Michael S. Allman
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View article: Demonstration of the QCCD trapped-ion quantum computer architecture
Demonstration of the QCCD trapped-ion quantum computer architecture Open
The trapped-ion QCCD (quantum charge-coupled device) architecture proposal lays out a blueprint for a universal quantum computer. The design begins with electrodes patterned on a two-dimensional surface configured to trap multiple arrays o…
View article: Heralded quantum steering over a high-loss channel
Heralded quantum steering over a high-loss channel Open
Entanglement swapping enables verified nonlocal correlations over a high-loss channel with the detection loophole closed.
View article: Quantum enigma machine: Experimentally demonstrating quantum data locking
Quantum enigma machine: Experimentally demonstrating quantum data locking Open
Shannon proved in 1949 that information-theoretic-secure encryption is possible if the encryption key is used only once, is random, and is at least as long as the message itself. Notwithstanding, when information is encoded in a quantum sy…
View article: A Quantum Enigma Machine: Experimentally Demonstrating Quantum Data Locking
A Quantum Enigma Machine: Experimentally Demonstrating Quantum Data Locking Open
Claude Shannon proved in 1949 that information-theoretic-secure encryption is possible if the encryption key is used only once, is random, and is at least as long as the message itself. Notwithstanding, when information is encoded in a qua…
View article: Efficient and pure femtosecond-pulse-length source of polarization-entangled photons
Efficient and pure femtosecond-pulse-length source of polarization-entangled photons Open
We present a source of polarization entangled photon pairs based on spontaneous parametric downconversion engineered for frequency uncorrelated telecom photon generation. Our source provides photon pairs that display, simultaneously, the k…
View article: Strong Loophole-Free Test of Local Realism
Strong Loophole-Free Test of Local Realism Open
We present a loophole-free violation of local realism using entangled photon pairs. We ensure that all relevant events in our Bell test are spacelike separated by placing the parties far enough apart and by using fast random number generat…
View article: A near-infrared 64-pixel superconducting nanowire single photon detector array with integrated multiplexed readout
A near-infrared 64-pixel superconducting nanowire single photon detector array with integrated multiplexed readout Open
We demonstrate a 64-pixel free-space-coupled array of superconducting nanowire single photon detectors optimized for high detection efficiency in the near-infrared range. An integrated, readily scalable, multiplexed readout scheme is emplo…