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- Australian Astronomical ObservatoryAU873 papers
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14 papers · 2 filters
Generation of correlated photon pairs in a chalcogenide As2S3 waveguide
C. Xiong, G. D. Marshall, A. Peruzzo +16
We demonstrate the first 1550 nm correlated photon-pair source in an integrated glass platform-a chalcogenide As2S3 waveguide. A measured pair coincidence rate of 80 per second was…
Comparing different non-Markovianity measures: A case study
Pinja Haikka, James. D. Cresser, Sabrina Maniscalco
We consider two recently proposed measures of non-Markovianity applied to a particular quantum process describing the dynamics of a driven qubit in a structured reservoir. The moti…
Coherence properties of a single dipole emitter in diamond
Graham D. Marshall, Torsten Gaebel, Jonathan C. F. Matthews +3
On-demand, high repetition rate sources of indistinguishable, polarised single photons are the key component for future photonic quantum technologies. Colour centres in diamond off…
100 MHz Amplitude and Polarization Modulated Optical Source for Free-Space Quantum Key Distribution at 850 nm
M. Jofre, A. Gardelein, G. Anzolin +4
We report on an integrated photonic transmitter of up to 100 MHz repetition rate, which emits pulses centered at 850 nm with arbitrary amplitude and polarization. The source is sui…
Statistical dynamics of a non-Abelian anyonic quantum walk
Lauri Lehman, Vaclav Zatloukal, Gavin K. Brennen +2
We study the single particle dynamics of a mobile non-Abelian anyon hopping around many pinned anyons on a surface. The dynamics is modelled by a discrete time quantum walk and the…
Entanglement, discord and the power of quantum computation
Aharon Brodutch, Daniel R. Terno
We show that the ability to create entanglement is necessary for execution of bipartite quantum gates even when they are applied to unentangled states and create no entanglement. S…