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1. Achieving Higher Photon Counting Rates Using Multiplexed Detectors
Topic: Quantum Information
Published: 8/13/2006
Authors: Stefania Castelletto, Ivo Pietro Degiovanni, Alan L Migdall, Sergey V Polyakov, V Schettini
Abstract: As the quantum information field advances, the need for improved single-photon devices is becoming more critical. Quantum information systems are often limited by detector deadtime to count rates of a few MHz, at best. We present a multiplexed detect ...

2. Arbitrary Control of Entanglement between Two Superconducting Resonators
Topic: Quantum Information
Published: 7/27/2010
Author: Raymond Wiley Simmonds
Abstract: We present a method to synthesize an arbitrary quantum state of two superconducting resonators. This state-synthesis algorithm utilizes a coherent interaction of each resonator with a tunable arti cial atom to create entangled quantum superpositio ...

3. Building one-time memories from isolated qubits
Topic: Quantum Information
Published: 1/14/2014
Author: Yi-Kai Liu
Abstract: One-time memories (OTM's) are a simple type of tamper-resistant cryptographic hardware, that can be used to implement many forms of secure computation, such as one-time programs. Here we investigate the possibility of building OTM's using "isola ...

4. Demonstrating a High Symmetric Single-Photon Heralding Efficiency in Spontaneous Parametric Downconversion
Topic: Quantum Information
Published: 5/6/2013
Authors: Marcelo Pereira, Francisco E. Becerra Chavez, Boris L. Glebov, Jingyun Fan, Sae Woo Nam, Alan L Migdall
Abstract: We demonstrate a symmetric, single-spatial mode, single-photon heralding efficiency of 84% for a type-II spontaneous parametric downconversion process. This achievement of high efficiency, single-spatial mode collection is key to enabling many quantu ...

5. Differences Explained in Correlated-Photon Metrology Techniques
Topic: Quantum Information
Published: 11/1/1999
Author: Alan L Migdall

6. Efficient Generation of Correlated Photon Pairs in a Microstructure Fiber
Topic: Quantum Information
Published: 12/15/2005
Authors: Jingyun Fan, Alan L Migdall, L Wang
Abstract: We report efficient generation of correlated photon pairs through degenerate four-wave mixing in microstructure fibers. With 735.7 nm pump pulses producing conjugate signal (688.5 nm) and idler (789.8 nm) photons in an 1.8 m microstructure fiber, we ...

7. Efficient fiber optic detection of trapped ion flourescence
Topic: Quantum Information
Published: 7/9/2010
Authors: Aaron Vandevender, Yves Colombe, Jason Amini, Dietrich G Leibfried, David J Wineland
Abstract: Integration of fiber optics may play a critical role in the development of quantum information processors based on trapped ions, atoms, and quantum dots. Fibers could help enable a scalable and efficient means of collecting light from and deliverin ...

8. Efficient generation of correlated photon pairs in a microstructure fiber
Topic: Quantum Information
Published: 12/15/2005
Authors: Jingyun Fan, Alan L Migdall, L Wang
Abstract: We report efficient generation of correlated photon pairs through degenerate four-wave mixing in a microstructure fiber. With 735.7 nm pump pulses producing correlated signal (688.5 nm) and idler (789.8 nm) photons in a 1.8 m microstructure fiber, we ...

9. Efficient, low-noise, single-photon frequency conversion
Topic: Quantum Information
Published: 6/9/2013
Authors: Paulina S Kuo, Jason S. Pelc, Oliver T Slattery, Yong-Su Kim, M. M. Fejer, Xiao Tang
Abstract: We demonstrate simultaneous low-noise and efficient frequency conversion in a periodically poled LiNbO3 waveguide with spectral filtering. We achieve >50% external conversion efficiency and 600 noise counts per second at peak conversion.

10. 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 ...

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