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Journals and Conferences
We demonstrate a probabilistic scheme capable of increasing the phase information of weak coherent states by addition of thermal noise and subsequent photon-counting based postselection. We present experimental and theoretical results.
We implement the squeezing operation as a genuine quantum gate, deterministically and reversibly acting "online" upon an input state no longer restricted to the set of Gaussian states. More specifically, by applying an efficient and robust squeezing operation for the first time to non-Gaussian states, we demonstrate a two-way conversion between a… (More)
We develop an experimental scheme based on a continuous-wave (cw) laser for generating arbitrary superpositions of photon number states. In this experiment, we successfully generate superposition states of zero to three photons, namely advanced versions of superpositions of two and three coherent states. They are fully compatible with developed quantum… (More)
In the thesis we study algorithms that balance exploration (searching the environment for optimal strategy) and exploitation (using the most beneficial strategy). The exploration vs. exploitation dilemma is the main aspect of various problems in theory of reinforcement learning and one of its simplest instances is the multi-armed bandit problem, which we… (More)
Petr Marek, Jaromír Fiurášek, Boris Hage, Alexander Franzen, James DiGugliemo, and Roman Schnabel School of Mathematics and Physics, The Queen’s University, Belfast BT7 1NN, United Kingdom Department of Optics, Palacký University, 17. listopadu 50, 77200 Olomouc, Czech Republic Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut) and… (More)
We experimentally characterize a quantum photonic gate that is capable of converting multiqubit entangled states while acting only on two qubits. It is an important tool in large quantum networks, where it can be used for re-wiring of multipartite entangled states or for generating various entangled states required for specific tasks. The gate can be also… (More)
Mr. Choco is a caricature of a real innkeeper, Jiri Sklenar, from Prostejov, a little town in Czech Republic. Mr. Choco lives wholeheartedly for his customers in his culinary kingdom. Yet a charming lady's tiny order strikes him with a Cupid's dart.
The movie is a tribute to the geniality of my grandpa and his love for humanity. It’s a realistic scene from my grandpa’s and grandma’s life that shows grandma’s inability to understand grandpa’s strong personality. It’s an exaggerated attempt to mimic my grandpa ́s light-speed thinking in 25 frames per second. PRODUCTION Modeling: proxy polygons (smooth… (More)