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Tag Archives: Quantum Mechanics
Quantum Machine Learning Goes Photonic
Measuring a photon’s angular momentum after it passes through optical devices teaches an algorithm to reconstruct the properties of the photon’s initial quantum state. Continue reading
Extra-Stable Light Produced by Levitated Nanoparticle
A trapped nanoparticle interacting with a laser provides a simple way to generate squeezed light, which has an unusually low level of fluctuations. Read more in APS Physics…
Quantum Measurement Strikes a Balance
An experiment demonstrates the trade-off between measurement and total information content—comprising gain, disturbance, and reversibility—in a quantum system. Continue reading
Low-Loss Quantum Buses for Photons
Researchers demonstrate a way to shuttle photons between modules of a quantum processor that can detect and correct communication losses. Continue reading
The Smallest Quantum Computer Yet
A trapped-ion-based quantum computer that fits in two boxes, each the size of a studio apartment’s shower, can create a fully entangled 24-particle quantum state. Continue reading
Large systems can be controllably entangled and limitlessly measured
A mechanical oscillator has quantum properties that can be directly observed. Read more in APS Physics…
Efficient Detection of Microwave Photons
A new single-photon detector minimizes false positives by ensuring that a qubit switches to its excited state if and only if a photon enters a microwave resonator. Continue reading
Localized electric field manipulates a nuclear spin
The atom-level control could provide the precision required for some quantum computing applications. Continue reading
Excited Molecules Escape Their Trap
The loss of ultracold molecules from an optical trap comes from optical excitation of the complexes that form when two of the molecules collide. Continue reading
Localized electric field manipulates a nuclear spin
Nuclear electric resonance provides the atom-level control required for some quantum computing applications. Continue reading