Search Results - "Davydov, Valery"

Ultrasensitive All-Optical Thermometry Using Nanodiamonds with a High Concentration of Silicon-Vacancy Centers and Multiparametric Data Analysis by Choi, Sumin, Agafonov, Viatcheslav N, Davydov, Valery A, Plakhotnik, Taras

“…Nanoscale thermometry is paramount to study primary processes of heat transfer in solids and is a subject of hot debate in cell biology. Here we report…”
Get full text

All-optical nanoscale thermometry with silicon-vacancy centers in diamond by Nguyen, Christian T., Evans, Ruffin E., Sipahigil, Alp, Bhaskar, Mihir K., Sukachev, Denis D., Agafonov, Viatcheslav N., Davydov, Valery A., Kulikova, Liudmila F., Jelezko, Fedor, Lukin, Mikhail D.

“…We demonstrate an all-optical thermometer based on an ensemble of silicon-vacancy centers (SiVs) in diamond by utilizing the sensitivity of the zero-phonon…”
Get full text

Ultracompact Single‐Photon Sources of Linearly Polarized Vortex Beams by Liu, Xujing, Kan, Yinhui, Kumar, Shailesh, Kulikova, Liudmilla F., Davydov, Valery A., Agafonov, Viatcheslav N., Zhao, Changying, Bozhevolnyi, Sergey I.

“…Ultracompact chip‐integrated single‐photon sources of collimated beams with polarization‐encoded states are crucial for integrated quantum technologies…”
Get full text

Multiple channelling single-photon emission with scattering holography designed metasurfaces by Komisar, Danylo, Kumar, Shailesh, Kan, Yinhui, Meng, Chao, Kulikova, Liudmila F., Davydov, Valery A., Agafonov, Viatcheslav N., Bozhevolnyi, Sergey I.

“…Channelling single-photon emission in multiple well-defined directions and simultaneously controlling its polarization characteristics is highly desirable for…”
Get full text

Silicon-Vacancy Nanodiamonds as High Performance Near-Infrared Emitters for Live-Cell Dual-Color Imaging and Thermometry by Liu, Weina, Alam, Md Noor A, Liu, Yan, Agafonov, Viatcheslav N, Qi, Haoyuan, Koynov, Kaloian, Davydov, Valery A, Uzbekov, Rustem, Kaiser, Ute, Lasser, Theo, Jelezko, Fedor, Ermakova, Anna, Weil, Tanja

“…Nanodiamonds (NDs) with color centers are excellent emitters for various bioimaging and quantum biosensing applications. In our work, we explore new…”
Get full text

On-chip excitation of single germanium vacancies in nanodiamonds embedded in plasmonic waveguides by Siampour, Hamidreza, Kumar, Shailesh, Davydov, Valery A., Kulikova, Liudmila F., Agafonov, Viatcheslav N., Bozhevolnyi, Sergey I.

“…Monolithic integration of quantum emitters in nanoscale plasmonic circuitry requires low-loss plasmonic configurations capable of confining light well below…”
Get full text

Nanodiamonds carrying silicon-vacancy quantum emitters with almost lifetime-limited linewidths by Jantzen, Uwe, Kurz, Andrea B, Rudnicki, Daniel S, Schäfermeier, Clemens, Jahnke, Kay D, Andersen, Ulrik L, Davydov, Valery A, Agafonov, Viatcheslav N, Kubanek, Alexander, Rogers, Lachlan J, Jelezko, Fedor

“…Colour centres in nanodiamonds are an important resource for applications in quantum sensing, biological imaging, and quantum optics. Here we report…”
Get full text

Formation of SiV centers by doping in bottom-up grown HPHT nanodiamonds and its implication for optical nanosensig by Plakhotnik, Taras, Duka, Tim, Davydov, Valery A., Agafonov, Viatcheslav N.

“…We investigate doping and formation of luminescent point defects in nanodiamond at high pressures and high temperatures (HPHT) in fluorine-containing…”
Get full text

Hybrid quantum nanophotonic devices with color centers in nanodiamonds [Invited] by Sahoo, Swetapadma, Davydov, Valery A., Agafonov, Viatcheslav N., Bogdanov, Simeon I.

“…Optically active color centers in nanodiamonds offer unique opportunities for generating and manipulating quantum states of light. These mechanically,…”
Get full text

Preparing single SiV− center in nanodiamonds for external, optical coupling with access to all degrees of freedom by Häußler, Stefan, Hartung, Lukas, Fehler, Konstantin G, Antoniuk, Lukas, Kulikova, Liudmila F, Davydov, Valery A, Agafonov, Viatcheslav N, Jelezko, Fedor, Kubanek, Alexander

“…Optical coupling enables intermediate- and long-range interactions between distant quantum emitters. Such interaction may be the basic element in bottom-up…”
Get full text

High-purity single photons obtained with moderate-NA optics from SiV center in nanodiamonds on a bullseye antenna by Waltrich, Richard, Lubotzky, Boaz, Abudayyeh, Hamza, Steiger, Elena S, Fehler, Konstantin G, Lettner, Niklas, Davydov, Valery A, Agafonov, Viatcheslav N, Rapaport, Ronen, Kubanek, Alexander

“…Abstract Coherent exchange of single photons is at the heart of applied quantum optics. The negatively-charged silicon vacancy center in diamond is among most…”
Get full text

Comparative Study of Condensation Routes for Formation of Nano- and Microsized Carbon Forms in Hydrocarbon, Fluorocarbon, and Fluoro-Hydrocarbon Systems at High Pressures and Temperatures by Davydov, Valery A, Agafonov, Viatcheslav, Khabashesku, Valery N

“…Thermal transformations of binary mixtures of hydrocarbons and fluorocarbons under high pressures demonstrate significantly lower initiation temperature…”
Get full text

Monolayer‐Thick GaN/AlN Multilayer Heterostructures for Deep‐Ultraviolet Optoelectronics by Jmerik, Valentin, Toropov, Alexey, Davydov, Valery, Ivanov, Sergey

“…Recent progress in the development of monolayer (ML)‐thick GaN/AlN multilayer heterostructures for deep‐ultraviolet (UV) optoelectronics is reviewed. Analysis…”
Get full text

Mechanism of Transformation of Ferrocene into Carbon-Encapsulated Iron Carbide Nanoparticles at High Pressures and Temperatures by Baskakov, Arseniy O, Lyubutin, Igor S, Starchikov, Sergey S, Davydov, Valery A, Kulikova, Ludmila F, Egorova, Tolganay B, Agafonov, Vyacheslav N

“…A mechanism was established for the formation of nanosized iron carbide particles encapsulated in carbon shells via the processes of ferrocene thermal…”
Get full text

Synthesis and coherent properties of 13C-enriched sub-micron diamond particles with nitrogen vacancy color centers by Mindarava, Yuliya, Blinder, Rémi, Liu, Yan, Scheuer, Jochen, Lang, Johannes, Agafonov, Viatcheslav, Davydov, Valery A., Laube, Christian, Knolle, Wolfgang, Abel, Bernd, Naydenov, Boris, Jelezko, Fedor

“…Here we report the synthesis of 13C-enriched diamond powder with sub-micron particle sizes via High Pressure High Temperature (HPHT) growth. Diamond powder…”
Get full text

Ultracompact Single‐Photon Sources of Linearly Polarized Vortex Beams (Adv. Mater. 4/2024) by Liu, Xujing, Kan, Yinhui, Kumar, Shailesh, Kulikova, Liudmilla F., Davydov, Valery A., Agafonov, Viatcheslav N., Zhao, Changying, Bozhevolnyi, Sergey I.

“…Ultracompact Single‐Photon Sources In article number 2304495, Yinhui Kan, Changying Zhao, Sergey I. Bozhevolnyi, and co‐workers propose ultracompact…”
Get full text

Nitrogen and group-IV (Si, Ge) vacancy color centres in nano-diamonds: photoluminescence study at high temperature (25 °C-600 °C) by Zaghrioui, Mustapha, Agafonov, Viatcheslav N, Davydov, Valery A

“…Raman scattering and photoluminescence measurements have been carried out on nano-diamonds containing Nitrogen-vacancy (NV−), Silicon-Vacancy (SiV−) and…”
Get full text

“Core–Shell” Diamond Nanoparticles with NV – Centers and a Highly Isotopically Enriched 13 C Shell as a Promising Hyperpolarization Agent by Mindarava, Yuliya, Blinder, Rémi, Davydov, Valery A., Zaghrioui, Mustapha, Agafonov, Viatcheslav N., Autret, Cécile, Balasubramanian, Priyadharshini, Gonzalez Brouwer, Raúl, Jelezko, Fedor

Get full text

Hybrid Quantum Photonics Based on Artificial Atoms Placed Inside One Hole of a Photonic Crystal Cavity by Fehler, Konstantin G, Antoniuk, Lukas, Lettner, Niklas, Ovvyan, Anna P, Waltrich, Richard, Gruhler, Nico, Davydov, Valery A, Agafonov, Viatcheslav N, Pernice, Wolfram H. P, Kubanek, Alexander

“…Spin-based, quantum-photonics promise to realize distributed quantum computing and quantum networks. The performance depends on an efficient entanglement…”
Get full text

Ultrabright single-photon emission from germanium-vacancy zero-phonon lines: deterministic emitter-waveguide interfacing at plasmonic hot spots by Siampour, Hamidreza, Wang, Ou, Zenin, Vladimir A., Boroviks, Sergejs, Siyushev, Petr, Yang, Yuanqing, Davydov, Valery A., Kulikova, Liudmila F., Agafonov, Viatcheslav N., Kubanek, Alexander, Mortensen, N. Asger, Jelezko, Fedor, Bozhevolnyi, Sergey I.

“…Striving for nanometer-sized solid-state single-photon sources, we investigate atom-like quantum emitters based on single germanium-vacancy (GeV) centers…”
Get full text