96 citations · 427 across the 24 of their papers we have counts for
24 papers
Super-resolution of ultrafast pulses via spectral inversion
Michał Lipka, Michał Parniak
The resolution limits of classical spectroscopy can be surpassed by quantum-inspired methods leveraging the information contained in the phase of the complex electromagnetic field.…
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…
Multiparameter quantum sensing and magnetic communications with a hybrid dc and rf optically pumped magnetometer
Michał Lipka, Aleksandra Sierant, Charikleia Troullinou +1
We introduce and demonstrate a hybrid optically pumped magnetometer (HOPM) that simultaneously measures one dc field component and one rf field component quadrature with a single a…
Ultrafast electro-optic Time-Frequency Fractional Fourier Imaging at the Single-Photon Level
Michał Lipka, Michał Parniak
The Fractional Fourier Transform (FRT) corresponds to an arbitrary-angle rotation in the phase space, e.g. the time-frequency (TF) space, and generalizes the fundamentally importan…
Variable electro-optic shearing interferometry for ultrafast single-photon-level pulse characterization
Stanisław Kurzyna, Marcin Jastrzębski, Nicolas Fabre +3
Despite the multitude of available methods, the characterisation of ultrafast pulses remains a challenging endeavour, especially at the single-photon level. We introduce a pulse ch…
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…
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…
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…
Quantum Fingerprinting over AWGN Channels with Power-Limited Optical Signals
Michał Lipka, Marcin Jarzyna, Konrad Banaszek
Quantum fingerprinting reduces communication complexity of determination whether two -bit long inputs are equal or different in the simultaneous message passing model. Here we q…
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…
Spatial spin-wave modulator for quantum memory assisted adaptive measurements
Michał Lipka, Adam Leszczyński, Mateusz Mazelanik +2
Utilization of the spatial degree of freedom vastly enhances informational capacity of light at the cost of stringent requirements on the processing devices. Multi-mode quantum mem…
Coherent spin-wave processor of stored optical pulses
Mateusz Mazelanik, Michał Parniak, Adam Leszczyński +2
A device being a pinnacle of development of an optical quantum memory should combine the capabilities of storage, inter-communication and processing of stored information. In parti…
Microchannel plate cross-talk mitigation for spatial autocorrelation measurements
Michał Lipka, Michał Parniak, Wojciech Wasilewski
Microchannel plates (MCP) are the basis for many spatially-resolved single-particle detectors such as ICCD or I-sCMOS cameras employing image intensifiers (II), MCPs with delay-lin…
Quantum optics of spin waves through ac Stark modulation
Michał Parniak, Mateusz Mazelanik, Adam Leszczyński +3
We bring the set of linear quantum operations, important for many fundamental studies in photonic systems, to the material domain of collective excitations known as spin waves. Usi…
Spatially-resolved control of fictitious magnetic fields in a cold atomic ensemble
Adam Leszczyński, Mateusz Mazelanik, Michał Lipka +3
Effective and unrestricted engineering of atom-photon interactions requires precise spatially-resolved control of light beams. The significant potential of such manipulations lies…
Certification of high-dimensional entanglement and Einstein-Podolsky-Rosen steering with cold atomic quantum memory
Michał Dąbrowski, Mateusz Mazelanik, Michał Parniak +3
The advent of structured, high-dimensional entangled states brings new possibilities for quantum imaging, information processing and quantum key distribution. We experimentally gen…
Quantum fingerprinting using two-photon interference
Michał Jachura, Michał Lipka, Marcin Jarzyna +1
We present a quantum fingerprinting protocol relying on two-photon interference which does not require a shared phase reference between the parties preparing optical signals carryi…
Visibility-based hypothesis testing using higher-order optical interference
Michał Jachura, Marcin Jarzyna, Michał Lipka +2
Many quantum information protocols rely on optical interference to compare datasets with efficiency or security unattainable by classical means. Standard implementations exploit fi…
Wavevector multiplexed quantum memory via spatially-resolved single-photon detection
Michał Parniak, Michał Dąbrowski, Mateusz Mazelanik +3
Parallelized quantum information processing requires tailored quantum memories to simultaneously handle multiple photons. The spatial degree of freedom is a promising candidate to…
Optical Frequency Locked Loop for long-term stabilization of broad-line DFB lasers frequency difference
Michał Lipka, Michał Parniak, Wojciech Wasilewski
We present an experimental realization of the Optical Frequency Locked Loop (OFLL) applied to long-term frequency difference stabilization of broad-line DFB lasers. The presented d…