Single-Spin Readout and Quantum Sensing using Optomechanically Induced Transparency

• URL: http://arxiv.org/abs/2212.01481v2
• Date: Tue, 11 Apr 2023 20:51:58 GMT
• Title: Single-Spin Readout and Quantum Sensing using Optomechanically Induced Transparency
• Authors: Martin Koppenh\"ofer, Carl Padgett, Jeffrey V. Cady, Viraj Dharod, Hyunseok Oh, Ania C. Bleszynski Jayich, and A. A. Clerk
• Abstract summary: We propose to use this strain coupling for mechanically-mediated dispersive single-shot spin readout by an optomechanically-induced transparency measurement. Surprisingly, the estimated measurement times for negatively-charged silicon-vacancy defects in diamond are an order of magnitude shorter than those for single-shot optical fluorescence readout.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Solid-state spin defects are promising quantum sensors for a large variety of sensing targets. Some of these defects couple appreciably to strain in the host material. We propose to use this strain coupling for mechanically-mediated dispersive single-shot spin readout by an optomechanically-induced transparency measurement. Surprisingly, the estimated measurement times for negatively-charged silicon-vacancy defects in diamond are an order of magnitude shorter than those for single-shot optical fluorescence readout. Our scheme can also be used for general parameter-estimation metrology and offers a higher sensitivity than conventional schemes using continuous position detection.

Related papers

• Mitigating quantum decoherence in force sensors by internal squeezing [0.0]
  We present evidence that quantum decoherence in high-precision laser interferometric force sensors can be mitigated by a quantum squeeze operation inside the sensor's cavity. Our results pave the way for quantum improvements in scenarios where high decoherence previously precluded the use of squeezed light.
  arXiv  Detail & Related papers  (2023-03-17T13:59:33Z)
• All-Optical Nuclear Quantum Sensing using Nitrogen-Vacancy Centers in Diamond [52.77024349608834]
  Microwave or radio-frequency driving poses a significant limitation for miniaturization, energy-efficiency and non-invasiveness of quantum sensors. We overcome this limitation by demonstrating a purely optical approach to coherent quantum sensing. Our results pave the way for highly compact quantum sensors to be employed for magnetometry or gyroscopy applications.
  arXiv  Detail & Related papers  (2022-12-14T08:34:11Z)
• Spin-augmented observables for efficient photonic quantum error correction [0.0]
  We show that the spin state of solid-state emitters inside micropillar cavities can serve as measure qubits in syndrome measurements. By performing a quantum non-demolition measurement on the spin state, the syndrome of the optical state can be obtained.
  arXiv  Detail & Related papers  (2022-11-25T14:05:52Z)
• Searches for massive neutrinos with mechanical quantum sensors [0.0]
  We present the concept that a single nanometer-scale, optically levitated sensor operated with sensitivity near the standard quantum limit can search for heavy sterile neutrinos. We also comment on the possibility that mechanical sensors operated well into the quantum regime might ultimately reach the sensitivities required to provide an absolute measurement of the mass of the light neutrino states.
  arXiv  Detail & Related papers  (2022-07-12T23:12:49Z)
• Gate-based spin readout of hole quantum dots with site-dependent $g-$factors [101.23523361398418]
  We experimentally investigate a hole double quantum dot in silicon by carrying out spin readout with gate-based reflectometry. We show that characteristic features in the reflected phase signal arising from magneto-spectroscopy convey information on site-dependent $g-$factors in the two dots.
  arXiv  Detail & Related papers  (2022-06-27T09:07:20Z)
• Five-second coherence of a single spin with single-shot readout in silicon carbide [84.97423065534817]
  We demonstrate single-shot readout of single defects in silicon carbide (SiC) We achieve over 80% readout fidelity without pre- or post-selection. We report single spin T2 > 5s, over two orders of magnitude greater than previously reported in this system.
  arXiv  Detail & Related papers  (2021-10-04T17:35:02Z)
• Enhanced nonlinear quantum metrology with weakly coupled solitons and particle losses [58.720142291102135]
  We offer an interferometric procedure for phase parameters estimation at the Heisenberg (up to 1/N) and super-Heisenberg scaling levels. The heart of our setup is the novel soliton Josephson Junction (SJJ) system providing the formation of the quantum probe. We illustrate that such states are close to the optimal ones even with moderate losses.
  arXiv  Detail & Related papers  (2021-08-07T09:29:23Z)
• Improving the Precision of Optical Metrology by Detecting Fewer Photons [22.469758054077396]
  In optical metrological protocols to measure physical quantities, it is always beneficial to increase photon number to improve measurement precision. We show that a modified weak measurement protocol, namely, biased weak measurement significantly improves the precision of optical metrology in the presence of saturation effect.
  arXiv  Detail & Related papers  (2021-03-23T08:14:45Z)
• Inverse-designed photon extractors for optically addressable defect qubits [48.7576911714538]
  Inverse-design optimization of photonic devices enables unprecedented flexibility in tailoring critical parameters of a spin-photon interface. Inverse-designed devices will enable realization of scalable arrays of single-photon emitters, rapid characterization of new quantum emitters, sensing and efficient heralded entanglement schemes.
  arXiv  Detail & Related papers  (2020-07-24T04:30:14Z)
• Decoherence as Detector of the Unruh Effect [58.720142291102135]
  We propose a new type of the Unruh-DeWitt detector which measures the decoherence of the reduced density matrix of the detector interacting with the massless quantum scalar field. We find that the decoherence decay rates are different in the inertial and accelerated reference frames.
  arXiv  Detail & Related papers  (2020-03-10T21:45:09Z)
• Cavity quantum electrodynamic readout of a solid-state spin sensor [0.0]
  Solid-state spin sensors still lack a universal, high-fidelity readout technique. We demonstrate high-fidelity, room-temperature readout of an ensemble of nitrogen-vacancy (NV) centers via strong coupling to a dielectric microwave cavity. Our results pave a clear path to achieve unity readout fidelity of solid-state spin sensors through increased ensemble size, reduced spin-resonance linewidth, or improved cavity quality factor.
  arXiv  Detail & Related papers  (2020-03-02T18:57:40Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.