activity
20122024
most citedImproved superconducting qubit coherence using titanium nitride

246 citations · 1.2k across the 10 of their papers we have counts for

collaborators

10 papers

astro-ph.IM2024★ 2 cited

CCAT: Comparisons of 280 GHz TiN and Al Kinetic Inductance Detector Arrays

Cody J. Duell, Jason Austermann, James Beall +27

The CCAT Collaboration's six-meter Fred Young Submillimeter Telescope is scheduled to begin observing in the Chilean Atacama in 2025, targeting a variety of science goals throughou…

astro-ph.CO2021★ 101 cited

CCAT-prime Collaboration: Science Goals and Forecasts with Prime-Cam on the Fred Young Submillimeter Telescope

Prime collaboration, M. Aravena, J. E. Austermann +84

We present a detailed overview of the science goals and predictions for the Prime-Cam direct detection camera/spectrometer being constructed by the CCAT-prime collaboration for ded…

quant-ph2020★ 133 cited

A three-wave mixing kinetic inductance traveling-wave amplifier with near-quantum-limited noise performance

M. Malnou, M. R. Vissers, J. D. Wheeler +4

We present a theoretical model and experimental characterization of a microwave kinetic inductance traveling-wave amplifier (KIT), whose noise performance, measured by a shot-noise…

physics.app-ph2020★ 244 cited

Materials loss measurements using superconducting microwave resonators

Corey Rae Harrington McRae, Haozhi Wang, Jiansong Gao +5

The performance of superconducting circuits for quantum computing is limited by materials losses. In particular, coherence times are typically bounded by two-level system (TLS) los…

astro-ph.IM2018★ 17 cited

Low Temperature Detectors for CMB Imaging Arrays

Johannes Hubmayr, Jason E. Austermann, James A. Beall +9

We review advances in low temperature detector (LTD) arrays for Cosmic Microwave Background (CMB) polarization experiments, with a particular emphasis on imaging arrays. We briefly…

astro-ph.IM2018★ 39 cited

Millimeter-Wave Polarimeters Using Kinetic Inductance Detectors for TolTEC and Beyond

J. E. Austermann, J. A. Beall, S. A. Bryan +10

Microwave Kinetic Inductance Detectors (MKIDs) provide a compelling path forward to the large-format polarimeter, imaging, and spectrometer arrays needed for next-generation experi…

astro-ph.CO2015★ 124 cited

Measurements of Sub-degree B-mode Polarization in the Cosmic Microwave Background from 100 Square Degrees of SPTpol Data

R. Keisler, S. Hoover, N. Harrington +63

We present a measurement of the -mode polarization power spectrum (the spectrum) from 100 of sky observed with SPTpol, a polarization-sensitive receiver cu…

quant-ph2014★ 164 cited

Measuring a topological transition in an artificial spin 1/2 system

M. D. Schroer, M. H. Kolodrubetz, W. F. Kindel +6

We present measurements of a topological property, the Chern number (), of a closed manifold in the space of two-level system Hamiltonians, where the two-level system…

quant-ph2013★ 246 cited

Improved superconducting qubit coherence using titanium nitride

J. Chang, M. R. Vissers, A. D. Corcoles +9

We demonstrate enhanced relaxation and dephasing times of transmon qubits, up to ~ 60 μs by fabricating the interdigitated shunting capacitors using titanium nitride (TiN). Compare…

cond-mat.supr-con2012★ 91 cited

A titanium-nitride near-infrared kinetic inductance photon-counting detector and its anomalous electrodynamics

J. Gao, M. R. Visser, M. O. Sandberg +10

We demonstrate single-photon counting at 1550 nm with titanium-nitride (TiN) microwave kinetic inductance detectors. Energy resolution of 0.4 eV and arrival-time resolution of 1.2…