A. Nomerotski
A5091228521- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- CCD and CMOS Imaging Sensors
- Radiation Detection and Scintillator Technologies
- Neutrino Physics Research
- Atomic and Subatomic Physics Research
- Computational Physics and Python Applications
- Particle Accelerators and Free-Electron Lasers
- Advanced Optical Sensing Technologies
- Quantum Information and Cryptography
- Cosmology and Gravitation Theories
- Black Holes and Theoretical Physics
- Adaptive optics and wavefront sensing
- Astrophysics and Cosmic Phenomena
- Stellar, planetary, and galactic studies
- Quantum Mechanics and Applications
- Medical Imaging Techniques and Applications
- Superconducting Materials and Applications
- Laser-Matter Interactions and Applications
- Infrared Target Detection Methodologies
- Nuclear Physics and Applications
- Mass Spectrometry Techniques and Applications
Czech Technical University in Prague
2020-2025
Florida International University
2024-2025
Stony Brook University
2020-2024
State University of New York
2024
Brookhaven National Laboratory
2014-2023
American University of Ras Al Khaimah
2023
Brookhaven College
2022
University of Washington
2021
European Organization for Nuclear Research
2011-2020
University of Manchester
2020
We demonstrate a coincidence velocity map imaging apparatus equipped with novel time-stamping fast optical camera, Tpx3Cam, whose high sensitivity and nanosecond timing resolution allow for simultaneous position time-of-flight detection. This single detector design is simple, flexible, capable of highly differential measurements. show detailed characterization the camera its application in strong field ionization experiments.
Abstract We describe the simulated sky survey underlying second data challenge (DC2) carried out in preparation for analysis of Vera C. Rubin Observatory Legacy Survey Space and Time (LSST) by LSST Dark Energy Science Collaboration (LSST DESC). Significant connections across multiple science domains will be a hallmark LSST; DC2 program represents unique modeling effort that stresses this interconnectivity way has not been attempted before. This encompasses full end-to-end approach: starting...
We describe a novel fast optical imager, TimepixCam, based on an optimized silicon pixel sensor with thin entrance window, read out by Timepix ASIC. TimepixCam is able to record and time-stamp light flashes in excess of 1,000 photons high quantum efficiency the 400–1000nm wavelength range 20ns timing resolution, corresponding effective rate 50 Megaframes per second. The camera was used for imaging ions impinging microchannel plate followed phosphor screen. Possible applications include...
The ``pixel imaging mass spectrometry'' camera is used to perform femtosecond laser-induced Coulomb explosion of 3,5-dibromo-3${}^{\ensuremath{'}}$,5${}^{\ensuremath{'}}$-difluoro-4${}^{\ensuremath{'}}$-cyanobiphenyl molecules prealigned in space. experiment allows the concurrent detection correlated two-dimensional momentum images all ionic fragments resulting from fragmentation multiple each acquisition cycle. studies provide rich information about parent molecular structure and dynamics,...
In this work we investigate quantum-enhanced target detection in the presence of large background noise using multidimensional quantum correlations between photon pairs generated through spontaneous parametric down-conversion. Until now similar experiments have only utilized one pairs' many degrees freedom such as temporal and number correlations. Here, both spectral achieved over an order magnitude reduction to turn significant data acquisition time when compared utilizing modes. We believe...
Inflation may provide unique insight into the physics at highest available energy scales that cannot be replicated in any realistic terrestrial experiment. Features primordial power spectrum are generically predicted a wide class of models inflation and its alternatives, observationally one most overlooked channels for finding evidence non-minimal inflationary models. Constraints from observations cosmic microwave background cover widest range feature frequencies, but sensitive constraints...
Our current understanding of the Universe is established through pristine measurements structure in cosmic microwave background (CMB) and distribution shapes galaxies tracing large scale (LSS) Universe. One key ingredient that underlies cosmological observables field sources observed assumed to be initially Gaussian with high precision. Nevertheless, a minimal deviation from Gaussianityis perhaps most robust theoretical prediction models explain Universe; itis necessarily present even...
Knowing the properties of single photons produced in a Spontaneous Parametric Down-Conversion (SPDC) source can be crucial for specific applications and uses. In particular, spectral are key relevance. Here, we investigate commercial SPDC using our fast broadband spectrometer. Our analysis is valid method other sources, as well single-photon generation techniques, thus providing good example how to use this spectrometer design. We calibrate known lines argon emission spectrum. show that two...
PImMS, or Pixel Imaging Mass Spectrometry, is a novel high-speed monolithic CMOS imaging sensor tailored to mass spectrometry requirements, also suitable for other dark-field applications. In its application time-of-flight spectrometry, the permits ion arrival time distributions be combined with 2D imaging, providing additional information about initial position velocity of ions under study. PImMS1, first generation in this family, comprises an array 72 by pixels on 70 μm pitch. Pixels...
The development of sensors capable detecting particles and radiation with both high time positional resolution is key to improving our understanding in many areas science. Example applications such range from fundamental scattering studies chemical reaction mechanisms through imaging mass spectrometry surfaces, neutron aimed at probing the structure materials, time-resolved fluorescence measurements elucidate function biomolecules. In addition improved throughput resulting parallelisation...
We describe the characterization of TimepixCam, a novel camera used to time-stamp optical photons. The employs specialized silicon sensor with thin entrance window, read out by Timepix ASIC. TimepixCam is able record and light flashes exceeding 1,000 photons 15 ns time resolution. Specially produced photodiodes were evaluate quantum efficiency, which was determined be higher than 90% in wavelength range 430–900 nm. sensitivity ion detection efficiency compared for variety sensors different...
The hot dense environment of the early universe is known to have produced large numbers baryons, photons, and neutrinos. These extreme conditions may also other long-lived species, including new light particles (such as axions or sterile neutrinos) gravitational waves. effects any such relics can be observed through their unique imprint in cosmic microwave background (CMB), large-scale structure, primordial element abundances, are important determining initial universe. We argue that future...
Abstract Scalable technologies to characterize the performance of quantum devices are crucial creating large networks and processing units. Chief among resources information is entanglement. Here we describe full temporal spatial characterization polarization-entangled photons produced by Spontaneous Parametric Down Conversions using an intensified high-speed optical camera, Tpx3Cam. This novel technique allows for precise determination Bell inequality parameters with minimal technical...
We apply the support vector machine (SVM) algorithm to derive a set of entanglement witnesses (EW) identify patterns in families four-qubit states. The effectiveness SVM for practical EW implementations stems from coarse-grained description equivalent entangled quantum equivalence criteria our work is based on stochastic local operations and classical communication classification Werner numerically verify that approach provides an effective tool address witness problem when given family...
Hyperentanglement, which refers to entanglement across more than one degree of freedom (DoF), is a valuable resource in photonic quantum information technology. However, the lack efficient characterization schemes hinders its quantitative study and application potential. Here, we present rapid spatial-polarization hyperentangled biphoton state produced from spontaneous parametric down-conversion. We first demonstrate certification hyperentanglement dimensionality with cumulative acquisition...
The Hanbury Brown–Twiss (HBT) effect holds a pivotal place in intensity interferometry and gave seminal contribution to the development of quantum optics. To observe such an effect, both good spectral timing resolutions are necessary. Most often, HBT is observed for single frequency at time due its limitations dealing with multifrequencies simultaneously, halting limiting some applications. Here, we report fast data-driven spectrometer built one-dimensional array single-photon-sensitive...
We present an analysis of the discovery reach for supersymmetric particles at upgraded Tevatron collider, assuming that SUSY breaking results in universal soft parameters grand unification scale, and lightest particle is stable neutral. first a review literature, including issues unification, renormalization group evolution supersymmetry effect radiative corrections on effective low energy couplings masses theory. consider experimental bounds coming from direct searches those arising...
We present the first multimass velocity-map imaging data acquired using a new ultrafast camera designed for time-resolved particle imaging. The PImMS (Pixel Imaging Mass Spectrometry) sensor allows events to be imaged with time resolution as high 25 ns over acquisition times of more than 100 μs. In photofragment studies, this images multiple fragment masses on each time-of-flight cycle. describe architecture and bench-testing photofragments formed in UV photolysis two test molecules: Br2...
In this paper, direct observation of micromotion for multiple ions in a laser-cooled trapped ion crystal is discussed along with measurement technique amplitude. Micromotion directly observed using time-resolving, single-photon-sensitive camera that provides both fluorescence and position data each on the nanosecond time scale. amplitude phase are measured, allowing method to be sensitive tilts shifts chain from null radio-frequency quadrupole potential linear trap. Spatial resolution makes...
In this work we demonstrate spectral-temporal correlation measurements of the Hong-Ou-Mandel (HOM) interference effect with use a spectrometer based on photon-counting camera. This setup allows us to take, within seconds, spectral temporal entangled photon sources sub-nanometer resolution and nanosecond timing resolution. Through post processing, can observe HOM behaviour for any number filters shape width at wavelength over observable range. Our also offers great versatility in that it is...