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Displaying 9376 - 9400 of 73741

Searching for best Karatsuba recurrences

September 1, 2019
Author(s)
Cagdas Calik, Morris Dworkin, Nathan Dykas, Rene Peralta
Efficient circuits for multiplication of binary polynomials use what are known as Karatsuba recurrences. These methods divide the polynomials of size kn into k pieces of size n. Multiplication is performed by treating the factors as degree-(k-1)

The Effect of Peripheral Equipment Loading on Reverberation-Chamber Metrics

September 1, 2019
Author(s)
Anouk Hubrechsen, Laurens A. Bronckers, Kate Remley, Rob Jones, Rob Horansky, Ad Reniers, Anne Roc'h, Bart Smolders
Measuring wireless devices in a reverberation chamber often requires ancillary equipment to be present in the chamber. This paper illustrates the effect of their presence on metrics that are important in wireless device tests, such as chamber decay time

High spin-wave propagation length consistent with low damping in a metallic ferromagnet

August 31, 2019
Author(s)
L. Flacke, L. Liensberger, Matthias Althammer, Hans Huebl, Stephan Gepr?ags, Katrin Schultheiss, Aleksandr Buzdakov, T. Hula, H. Schultheiss, Eric R. Edwards, Hans Nembach, Justin Shaw, Rudolf Gross, M. Weiler
We report ultralow intrinsic magnetic damping in Co 25Fe 75 heterostructures, reaching the low 10 -4 regime at room temperature. By using a broadband ferromagnetic resonance technique in out-of-plane geometry, we extracted the dynamic magnetic properties

Classifying single-qubit noise using machine learning

August 30, 2019
Author(s)
Travis L. Scholten, Yi-Kai Liu, Kevin Young, Robin Blume-Kohout
As quantum information processors (QIPs) grow more sophisticated, characterizing their behavior becomes harder. Larger QIPs have more properties that need to be characterized, and inventing a new quantum characterization, verification, and validation (QCVV

Compact total irradiance monitor: Flight demonstration

August 30, 2019
Author(s)
Dave Harber, John H. Lehman, Nathan A. Tomlin, Christopher Yung, Malcolm White, Zach Castleman, Ginger Drake, Samuel Van Dreser, Nat Farber, Karl Heurman, Joel Rutkowski, Alan Sims, Jacob Sprunck, Cameron Straatsma, Isaac Wanamaker, Wengang Zheng, Greg Kopp, P. Pilewskie, Michelle Stephens
The long-term balance between Earth's absorption of solar energy and emission of radiation to space is a fundamental climate measurement. Total solar irradiance (TSI) has been measured from space, uninterrupted, for the past 40 years via a series of

Indistinguishable photons from deterministically integrated single quantum dots in heterogeneous GaAs/Si3N4 quantum photonic circuits

August 30, 2019
Author(s)
Peter Schnauber, Anshuman Singh, Johannes Schall, Suk I. Park, Jin Dong Song, Sven Rodt, Kartik Srinivasan, Stephan Reitzenstein, Marcelo I. Davanco
Silicon photonics enables the integration of multi-functional quantum networks on a chip. Inclusion of quantum emitters acting as on-demand single-photon source or photon non-linearity is highly desirable to boost scalability and functionality. Towards

Josephson Junctions for Metrology Applications

August 30, 2019
Author(s)
Samuel P. Benz
The Josephson effect has revolutionized voltage metrology [1-5] and, together with the quantum Hall effect for resistance and atomic clocks for time and frequency, has enabled measurement standards based on quantum effects. Quantum standards produce
Displaying 9376 - 9400 of 73741
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