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The negatively charged nitrogen-vacancy (NV) center in diamond is a leading solid-state quantum emitter, offering spin-photon interfaces over a wide temperature range with applications from electromagnetic sensing to bioimaging. While NV…

The nitrogen-vacancy (NV) center in diamond has an optically addressable, highly coherent spin. However, an NV center even in high quality single-crystalline material is a very poor source of single photons: extraction out of the high-index…

Autonomous Raman instruments on Mars rovers, deep-sea landers, and field robots must interpret raw spectra distorted by fluorescence baselines, peak shifts, and limited ground-truth labels. Using curated subsets of the RRUFF database, we…

Machine Learning · Computer Science 2025-10-01 Deniz Soysal , Xabier García-Andrade , Laura E. Rodriguez , Pablo Sobron , Laura M. Barge , Renaud Detry

Quantum sensing has seen rapid progress from laboratory research to real-world applications. Solid-state spin systems, particularly nitrogen-vacancy (NV) centers in diamond, are attractive for their ability to operate at room temperature…

Quantum Physics · Physics 2025-07-22 Jonathan Kenny , Feifei Zhou , Ruihua He , Fedor Jelezko , Teck Seng Koh , Weibo Gao

Single image super-resolution(SISR) is an ill-posed problem that aims to obtain high-resolution (HR) output from low-resolution (LR) input, during which extra high-frequency information is supposed to be added to improve the perceptual…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Runyuan Cai , Yue Ding , Hongtao Lu

Physics-Informed Neural Networks (PINNs) seek to solve partial differential equations (PDEs) with deep learning. Mainstream approaches that deploy fully-connected multi-layer deep learning architectures require prolonged training to achieve…

Machine Learning · Computer Science 2025-12-16 Shaghayegh Fazliani , Zachary Frangella , Madeleine Udell

Optically-active spin qubits have emerged as powerful quantum sensors capable of nanoscale magnetometry, yet conventional coherent sensing approaches are ultimately limited by the coherence time of the sensor, typically precluding detection…

Quantum Physics · Physics 2025-10-10 Nicole Voce , Paul Stevenson

A lightweight and reproducible denoising pipeline for high-throughput Raman spectroscopy is presented. The approach relies on a one-dimensional convolutional autoencoder trained using a Noise2Noise strategy, requiring neither external…

Artificial Intelligence · Computer Science 2026-05-19 David Martin-Calle , Cesar Alvarez Llamas , Vincent Motto- Ros , Christophe Dujardin , Jérémie Margueritat , David Rodney

We report a self-supervised deep learning framework for Rydberg sensors that enables single-shot noise suppression matching the accuracy of multi-measurement averaging. The framework eliminates the need for clean reference signals (hardly…

Arrays of NV centers in the diamond have the potential in the fields of chip-scale quantum information processing and nanoscale quantum sensing. However, determining their orientations one by one is resource intensive and time consuming.…

Applied Physics · Physics 2019-12-18 Xuerui Song , Fupan Feng , Chunxiao Cai , Guanzhong Wang , Wei Zhu , Wenting Diao , Chongdi Duan

Enhancing the measurement signal from solid state quantum sensors such as the nitrogen-vacancy (NV) center in diamond is an important problem for sensing and imaging of condensed matter systems. Here we engineer diamond scanning probes with…

Mesoscale and Nanoscale Physics · Physics 2020-12-04 N. Hedrich , D. Rohner , M. Batzer , P. Maletinsky , B. J. Shields

NV centers in diamond are generally recognized as highly promising as indefinitely stable highly efficient single-photon sources. We report an experimental quantification of the brightness, radiative decay rate, nonradiative decay rate and…

Optics · Physics 2015-06-12 Abbas Mohtashami , A. Femius Koenderink

Optically-detected magnetic resonance using Nitrogen Vacancy (NV) color centres in diamond is a leading modality for nanoscale magnetic field imaging, as it provides single electron spin sensitivity, three-dimensional resolution better than…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 K. Arai , C. Belthangady , H. Zhang , N. Bar-Gill , S. J. DeVience , P. Cappellaro , A. Yacoby , R. L. Walsworth

Hands-on experimental experience with quantum systems in the undergraduate physics curriculum provides students with a deeper understanding of quantum physics and equips them for the fast-growing quantum science industry. Here we present an…

Diamonds with nitrogen-vacancy (NV) center ensembles are one of the most promising solid-state quantum platforms for various sensing applications. The combination of a long spin dephasing time ($T_2^*$) and a high NV center concentration is…

In recent years, the field of quantum sensing has garnered increasing attention due to its potential to revolutionize various scientific and technological domains. Among the different quantum sensors, the nitrogen-vacancy (NV) color center…

Quantum Physics · Physics 2024-10-01 C. Munuera-Javaloy

Shallow nitrogen-vacancy (NV) centers in diamond are promising for nano-magnetometry for they can be placed proximate to targets. To study the intrinsic magnetic properties, zero-field magnetometry is desirable. However, for shallow NV…

Mesoscale and Nanoscale Physics · Physics 2021-09-14 Ning Wang , Chu-Feng Liu , Jing-Wei Fan , Xi Feng , Weng-Hang Leong , Amit Finkler , Andrej Denisenko , Jörg Wrachtrup , Quan Li , Ren-Bao Liu

Efficient readout of individual electronic spins associated with atom-like impurities in the solid state is essential for applications in quantum information processing and quantum metrology. We demonstrate a new method for efficient spin…

Quantum Physics · Physics 2015-04-08 B. J. Shields , Q. P. Unterreithmeier , N. P. de Leon , H. Park , M. D. Lukin

Effective control and readout of qubits form the technical foundation of next-generation, transformative quantum information sciences and technologies. The nitrogen-vacancy (NV) center, an intrinsic three-level spin system, is naturally…

Magnetic resonance velocimetry (MRV) is a non-invasive experimental technique widely used in medicine and engineering to measure the velocity field of a fluid. These measurements are dense but have a low signal-to-noise ratio (SNR). The…

Fluid Dynamics · Physics 2021-07-19 Ushnish Sengupta , Alexandros Kontogiannis , Matthew P. Juniper