Computing · 1995

Trapped-ion quantum gate

The first quantum logic gate, built on a single trapped ion.

Christopher Monroe and David Wineland at NIST demonstrated a controlled-NOT gate with a beryllium ion, following Cirac and Zoller's proposal. Trapped ions remain a leading qubit technology.

See it in the living tree Wikipedia

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 3

Quantum computing proposal 1982
Laser 1960
Atomic clock 1955

What it led to 3

Quantinuum Helios 2025
Fault-tolerant quantum computer ~2032
Continental quantum networks ~2040

Related measurements

The dashed line marks when it first worked.

Selected gate-model quantum processors Latest: 1.12k physical qubits (2023) Source: Wikipedia: Timeline of quantum computing and communication; Wikipedia: List of quantum processors