Quantum Breakthrough: Qubit Coherence Hits Record Millisecond …
In the race toward practical quantum computing, researchers in Finland have achieved a new milestone by extending the coherence times of a superconducting transmon qubit to near one millisecond, …
High-Coherence Fluxonium Qubit | Phys. Rev. X
Nov 25, 2019 · We report record long coherence—reaching 0.5 ms—in fluxonium, a relatively unexplored superconducting artificial atom with properties desirable for engineering fast, controllable …
In a first, transmon qubit achieves a coherence time of one millisecond
Jul 27, 2025 · To overcome this, researchers at Aalto University in Finland designed and built a new type of transmon qubit with unusually high coherence. They used ultra-clean superconducting films …
Physicists record 'lifetime' of graphene qubits | ScienceDaily
Jan 1, 2019 · Researchers have recorded, for the first time, quantum coherence of a graphene-based superconducting qubit, meaning how long it stays in superposition to compute with two logical states...
Record-breaking superconducting qubit coherence
Jul 11, 2025 · This energy relaxation time is state of the art, but even more impressive is the qubit coherence time. After applying an echo pulse sequence that reduces the impact of low-frequency …
Princeton Builds Qubit 3× Longer-Lived (1 ms Coherence)
Nov 6, 2025 · This coherence time of 1 ms, reported in Nature on November 5, marks the largest single improvement in qubit lifetime in over a decade. Longer-lived qubits directly translate to fewer errors, …
Physicists Break Quantum Barrier With Record-Breaking Qubit Coherence
Jul 22, 2025 · Among them are noise reduction, qubit-count increases, and the qubit coherence time improvements at the center of the new observations from the QCD. The group just opened a senior …
Princeton breakthrough: the 1ms qubit that redefines quantum coherence
Princeton researchers achieve a record-breaking 1ms coherence time for superconducting qubits, an advance with implications for quantum scalability.
We benchmark the decoherence of superconducting transmon qubits to examine the temporal stability of energy relaxation, dephasing, and qubit transition frequency.
Record-Setting Qubit Performance Marks Important Step Toward
Jul 9, 2025 · For the first time ever, researchers succeeded in keeping a qubit coherent for more than 1 millisecond. Different quantum computers employ different materials to store qubits, the most basic...