon modes.
Formula / Unitary:
H_{\text{MS}} = \hbar \Omega \sum_{i < j} X_i X_j, \quad T_2 > 10 \text{ seconds}
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Frequently Asked Questions
What are the trade-offs of trapped ion quantum processors?
Trapped ions offer pristine gate fidelities (>99.9%) and seconds-long coherence times with all-to-all connectivity, but feature slower gate speeds (microseconds) compared to superconducting qubits (nanoseconds).