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In the SPOT-NOSED European project, nanoscale sensing elements bearing olfactory receptors and grafted onto functionalized gold substrates are used as odorant detectors to develop a new concept of nanobioelectronic nose, through sensitive…

其他计算机科学 · 计算机科学 2008-02-22 E. Pajot-Augy

The interpretation of the electronic kinetic processes in the quantum zero dimensional nanostructures is considered. The main mechanism of the processes is supposed to be the interaction of electrons with the optical phonons. An emphasis is…

介观与纳米尺度物理 · 物理学 2012-01-05 K. Kral , M. Mensik

Magnetic nanoparticles (MNPs) have been extensively used as tiny heating sources in magnetic hyperthermia therapy, contrast agents in magnetic resonance imaging (MRI), tracers in magnetic particle imaging (MPI), carriers for drug/gene…

应用物理 · 物理学 2021-06-16 Kai Wu , Jinming Liu , Renata Saha , Chaoyi Peng , Diqing Su , Andrew Yongqiang Wang , Jian-Ping Wang

An important tool in the investigation of the early stages of neurodegenerative disease is the study of dissected living tissue from the brain of an animal model. Such investigations allow the physical structure of individual neurons and…

The nitrogen-vacancy (NV) color center in diamond has demonstrated great promise in a wide range of quantum sensing. Recently, there have been a series of proposals and experiments using NV centers to detect spin noise of quantum materials…

介观与纳米尺度物理 · 物理学 2023-04-14 Jacob Henshaw , Pauli Kehayias , Luca Basso , Michael Jaris , Rong Cong , Michael Titze , Tzu-Ming Lu , Michael P. Lilly , Andrew M. Mounce

The sensing of external fields using quantum systems is a prime example of an emergent quantum technology. Generically, the sensitivity of a quantum sensor consisting of $N$ independent particles is proportional to $\sqrt{N}$. However,…

量子物理 · 物理学 2020-03-27 Meghana Raghunandan , Jörg Wrachtrup , Hendrik Weimer

A technology for recording electrical activity of large neuron populations at arbitrary depth in brain tissues with less than cell spatial and millisecond temporal resolutions was the most craving dream of neuroscientists and a long pursued…

生物物理 · 物理学 2013-09-02 Roman V. Beletskiy

The use of tapered optical fibers, i.e., optical nanofibers, for spectroscopy and the detection of small numbers of particles, such as neutral atoms or molecules, has been gaining ground in recent years. In this review, we briefly introduce…

Quantum photonics has demonstrated its potential for enhanced sensing. Current sources of quantum light states tailored to measuring, allow to monitor phenomena evolving on time scales of the order of the second. These are characteristic of…

The in vivo propulsion and monitoring of nanoparticles (NPs) have received tremendous achievements in the past decade. Developing functional NPs that can be efficiently manipulated inside the human body with a non-invasive tracking modality…

生物物理 · 物理学 2024-10-07 Jiayan Li , Chang Xu , Yingna Chen , Junmei Cao , Wanli Ye , Yu Cheng , Qian Cheng

We report a theoretical study of clusters of evanescently-coupled 2D whispering-gallery (WG) mode optical micro-cavities (termed "photonic molecules") as chemosensing and biosensing platforms. Photonic molecules (PMs) supporting modes with…

光学 · 物理学 2009-11-11 Svetlana V. Boriskina

Following the first demonstration of a levitated nanosphere cooled to the quantum ground state in 2020 [1], macroscopic quantum sensors are seemingly on the horizon. The nanosphere's large mass as compared to other quantum systems enhances…

量子物理 · 物理学 2021-03-19 Markus Rademacher , James Millen , Ying Lia Li

Integrated quantum optical hybrid devices consist of fundamental constituents such as single emitters and tailored photonic nanostructures. A reliable fabrication method requires the controlled deposition of active nanoparticles on…

Nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) are well-established techniques that provide valuable information in a diverse set of disciplines but are currently limited to macroscopic sample volumes. Here we…

Fluorescent nanodiamonds (fNDs) containing Nitrogen Vacancy (NV) centres are promising candidates for quantum sensing in biological environments. However, to date, there has been little progress made to combine the sensing capabilities of…

应用物理 · 物理学 2018-12-06 J. C. Price , S. J. Levett , V. Radu , D. A. Simpson , A. Mogas Barcons , C. F. Adams , M. L. Mather

A long-standing limitation of semiconductor neutron detectors is the lack of a scalable solution to make large area instruments. Neutron detectors are used in a wide range of applications, including the nuclear industry, safeguarding…

Future technologies underpinning high-performance optical communications, ultrafast computations and compact biosensing will rely on densely packed reconfigurable optical circuitry based on nanophotonics. For many years, plasmonics was…

光学 · 物理学 2020-12-02 Pavel Tonkaev , Yuri Kivshar

We introduce a new direction in the field of atom optics, atom interferometry, and neutral-atom quantum information processing. It is based on the use of microfabricated optical elements. With these elements versatile and integrated atom…

量子物理 · 物理学 2009-11-06 G. Birkl , F. B. J. Buchkremer , R. Dumke , W. Ertmer

We demonstrate the chemical characterization of aerosol particles with on-chip spectroscopy using a photonic cavity enhanced silicon nitride (Si3N4) racetrack resonator-based sensor. The sensor operates over a broad and continuous…

应用物理 · 物理学 2018-06-19 Robin Singh , Danhao Ma , Lionel Kimerling , Anu Agarwal , Brian W. Anthony

Recent years have witnessed a growing interest in understating the limitations imposed by quantum noise in precision measurements and devising techniques to reduce it. The attention is currently turning to the simultaneously estimation of…

量子物理 · 物理学 2025-02-25 Luca Pezzè , Augusto Smerzi