Search Results - "Agafonov, Viatcheslav"

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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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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,…”
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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…”
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Two-photon interference from silicon-vacancy centers in remote nanodiamonds by Waltrich, Richard, Klotz, Marco, Agafonov, Viatcheslav N., Kubanek, Alexander

“…The generation of indistinguishable photons is a key requirement for solid-state quantum emitters as a viable source for applications in quantum technologies…”
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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…”
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Enhanced spectral density of a single germanium vacancy center in a nanodiamond by cavity integration by Feuchtmayr, Florian, Berghaus, Robert, Sachero, Selene, Bayer, Gregor, Lettner, Niklas, Waltrich, Richard, Maier, Patrick, Agafonov, Viatcheslav, Kubanek, Alexander

“…Color centers in diamond, among them the negatively charged germanium vacancy (GeV−), are promising candidates for many applications of quantum optics, such as…”
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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…”
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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…”
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“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

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Strongly coupled spins of silicon-vacancy centers inside a nanodiamond with sub-megahertz linewidth by Klotz, Marco, Waltrich, Richard, Lettner, Niklas, Agafonov, Viatcheslav N., Kubanek, Alexander

“…The search for long-lived quantum memories, which can be efficiently interfaced with flying qubits, is longstanding. One possible solution is to use the…”
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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…”
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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…”
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Varying temperature and silicon content in nanodiamond growth: effects on silicon-vacancy centres by Choi, Sumin, Leong, Victor, Davydov, Valery A., Agafonov, Viatcheslav N., Cheong, Marcus W. O., Kalashnikov, Dmitry A., Krivitsky, Leonid A.

“…Nanodidamonds containing colour centres open up many applications in quantum information processing, metrology, and quantum sensing. However, controlling the…”
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