Constructs efficient one-time memory using BB84 states in CAROM, achieving exponential security against quantum adversaries with classical oracle queries. Addresses limitations of NISQ-based assumptions for early fault-tolerant quantum computers.

Constructs efficient one-time memory using BB84 states in CAROM, achieving exponential security against quantum adversaries with classical oracle queries. Addresses limitations of NISQ-based assumptions for early fault-tolerant quantum computers.
Researchers demonstrate how surface plasmon waves can selectively excite long-lived subradiant states in atomic chains, providing a novel approach for quantum photon storage and quantum memories.
A new qubit built from superfluid helium could cut quantum error rates by 100x, boosting stability for future quantum chips. This feels like a big step for reliable quantum tech. #QuantumComputing #TechInnovation #QuantumMemory
Rare earth ions in antiferromagnetic hosts exhibit narrow optical transitions that reveal magnetic g-factor signs through spectroscopy, providing foundational insights for quantum memories and microwave-optical transduction platforms.
Researchers demonstrated photonic quantum memory using adiabatic rephasing pulses achieving random-access across 8 spectral modes with enhanced efficiency and fidelity for large-scale quantum networking applications.
Quantum entangled states can serve as associative memory with cubic capacity scaling, outperforming classical Hopfield networks through quantum effects in valence-bond solid states.
First broadband quantum storage with Eu3+ rare-earth ions achieved through molecular engineering. Demonstrated 14.9% storage efficiency and 200 MHz bandwidth—capabilities impossible with conventional Eu3+ solids.
Researchers achieve on-demand quantum signal retrieval with ultra-low noise (0.4 photons) using quantum memory. 460μs storage in Yb:YSO crystal enables linking distant superconducting quantum devices—critical for scalable quantum networks.
IonQ partners with South Korean company SDT to deliver Superion 256 quantum computers and silicon-vacancy quantum memory modules, expanding quantum computing deployment in the Asia-Pacific region.
Researchers demonstrate 180-microsecond storage of telecom-wavelength single photons in Pr3+:Y2SiO5 crystals using XY4 spin-rephasing, advancing scalable quantum repeater technology for long-distance quantum networks.
Demonstrated 90.1% optical storage efficiency using Eu3+:Y2SiO5 crystals in an impedance-matched cavity with ultra-low intracavity loss (0.37%). Critical breakthrough for quantum memory enabling high-fidelity quantum networking and information processing.
Research reveals how certain quantum states retain memory under periodic driving. Protection depends on kinetic blocking preventing state rearrangement and Floquet detuning avoiding quasienergy absorption—not degeneracy alone.
Demonstrated quantum correlations between telecom photons and a 10-cell solid-state quantum memory array, achieving 60-fold enhancement in entanglement distribution rates through temporal multiplexing over a 39 km metropolitan fiber network.
Standing-wave control fields enable diffusion-free storage of traveling probe pulses in rare-earth doped crystals, extending quantum memory coherence times from 3.6 to 5.7 switching periods compared to traveling-wave configurations.
Phase-encoded quantum walkers in Rydberg atomic systems enable scalable quantum RAM with O(n log(n+m)) complexity, addressing critical data-loading bottlenecks in quantum machine learning through photon-photon interactions in hollow-core waveguides.
Novel Rydberg-blockaded EIT scheme achieves quantum random access memory with O(n) complexity, eliminating exponential gate overhead through coherent phase control of photonic qubits in cold atomic ensembles without cryogenic requirements.
Researchers developed a streaming belief propagation decoder for quantum error correction achieving error thresholds of 0.4-0.87% on topological codes by tracking multi-qubit fault correlations across time using space-time Tanner graphs.
How continuous measurement schemes fundamentally alter quantum memory retrieval in individually monitored systems, showing that spectral properties alone cannot predict trajectory-level outcomes for stored quantum states.
Integrated optomechanical quantum memory successfully stores and retrieves telecom-band photons at the quantum ground state with unprecedented phonon suppression (0.32 occupancy), advancing practical scalable quantum networks.
An 8-bit cascaded quantum memory achieved <1.5% infidelity per mode using a transmon. The architecture isolates memory from processor nonlinearities, reduces control overhead, and supports transversal operations for scalable fault-tolerant quantum computing.