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Micro-mechanical resonators are widely used in modern sensing technology due to their high quality-factor (Q), enabling sensitive detection of various stimuli. However, the performance of these resonators in fluid environments is limited by…

Instrumentation and Detectors · Physics 2023-12-11 Sri Harsha Paladugu , Kaustav Roy , Anuj Ashok , Bibhas Nayak , Annapoorni Rangarajan , Rudra Pratap

We review the electronic level structure of the nitrogen-vacancy in diamond and some common experimental techniques to study its optical properties at low temperatures. We then summarize several recent experiments and advances in using…

Quantum Physics · Physics 2015-04-24 Yiwen Chu , Mikhail D. Lukin

We introduce an algorithm that is able to find the facets of Coulomb diamonds in quantum dot arrays. We simulate these arrays using the constant-interaction model, and rely only on one-dimensional raster scans (rays) to learn a model of the…

Mesoscale and Nanoscale Physics · Physics 2022-10-19 Oswin Krause , Anasua Chatterjee , Ferdinand Kuemmeth , Evert van Nieuwenburg

Cavity optomechanical (COM) sensors, enhanced by quantum squeezing or entanglement, have become powerful tools for measuring ultra-weak forces with high precision and sensitivity. However, these sensors usually rely on linear COM couplings,…

Pressure serves as a fundamental tuning parameter capable of drastically modifying all properties of matter. The advent of diamond anvil cells (DACs) has enabled a compact and tabletop platform for generating extreme pressure conditions in…

The continuous scaling of semiconductor-based technologies to micron and sub-micron regimes has resulted in higher device density and lower power dissipation. Many physical phenomena such as self-heating or current leakage become…

Nanodiamonds containing nitrogen-vacancy (NV) centers are promising quantum sensors for biological applications thanks to their sub-micron spatial resolution, biocompatibility, and versatile multi-modal responses. However, the optically…

Applied Physics · Physics 2026-03-23 Shuo Wang , Ming-Zhong Ai , Jing-Wei Fan , Junchen Ye , Chao Lin , Quan Li , Ren-Bao Liu

The ability to measure weak signals such as pressure, force, electric field, and temperature with nanoscale devices and high spatial resolution offers a wide range of applications in fundamental and applied sciences. Here we present a…

Quantum Physics · Physics 2017-10-31 Jianming Cai , Fedor Jelezko , Martin B. Plenio

Ultra-thin layers of liquids on a surface behave differently from bulk liquids due to liquid-surface interactions. Some examples are significant changes in diffusion properties and the temperature at which the liquid-solid phase transition…

Quantum Physics · Physics 2017-10-27 P. Fernandez-Acebal , M. B. Plenio

Quantum sensing is one of the arenas that exemplifies the superiority of quantum technologies over their classical counterparts. Such superiority, however, can be diminished due to unavoidable noise and decoherence of the probe. Thus,…

Quantum Physics · Physics 2023-10-25 V. Montenegro , M. G. Genoni , A. Bayat , M. G. A. Paris

Droplet-based microfluidic systems are a promising platform forlab-on-a-chip (LoC) applications. These systems can also be used toenhance LoC applications with integrated droplet control information or for data transmission scenarios in the…

Emerging Technologies · Computer Science 2021-01-12 Max Bartunik , Marco Fleischer , Werner Haselmayr , Jens Kirchner

An ensemble of negatively charged nitrogen-vacancy centers in diamond can act as a precise quantum sensor even under ambient conditions. In particular, to optimize thier sensitivity, it is crucial to increase the number of spins sampled and…

The emerging field of quantum sensors and electronics for fundamental physics is introduced, emphasising the role of thin-film superconducting devices. Although the next generation of ground-based and space-based experiments requires the…

Quantum Physics · Physics 2023-02-09 Stafford Withington

Despite being extremely old concepts, plasmonics and surface plasmon resonance-based biosensors have been increasingly popular in the recent two decades due to the growing interest in nanooptics and are now of relevant significance in…

Optics · Physics 2023-04-19 Giuseppina Simone

Miniaturization of continuous fluorescence detection is a challenging task due to the multiple and sensitive parameters intervening in the process. By analyzing fluorescence sensing architectures proposed during the last two years, this…

Scaling up superconducting quantum processors remains a central challenge for realizing fault-tolerant quantum computation. Although distributed architectures based on optical photons offer a promising route to scalability, they require an…

Quantum Physics · Physics 2026-05-18 Kyosuke Goto , Hodaka Kurokawa , Hideo Kosaka , Kazuki Koshino

While the fundamental principles of light-matter interaction are well-understood and drive countless technologies, the world of multiphoton processes remains a fascinating puzzle, holding the potential to drastically alter our understanding…

Optics · Physics 2024-05-30 Fatemeh Mostafavi

Integrated quantum photonic applications, providing physially guaranteed communications security, sub-shot-noise measurement, and tremendous computational power, are nearly within technological reach. Silicon as a technology platform has…

Quantum Physics · Physics 2017-07-11 Joshua W. Silverstone , Damien Bonneau , Jeremy L. O'Brien , Mark G. Thompson

Nitrogen-vacancy quantum defects in diamond offer a promising platform for magnetometry because of their remarkable optical and spin properties. In this Letter, we present a high-sensitivity and wide-bandwidth fiber-based quantum…

Diamond has emerged as a leading host material for solid-state quantum emitters, quantum memories, and quantum sensors. However, the challenges in fabricating photonic devices in diamond have limited its potential for use in quantum…

Quantum Physics · Physics 2023-10-05 Kinfung Ngan , Yuan Zhan , Constantin Dory , Jelena Vučković , Shuo Sun