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Quantum random walks with multiphoton interference and high order correlation functions
Bryan T Gard, Robert M Cross, Petr M Anisimov +2
We show a simulation of quantum random walks with multiple photons using a staggered array of 50/50 beam splitters with a bank of detectors at any desired level. We discuss the mul…
Thwarting the Photon Number Splitting Attack with Entanglement Enhanced BB84 Quantum Key Distribution
Carl F. Sabottke, Chris D. Richardson, Petr M. Anisimov +3
We develop an improvement to the weak laser pulse BB84 scheme for quantum key distribution, which utilizes entanglement to improve the security of the scheme and enhance its resili…
Phase estimation with two-mode squeezed-vacuum and parity detection restricted to finite resources
Keith R. Motes, Petr M. Anisimov, Jonathan P. Dowling
A recently proposed phase-estimation protocol that is based on measuring the parity of a two-mode squeezed-vacuum state at the output of a Mach-Zehnder interferometer shows that Cr…
Coherent and Squeezed Vacuum Light Interferometry: Parity detection hits the Heisenberg limit
Kaushik P. Seshadreesan, Petr M. Anisimov, Hwang Lee +1
The interference between coherent and squeezed vacuum light can produce path entangled states with very high fidelities. We show that the phase sensitivity of the above interferome…
Quantum Information transmission
Lei Wang, Jie-Hui Huang, Jonathan P. Dowling +1
We present a scheme of quantum information transmission, which transmits the quantum information contained in a single qubit via the quantum correlation shared by two parties (a tw…
Popper's Thought Experiment Reinvestigated
Chris D. Richardson, Jonathan P. Dowling
Popper's original thought experiment probed some fundamental and subtle rules of quantum mechanics. Two experiments have directly and indirectly tested Popper's hypothesis, but the…