122 citations · 1.1k across the 56 of their papers we have counts for
32 papers · 1 filter
Multiplexed storage and interaction of Rydberg spinwaves via the gradient echo memory protocol
Bartosz Niewelt, Stanisław Kurzyna, Bartosz Kasza +2
Collective Rydberg excitations offer strong and controllable interactions for quantum information processing, sensing, and nonlinear quantum optics, but their integration with temp…
Rydberg Receivers for Space Applications
Gianluca Allinson, Mark Bason, Alexis Bonnin +10
Rydberg-atom sensors convert radiofrequency, microwave and terahertz fields into optical signals with SI-traceable calibration, high sensitivity, and broad tunability. This review…
Hybrid quantum memory leveraging slow-light and gradient-echo duality
Stanisław Kurzyna, Mateusz Mazelanik, Wojciech Wasilewski +1
We demonstrate a hybrid quantum memory that combines Gradient Echo Memory (GEM) and Electromagnetically Induced Transparency (EIT) protocols for reversible mapping between light an…
Microwave-field quantum metrology with inherent robustness against detection losses enabled by Rydberg interactions
Stanisław Kurzyna, Bartosz Niewelt, Mateusz Mazelanik +3
Quantum sensing and metrology present one of the most promising near-term applications in the field of quantum technologies, with quantum sensors enabling unprecedented precision i…
Long-lived collective Rydberg excitations in atomic gas achieved via ac-Stark lattice modulation
Stanisław Kurzyna, Bartosz Niewelt, Mateusz Mazelanik +2
Collective Rydberg excitations provide promising applications ranging from quantum information processing, and quantum computing to ultra-sensitive electrometry. However, their sho…
Non-classical correlations between photons and phonons of center-of-mass motion of a mechanical oscillator
Ivan Galinskiy, Georg Enzian, Michał Parniak +1
We demonstrate non-classical correlations between phonons and photons created using opto-mechanical spontaneous parametric down-conversion in a system based on a soft-clamped ultra…
Beating the spectroscopic Rayleigh limit via post-processed heterodyne detection
Wiktor Krokosz, Mateusz Mazelanik, Michał Lipka +4
Quantum-inspired superresolution methods surpass the Rayleigh limit in imaging, or the analogous Fourier limit in spectroscopy. This is achieved by carefully extracting the informa…
Spectrum-to-position mapping via programmable spatial dispersion implemented in an optical quantum memory
Marcin Jastrzębski, Stanisław Kurzyna, Bartosz Niewelt +3
Spectro-temporal processing is essential in reaching ultimate per-photon information capacity in optical communication and metrology. In contrast to the spatial domain, complex mul…
Experimental implementation of the optical fractional Fourier transform in the time-frequency domain
Bartosz Niewelt, Marcin Jastrzębski, Stanisław Kurzyna +4
The fractional Fourier transform (FrFT), a fundamental operation in physics that corresponds to a rotation of phase space by any angle, is also an indispensable tool employed in di…
Continuous wideband microwave-to-optical converter based on room-temperature Rydberg atoms
Sebastian Borówka, Uliana Pylypenko, Mateusz Mazelanik +1
The coupling of microwave and optical systems presents an immense challenge due to the natural incompatibility of energies, but potential applications range from optical interconne…
Coherent optical two-photon resonance tomographic imaging in three dimensions
Mateusz Mazelanik, Adam Leszczyński, Tomasz Szawełło +1
Magnetic resonance imaging is a three-dimensional imaging technique, where a gradient of the magnetic field is used to interrogate spin resonances with spatial resolution. The appl…
Quantum asymmetry and noisy multi-mode interferometry
Francesco Albarelli, Mateusz Mazelanik, Michał Lipka +3
Quantum asymmetry is a physical resource which coincides with the amount of coherence between the eigenspaces of a generator responsible for phase encoding in interferometric exper…
Optical-domain spectral super-resolution via a quantum-memory-based time-frequency processor
Mateusz Mazelanik, Adam Leszczyński, Michał Parniak
Existing super-resolution methods of optical imaging hold a solid place as an application in natural sciences, but many new developments allow for beating the diffraction limit in…
Single-photon hologram of a zero-area pulse
Michał Lipka, Michał Parniak
Single photons exhibit inherently quantum and unintuitive properties such as the Hong-ou-Mandel effect, demonstrating their bosonic and quantized nature, yet at the same time may c…
Calibration of Spin-Light Coupling by Coherently Induced Faraday Rotation
Rodrigo A. Thomas, Christoffer Østfeldt, Christian Bærentsen +2
Calibrating the strength of the light-matter interaction is an important experimental task in quantum information and quantum state engineering protocols. The strength of the off-r…
Massively-multiplexed generation of Bell-type entanglement using a quantum memory
Michał Lipka, Mateusz Mazelanik, Adam Leszczyński +2
High-rate generation of hybrid photon-matter entanglement remains a fundamental building block of quantum network architectures enabling protocols such as quantum secure communicat…
Real-time ghost imaging of Bell-nonlocal entanglement between a photon and a quantum memory
Mateusz Mazelanik, Adam Leszczyski, Michał Lipka +2
Certification of nonlocality of quantum mechanics is an important fundamental test that typically requires prolonged data collection and is only revealed in an in-depth analysis. T…
Fast imaging of multimode transverse-spectral correlations for twin photons
Michał Lipka, Michał Parniak
Hyperentangled photonic states - exhibiting nonclassical correlations in several degrees of freedom - offer improved performance of quantum optical communication and computation sc…
Entanglement distribution with wavevector-multiplexed quantum memory
Michał Lipka, Mateusz Mazelanik, Michał Parniak
Feasible distribution of quantum entanglement over long distances remains a fundamental step towards quantum secure communication and quantum network implementations. Quantum repea…
Phonon counting thermometry of an ultracoherent membrane resonator near its motional ground state
Ivan Galinskiy, Yeghishe Tsaturyan, Michał Parniak +1
Generation of non-Gaussian quantum states of macroscopic mechanical objects is key to a number of challenges in quantum information science, ranging from fundamental tests of decoh…
Entanglement between Distant Macroscopic Mechanical and Spin Systems
Rodrigo A. Thomas, Michał Parniak, Christoffer Østfeldt +7
Entanglement is a vital property of multipartite quantum systems, characterised by the inseparability of quantum states of objects regardless of their spatial separation. Generatio…
Resolution limits of spatial mode demultiplexing with noisy detection
Yink Loong Len, Chandan Datta, Michał Parniak +1
We consider the problem of estimating the spatial separation between two mutually incoherent point light sources using the super-resolution imaging technique based on spatial mode…
Temporal imaging for ultra-narrowband few-photon states of light
Mateusz Mazelanik, Adam Leszczyński, Michał Lipka +2
Plenty of quantum information protocols are enabled by manipulation and detection of photonic spectro-temporal degrees of freedom via light-matter interfaces. While present impleme…
Superradiant parametric conversion of spin waves
Mateusz Mazelanik, Adam Leszczyński, Michał Lipka +2
Atomic-ensemble spin waves carrying single-photon Fock states exhibit nonclassical many-body correlations in-between atoms. The same correlations are inherently associated with sin…