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The control of nuclear spins in quantum dots is essential to explore their many-body dynamics and exploit their prospects for quantum information processing. We present a unique combination of dynamic nuclear spin polarization and…

Mesoscale and Nanoscale Physics · Physics 2015-12-16 Florian Forster , Max Mühlbacher , Dieter Schuh , Werner Wegscheider , Geza Giedke , Stefan Ludwig

We use field-cycling-assisted dynamic nuclear polarization and continuous radio-frequency (RF) driving over a broad spectral range to demonstrate magnetic-field-dependent activation of nuclear spin transport from strongly-hyperfine-coupled…

The nitrogen-vacancy (NV) center has enabled widespread study of nanoscale nuclear magnetic resonance (NMR) spectroscopy at low magnetic fields. NMR spectroscopy at high magnetic fields significantly improves the technique's spectral…

Mesoscale and Nanoscale Physics · Physics 2021-09-15 Benjamin Fortman , Laura Mugica-Sanchez , Noah Tischler , Cooper Selco , Yuxiao Hang , Karoly Holczer , Susumu Takahashi

Nuclear spins with hyperfine coupling to single electron spins are highly valuable quantum bits. In this work we probe and characterise the particularly rich nuclear spin environment around single silicon vacancy color-centers (V2) in…

We report a method for nanometer-scale pulsed nuclear magnetic resonance imaging and spectroscopy. Periodic radiofrequency pulses are used to create temporal correlations in the statistical polarization of a solid organic sample. The spin…

Mesoscale and Nanoscale Physics · Physics 2013-10-01 John M. Nichol , Tyler R. Naibert , Eric R. Hemesath , Lincoln J. Lauhon , Raffi Budakian

A new method for detecting the magnetic resonance of electronic spins at low temperature is demonstrated. It consists in measuring the signal emitted by the spins with a superconducting qubit that acts as a single-microwave-photon detector,…

In relation to recent experimental data [1], we develop a theory framework for demonstrating the feasibility of detecting sharp Nuclear Magnetic Resonance (NMR) oscillations in a real time ESR data. The procedure is to follow real time…

Mesoscale and Nanoscale Physics · Physics 2025-09-04 Baruch Horovitz , Alexander Shnirman

We present a novel approach to the detection of weak magnetic fields that takes advantage of recently developed techniques for the coherent control of solid-state electron spin quantum bits. Specifically, we investigate a magnetic sensor…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. M. Taylor , P. Cappellaro , L. Childress , L. Jiang , D. Budker , P. R. Hemmer , A. Yacoby , R. Walsworth , M. D. Lukin

We theoretically analyze the performance of the nuclear magnetic resonance (NMR) spectroscopy with a superconducting flux qubit (FQ). Such NMR with the FQ is attractive because of the possibility to detect the relatively small number of…

The nitrogen vacancy (NV) color center in diamond is an enormously important platform for the development of quantum sensors, including for single spin and single molecule NMR. Detection of weak single-spin signals is greatly enhanced by…

Quantum Physics · Physics 2017-05-29 J. E. Lang , J. Casanova , Z. -Y. Wang , M. B. Plenio , T. S. Monteiro

Hyper-polarization of nuclear spins is crucial for advancing nuclear magnetic resonance (NMR) and quantum information technologies, as nuclear spins typically exhibit extremely low polarization at room temperature due to their small…

Quantum Physics · Physics 2025-05-20 Haiyang Li , Hao Liao , Ping Wang

Recent demonstrations of ultracoherent nanomechanical resonators introduce the prospect of new protocols for solid state sensing applications. Here, we propose to use two coupled ultracoherent resonator modes on a Si$_3$N$_4$ membrane for…

Applied Physics · Physics 2020-07-22 J. Košata , O. Zilberberg , Christian L. Degen , R. Chitra , A. Eichler

Resonant laser scattering along with photon correlation measurements have established the atom-like character of quantum dots. Here, we present measurements which challenge this identification for a wide range of experimental parameters:…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 C. Latta , A. Högele , Y. Zhao , A. N. Vamivakas , P. Maletinsky , M. Kroner , J. Dreiser , I. Carusotto , A. Badolato , D. Schuh , W. Wegscheider , M. Atature , A. Imamoglu

We have developed semiconductor point contact devices in which nuclear spins in a nanoscale region are coherently controlled by all-electrical methods. Different from the standard nuclear-magnetic resonance technique, the longitudinal…

Quantum Physics · Physics 2009-11-13 Y. Hirayama , A. Miranowicz , T. Ota , G. Yusa , K. Muraki , S. K. Ozdemir , N. Imoto

Nanomagnetometry using the nitrogen-vacancy (NV) centre in diamond has attracted a great deal of interest because of the combined features of room temperature operation, nanoscale resolution and high sensitivity. One of the important goals…

Hyperpolarization of nuclear spins enhances nuclear magnetic resonance signals, which play a key role for imaging and spectroscopy in the natural and life sciences. This signal amplification unlocks previously inaccessible techniques, such…

Single-molecule sensitivity of nuclear magnetic resonance (NMR) and angstrom resolution of magnetic resonance imaging (MRI) are the highest challenges in magnetic microscopy. Recent development in dynamical-decoupling- (DD) enhanced diamond…

Quantum Physics · Physics 2016-08-31 Wen-Long Ma , Ren-Bao Liu

The excellent sensitivities of quantum sensors are a double-edged sword: minuscule quantities can be observed, but any undesired signal acts as noise. This is challenging when detecting quantities that are obscured by such noise. Decoupling…

Achieving atomic resolution is the ultimate limit of magnetic resonance imaging (MRI), and attaining this capability offers enormous technological and scientific opportunities, from drug development to understanding the dynamics in…

We propose a new approach to the measurement of a single spin state, based on nuclear magnetic resonance (NMR) techniques and inspired by the coherent control over many-body systems envisaged by Quantum Information Processing (QIP). A…