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Topic Area: Quantum Physics
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1. 99.996% 12C films enriched and deposited in situ
Topic: Quantum Physics
Published: 6/28/2013
Authors: Kevin Joseph Dwyer, Joshua M Pomeroy, David S Simons
Abstract: A mass selected ion beam system is used to isotopically enrich and deposit thin films, which are measured to be 99.9961(4)% 12C. In solid state quantum information, isotopic enrichment of materials has allowed significant improvements in the coheren ...

2. Bell violation using entangled photons without the fair-sampling assumption
Topic: Quantum Physics
Published: 4/14/2013
Authors: Marissa Giustina, Alexandra Mech, Sven Ramelow, Bernhard Wittman, Johannes Keffler, Joern Beyer, Adriana Eleni Lita, Thomas Gerrits, Sae Woo Nam, Rupert Ursin, Anton Zeilinger, Brice R. Calkins
Abstract: The violation of a Bell inequality is an experimental observation that forces the abandonment of a local realistic viewpoint - namely, one in which physical properties are (probabilistically) defined before and independently of measurement, and in ...

3. Casimir force in micro and nano electro mechanical systems
Topic: Quantum Physics
Published: 7/1/2011
Authors: Ricardo Decca, Vladimir A Aksyuk, Daniel Lopez
Abstract: The book chapter covers current state of the art and prospects for using micro and nano electro mechanical systems for Casimir force measurement.

4. DC-SQUID Amplifiers with over 27 GHz of Gain-Bandwidth Product Operated in the 4-8 GHz Frequency Range
Topic: Quantum Physics
Published: 3/2/2009
Authors: Lafe F. Spietz, Kent D Irwin, Jose Alberto Aumentado
Abstract: We describe measurements of the performance of ampli ers in the 4{8 GHz range using DCSQUIDs in a lumped element con guration. We have used quarter wave resonators as input transformers and multipole output transformers to couple microwave power int ...

5. Demonstrating a High Symmetric Single-Photon Heralding Efficiency in Spontaneous Parametric Downconversion
Topic: Quantum Physics
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 ...

6. Detailed modelling of the susceptibility of a thermally populated, strongly driven circuit-QED system
Topic: Quantum Physics
Published: 11/7/2013
Authors: Anton Frisk Kockum, Martin Olof Sandberg, G¿ran Johansson, David P Pappas
Abstract: We present measurements and modelling of the susceptibility of a 2D microstrip cavity coupled to a driven transmon qubit. We are able to fit the response of the cavity to a weak probe signal with high accuracy in the strong coupling, low detuning, ...

7. Detection of Voigt Spectral Line Profiles of Hydrogen Radio Recombination Lines toward Sagittarius B2(N)
Topic: Quantum Physics
Published: 2/24/2010
Authors: Francis John Lovas, Azrael A. von Prochazka, Anthony J. Remijan, Dana S. Balser, Robert S. I. Ryans, Adele H. Marshall, Frederic R. Schwab, Jan M. Hollis, Phil R. Jewell
Abstract: We report the detection of Voigt spectral line profiles of radio recombination lines (RRLs) toward Sagittarius B2(N) with the 100-m Green Bank Telescope (GBT). These results constitute the first known, unambiguous detection of the Voigt spectral line ...

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

9. Differential Light Shift Cancellation in a B-Field Insensitive Transition of 87Rb
Topic: Quantum Physics
Published: 2/11/2011
Authors: Radu S. Chicireanu, Karl D. Nelson, Steven M Olmschenk, Nathan Lundblad, A. Derevianko, James V Porto
Abstract: We demonstrate substantial cancellation of the differential light shift of a magnetic-field-insensitive microwave hyperfine (clock) transition in 87Rb atoms trapped in an optical lattice. Up to 95.5% of the differential light shift is cancelled while ...

10. Dirac fermion heating, current scaling, and direct insulator-quantum Hall transition in multi-layer epitaxial graphene
Topic: Quantum Physics
Published: 8/1/2013
Authors: Randolph E Elmquist, Fan-Hung Liu, Chang-Shun Hsu, Chiashain Chuang, Tak-Pong Woo, Lung-I Huang Huang, Chi-Te Laing, Yasuhiro Fukuyama, Yanfei Yang
Abstract: We have performed magnetotransport measurements on multi-layer epitaxial graphene. By increasing the driving current I through our graphene devices while keeping the bath temperature fixed, we are able to study Dirac fermion heating and current scali ...

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