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Dispersive magnetometry with a quantum limited SQUID parametric amplifier
Quantum Nanoelectronics Laboratory, Department of Physics, University of California, Berkeley, CA 94720There is currently fundamental and technological interest in measuring and manipulatingnanoscale… Expand
Calculated signal-to-noise ratio of MRI detected with SQUIDs and Faraday detectors in fields from 10 microT to 1.5 T.
- W. Myers, D. Slichter, +5 authors J. Clarke
- Physics, Medicine
- Journal of magnetic resonance
- 1 June 2007
We examine the calculated signal-to-noise ratio (SNR) achievable with different MRI detection modalities in precession fields ranging from 10 microT to 1.5 T. In particular, we compare traditional… Expand
Single-mode optical fiber for high-power, low-loss UV transmission.
- Y. Colombe, D. Slichter, A. Wilson, D. Leibfried, D. Wineland
- Materials Science, Medicine
- Optics express
- 9 May 2014
We report large-mode-area solid-core photonic crystal fibers made from fused silica that resist ultraviolet (UV) solarization even at relatively high optical powers. Using a process of hydrogen… Expand
Ion-trap electrode preparation with Ne$^+$ bombardment
We describe an ex-situ surface-cleaning procedure that is shown to reduce motional heating from ion-trap electrodes. This precleaning treatment, to be implemented immediately before the final… Expand
Millikelvin thermal and electrical performance of lossy transmission line filters
We report on the scattering parameters and Johnson noise emission of low-pass stripline filters employing a magnetically loaded silicone dielectric down to 25 mK. The transmission characteristic of a… Expand
Quantum amplification of mechanical oscillator motion
Improving precision with quantum amplification Quantum mechanically, an object can be described by a pair of noncommuting observables, typically by its position and momentum. The precision to which… Expand
Single crystal silicon capacitors with low microwave loss in the single photon regime
We have fabricated superconducting microwave resonators in a lumped element geometry using single crystal silicon dielectric parallel plate capacitors with C>2 pF. Aluminum devices with resonant… Expand
Trapped-Ion Spin-Motion Coupling with Microwaves and a Near-Motional Oscillating Magnetic Field Gradient.
We present a new method of spin-motion coupling for trapped ions using microwaves and a magnetic field gradient oscillating close to the ions' motional frequency. We demonstrate and characterize this… Expand
Dispersive readout of a flux qubit at the single-photon level
A superconducting flux qubit is inductively coupled to a Superconducting QUantum Interference Device (SQUID) magnetometer, capacitively shunted to form a 1.294-GHz resonator. The… Expand
State Readout of a Trapped Ion Qubit Using a Trap-Integrated Superconducting Photon Detector
We report high-fidelity state readout of a trapped ion qubit using a trap-integrated photon detector. We determine the hyperfine qubit state of a single $^9$Be$^+$ ion held in a surface-electrode rf… Expand