Simultaneously Detecting the Power and Temperature of a Microwave Sensor via the Quantum Technique DOI Creative Commons
Zhenrong Zhang, Y. W. Jin, Jun Tang

et al.

Micromachines, Journal Year: 2024, Volume and Issue: 15(11), P. 1305 - 1305

Published: Oct. 28, 2024

This study introduces a novel method for the simultaneous detection of microwave sensor power and temperature, leveraging nitrogen-vacancy (NV) centers as robust quantum system. Through precise measurement optical magnetic resonance contrast in NV centers, is accurately determined. Furthermore, temperature obtained by monitoring variations zero-field splitting thorough spectral analysis. enables efficient real-time acquisition synchronized data on both from sensor, facilitating concurrent without necessity additional sensing devices. Finally, we verified that sensitivity system approximately 1.2 nT/Hz1/2, around 0.38 mK/Hz1/2. The minimum resolution about 20 nW. experimental results demonstrate this technique provides stable accurate across wide range conditions. These findings indicate substantial potential advanced applications such aerospace, medical diagnostics, high-frequency communications. Future studies will aim to extend industrial applicability refining control techniques within center systems.

Language: Английский

Error-heralded high-dimensional quantum gate with robust fidelity DOI Creative Commons
Fang‐Fang Du, Xuemei Ren, Jing Guo

et al.

Optics Express, Journal Year: 2024, Volume and Issue: 32(18), P. 31633 - 31633

Published: Aug. 9, 2024

Quantum computing in high-dimensional spaces holds promise for a plethora of applications, i.e., handling more intricate information and executing wider quantum operations, complex technologies (QITs). In the paper, we set up an error-heralded, resource-saving, circuit-simplified, 4×4-dimensional controlled-not (CNOT) gate, where polarized spatial state flying photon (i.e., control qudit) can effectively collective spin wave two atomic ensembles target double-sided cavities. Moreover, through meticulous analysis, feasibility gate using existing technology boasts exceptional performance including near-unity fidelity high efficiency exceeding 0.95, principle, as undesired performances originated from little side leakage finite coupling strength, imperfect atom-ensemble-cavity interactions are heralded by single-photon detectors. Besides, auxiliary photons or unnecessary. Therefore, our protocol stands out its simplicity, efficient resource utilization, real-time error prediction, contributing significantly to efficacy QIT charting promising path towards realization endowed with heightened capabilities.

Language: Английский

Citations

12
Heralded and Complete Interconversion Between W State and Knill–Laflamme–Milburn State via State‐Selective Reflection with Robust Fidelity DOI

Xue‐Mei Ren,

Jing Guo, Fang‐Fang Du

et al.

Annalen der Physik, Journal Year: 2024, Volume and Issue: 536(10)

Published: Aug. 17, 2024

Abstract The interconversion of different types entangled states not only can realize the information transmission but also play a significant role in quantum technologies, including increasing scalability and computational power, reducing error rates. Here, two protocols for achieving complete between W state Knill–Laflamme–Milburn assisted by dot (QD)‐cavity systems common control gates are proposed. In particular, employ heralded approach strategically designed to predict potential failures facilitate seamless interaction QD‐cavity system photons with help single photon detectors, enhancing experimental accessibility. Through extensive analyzes evaluations protocols, proposed achieve remarkable utilization rates (i.e., unit principle) near‐unit fidelities high efficiencies principle.

Language: Английский

Citations

1
Error-rejecting entanglement purification and concentration for one-dimensional waveguide-emitter system DOI
Fang‐Fang Du, Linghui Li, Xuemei Ren

et al.

Laser Physics, Journal Year: 2024, Volume and Issue: 34(11), P. 115203 - 115203

Published: Oct. 4, 2024

Abstract The distribution of maximal entanglement stands as a pivotal technique in long-distance practical quantum communication. Specifically, achieving high-fidelity leans upon efficacious purification and concentration. In this paper, we materialize error-rejecting nonlocal protocol (EPP) concentration (ECP) for solid-state emitter systems assisted by the scattering property photon-emitter one-dimensional waveguide. parity-check gates both EPP ECP can herald faulty events with help detectors that click, so they are accomplished, principle, unity fidelities, which conducive to implement two protocols. Moreover, additional emitters unnecessary except single photon.

Language: Английский

Citations

0
Simultaneously Detecting the Power and Temperature of a Microwave Sensor via the Quantum Technique DOI Creative Commons
Zhenrong Zhang, Y. W. Jin, Jun Tang

et al.

Micromachines, Journal Year: 2024, Volume and Issue: 15(11), P. 1305 - 1305

Published: Oct. 28, 2024

This study introduces a novel method for the simultaneous detection of microwave sensor power and temperature, leveraging nitrogen-vacancy (NV) centers as robust quantum system. Through precise measurement optical magnetic resonance contrast in NV centers, is accurately determined. Furthermore, temperature obtained by monitoring variations zero-field splitting thorough spectral analysis. enables efficient real-time acquisition synchronized data on both from sensor, facilitating concurrent without necessity additional sensing devices. Finally, we verified that sensitivity system approximately 1.2 nT/Hz1/2, around 0.38 mK/Hz1/2. The minimum resolution about 20 nW. experimental results demonstrate this technique provides stable accurate across wide range conditions. These findings indicate substantial potential advanced applications such aerospace, medical diagnostics, high-frequency communications. Future studies will aim to extend industrial applicability refining control techniques within center systems.

Language: Английский

Citations

0