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11. Energy Decay in Josephson Qubits from Non-equilibrium Quasiparticles
Topic: Quantum Information
Published: 8/26/2009
Authors: Jose Alberto Aumentado, John M Martinis, M Ansmann
Abstract: We calculate the energy decay rate of Josephson qubits and superconducting resonators from non-equilibrium quasiparticles. The decay rates from experiments are shown to be consistent with our predictions based on a prior measurement of the quasipar ...

12. Entangled photon generation in a phase-modulated, quasi-phasematched crystal
Topic: Quantum Information
Published: 10/14/2013
Authors: Paulina S Kuo, Jason S. Pelc, Oliver T Slattery, Yong-Su Kim, Xiao Tang
Abstract: We propose a scheme to generate polarization-entangled photon pairs by spontaneous parametric downconversion in a phase-modulated, type-II, quasi-phasematched (QPM) crystal. Instead of using two distinct crystals to generate |HV>and |VH> stat ...

13. Experimental Implementation of Quantum Entanglement and Hyper-Entanglement With a Fiber-Based Two-Photon Source
Topic: Quantum Information
Published: 9/5/2008
Authors: Jun Chen, M D. Eisaman, Elizabeth A Goldschmidt, Jingyun Fan, Alan L Migdall

14. Experimental Test of Non-Local Realism Using a Fiber-Based Source of Polarization-Entangled Photon Pairs
Topic: Quantum Information
Published: 3/25/2008
Authors: Jingyun Fan, M D. Eisaman, Elizabeth A Goldschmidt, J Chen, Alan L Migdall
Abstract: We describe an experimental test of local realistic and non-local realistic theories using polarization-entangled two-photon singlet states created using a fiber-based polarization Sagnac interferometer. We show a violation of Bell s inequality in th ...

15. Experimental demonstration of a receiver beating the standard quantum limit for multiple nonorthogonal coherent-state discrimination
Topic: Quantum Information
Published: 1/6/2013
Authors: Francisco E. Becerra Chavez, Jingyun Fan, Gerald Baumgartner, Julius Goldhar, Jonathan Kosloski, Alan L Migdall
Abstract: The measurement of the state of a quantum system with inherent quantum uncertainty (noise) approaching the ultimate physical limits is of both technological and fundamental interest. Quantum noise prevents any mutually nonorthogonal quantum states ...

16. Experimental test of an event-based corpuscular model modification as an alternative to quantum mechanics
Topic: Quantum Information
Published: 2/13/2013
Authors: Giorgio Brida, Ivo Pietro Degiovanni, Marco Genovese, Alan L Migdall, Fabrizio Piacentini, Sergey V Polyakov, Paola Traina
Abstract: We present the first experimental test that distinguishes between an Event-Based Corpuscular Model (EBCM)9) of the interaction of photons with matter and quantum mechanics. The test looks at the interference that results as a single photon passes t ...

17. Frequency-bin Entangled Comb of Photon Pairs From a Silicon-on-Insulator Micro-Resonator
Topic: Quantum Information
Published: 1/13/2011
Authors: Jun Chen, Zachary H Levine, Jingyun Fan, Alan L Migdall
Abstract: We present a quantum-mechanical theory to describe narrow-band photon- pair generation via four-wave mixing in a Silicon-on-Insulator (SOI) micro- resonator. We also provide design principles for efficient photon-pair generation in an SOI mic ...

18. Gradient-based stopping rules for maximum-likelihood quantum-state tomography
Topic: Quantum Information
Published: 9/18/2012
Authors: Scott C Glancy, Emanuel H Knill, Mark Girard
Abstract: When performing maximum likelihood quantum state tomography, one must find the quantum state that maximizes the likelihood for observed measurements on identically prepared systems, all having that quantum state. This optimization is usually perform ...

19. Heralded, pure-state single-photon source based on a Potassium Titanyl Phosphate waveguide
Topic: Quantum Information
Published: 2/15/2010
Authors: Zachary H Levine, Jingyun Fan, Jun Chen, Alexander E. Ling, Alan L Migdall
Abstract: WWe analyze the generation of single spatial mode, spectrally uncorrelated photon pairs via type II spontaneous parametric downconversion in a Potassium Titanyl Phosphate (KTP) waveguide using real experimental parameters. We show that this source ...

20. Imaging topological edge states in silicon photonics
Topic: Quantum Information
Published: 10/20/2013
Authors: Mohammad Hafezi, Jingyun Fan, Alan L Migdall, Jacob M Taylor
Abstract: Systems with topological oder exhibit exotic phenomena including fractional statistics. While most systems with topological order have been electronic, advances in our understanding of synthetic gauge fields have enabled realization of to ...

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