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Multiplexed storage and interaction of Rydberg spinwaves via the gradient echo memory protocol
Bartosz Niewelt, StanisÅaw 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…
Hybrid quantum memory leveraging slow-light and gradient-echo duality
StanisÅaw 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
StanisÅaw 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
StanisÅaw 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…
Spectrum-to-position mapping via programmable spatial dispersion implemented in an optical quantum memory
Marcin JastrzÄbski, StanisÅaw 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 JastrzÄbski, StanisÅaw 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…