MULTIPHOTON LAB LOGO
Joint Laboratory of Optics RCPTM Palacký University Institute of Physics


Papers (), posters () and talks ()

2022

 
paperOpen source workflow for multispectral imaging based on artificial neural networks D. Růžičková, J. Švihel, A. Černoch, K. Lemr, Jemná mechanika a optika 2/2022 (2022)[PDF]

2021

 
paperExperimental hierarchy and optimal robustness of quantum correlations of two-qubit states with controllable white noise K. Jiráková, A. Černoch, K. Lemr, K. Bartkiewicz, A. Miranowicz, Phys. Rev. A 104, 062436 (2021).[PDF]
paperMeasuring concurance in qubit Werner states without an aligned reference frame K. Jiráková, A. Barasiński, A. Černoch, K. Lemr, J. Soubusta, Phys. Rev. Applied 16, 054042 (2021).[PDF]
paperCompound twin beams without the need of genuine photon-number-resolving detection J. Peřina Jr., A. Černoch, J. Soubusta, Phys. Rev. Applied 16, 024061 (2021).[PDF]
paperUsing a commertially available LIDAR scanner for IR reflectography in cultural heritage research J. Švihel, A. Černoch, K. Lemr, J. Michalčáková, Jemná mechanika a optika 6/2021 (2021)[PDF]
paperAccuracy of entanglement detection via artificial neural networks and human-designed entanglement witness J. Roik, K. Bartkiewicz, A. Černoch, K. Lemr, Phys. Rev. Applied 15, 054006 (2021).[PDF]
paperExperimentally friendly approach towards nonlocal correlations in multisetting N-partite Bell scenarios A. Barasiński, A. Černoch, W. Laskowski, K. Lemr, T. Vértesi, J. Soubusta, Quantum 5, 430 (2021).[PDF]

2020

 
paperDiagnostics of entanglement swapping by a collective entanglement test V. Trávníček, K. Bartkiewicz, A. Černoch, K. Lemr, Phys. Rev. Applied 14, 064071 (2020).[PDF]
paperRotation-time symmetry in bosonic systems and the existence of exceptional points in the absence of PT symmetry E. Lange, G. Chimczak, A. Kowalewska-Kudłaszyk, K. Bartkiewicz, Sci. Rep. 10, 19906 (2020).[PDF]
paperExperimental kernel-based quantum machine learning in finite feature space K. Bartkiewicz, C. Gneiting, A. Černoch, K. Jiráková, K. Lemr, F. Nori, Sci. Rep. 10, 12356 (2020).[PDF]
paperInterplay between strong and weak measurement: comparison of three experimental approaches to weak value estimation J. Roik, K. Lemr, A. Černoch, K. Bartkiewicz, J. Opt. 22, 065202 (2020).[PDF]
paperGenuine tripartite nonlocality for random measurements in Greenberger-Horne-Zeilinger-class states and its experimental test A. Barasiński, A. Černoch, K. Lemr, J. Soubusta, Phys. Rev. A 101, 052109 (2020).[PDF]

2019

 
paperExperimental Measurement of the Hilbert-Schmidt Distance between Two-Qubit States as a Means for Reducing the Complexity of Machine Learning V. Trávníček, K. Bartkiewicz, A. Černoch, K. Lemr, Phys. Rev. Lett. 123, 260501 (2019).[PDF]
talkKvantové počítače: revoluce nebo slepá ulička? K. Lemr, Planetárium Brno (28. listopadu 2019)[PDF]
paperExperimentally attacking quantum money schemes based on quantum retrieval games K. Jiráková, K. Bartkiewicz, A. Černoch, K. Lemr , Sci. Rep. 9, 16318 (2019).[PDF]
paperExperimental hybrid quantum-classical reinforcement learning by boson sampling: how to train a quantum cloner J. Jašek, K. Jiráková, K. Bartkiewicz, A. Černoch, T. Fürst, K. Lemr, Opt. Express 27, 32454 (2019).[PDF]
talkExperimental measurement of Hilbert-Schmidt distance V. Trávníček et al., QuTecNOMM 2019 (Poznań) 
talkNew experimental tests of three-qubit nonlocality J. Soubusta et al., QuTecNOMM 2019 (Poznań) 
talkComparison of three experimental approaches to weak value estimation J. Roik et al., QuTecNOMM 2019 (Poznań) 
talkExperimental implementation of a programmable controlled-phase gate (work in progress) K. Lemr et al., QuTecNOMM 2019 (Poznań)[PDF]
talkExperimental implementation of a machine-learned quantum gate K. Jiráková et al., QuTecNOMM 2019 (Poznań) 
talkInterferometers in the service of quantum information processing A. Černoch, QuTecNOMM 2019 (Poznań)[PDF]
talkKernel based quantum machine learning with photons K. Bartkiewicz et al., QuTecNOMM 2019 (Poznań) 
posterExperimental demonstration of Hardy's paradox using three-qubit states K. Jiráková et al., CEWQO 2019 (Paderborn) 
talkKernel-based quantum machine learning with photons K. Bartkiewicz et al., CEWQO 2019 (Paderborn) 
paperDemonstration of Controlled Quantum Teleportation for Discrete Variables on Linear Optical Devices A. Barasiński, A. Černoch, K. Lemr, Phys. Rev. Lett. 122, 170501 (2019).[PDF]
paperExperimental verification of time-order-dependent correlations in three-qubit Greenberger-Horne-Zeilinger-class states A. Barasiński, A. Černoch, K. Lemr, J. Soubusta, Phys. Rev. A 99, 042123 (2019).[PDF]
posterExperimental measurement of Hilbert-Schmidt distance between two-qubit states V. Trávníček et al., New Trends in Complex Quantum Systems Dynamics (Venice)[PDF]
posterExperimental counterfeiting of quantum money K. Jiráková et al., New Trends in Complex Quantum Systems Dynamics (Venice)[PDF]
posterExperimental testing of three-qubit nonlocality A. Černoch et al., New Trends in Complex Quantum Systems Dynamics (Venice)[PDF]
posterDiagnosing quantum relays by means of collective entanglement witnesses K. Lemr et al., New Trends in Complex Quantum Systems Dynamics (Venice)[PDF]
paperMeasuring distances in Hilbert space by many-particle interference K. Bartkiewicz, V. Trávníček, K. Lemr, Phys. Rev. A 99, 032336 (2019).[PDF]

2018

 
talkExperimental measurement of nonlinear entanglement witness by hyper-entangling two-qubit states V. Trávníček et al., QuTecNOMM 2018 (Poznań) 
talkExperimental testing of three-qubit nonlocality J. Soubusta et al., QuTecNOMM 2018 (Poznań) 
talkDiagnosing quantum relays by means of collective entanglement witnesses K. Lemr et al., QuTecNOMM 2018 (Poznań)[PDF]
talkExperimental counterfeiting of quantum money K. Jiráková et al., QuTecNOMM 2018 (Poznań) 
talkBeam-splitting tricks A. Černoch et al., QuTecNOMM 2018 (Poznań)[PDF]
talkMeasuring distance between points in Hilbert space with photons K. Bartkiewicz et al., QuTecNOMM 2018 (Poznań) 
paperCreating a switchable optical cavity with controllable quantum-state mapping between two modes G. Chimczak, K. Bartkiewicz, Z. Ficek, R. Tanaś, Sci. Rep. 8, 14740 (2018).[PDF]
paperExperimental measurement of nonlinear entanglement witness by hyper-entangling two-qubit states V. Trávníček, K. Bartkiewicz, A. Černoch, K. Lemr, Phys. Rev. A 98, 032307 (2018).[PDF]
paperImplementation of an efficient linear-optical quantum router K. Bartkiewicz, A. Černoch, K. Lemr, Sci. Rep. 8, 13480 (2018).[PDF]
posterMachine learning vs. quantum retrieval games in a practical quantum money scheme K. Bartkiewicz, K. Jiráková, A. Černoch, K. Lemr, QML&BQT 2018 (Bilbao)[PDF]
posterExperimental attack on quantum money scheme using machine learning K. Jiráková, K. Bartkiewicz, A. Černoch, K. Lemr, CEWQO 2018 (Palma de Mallorca)[PDF]
posterExperimental measurement of nonlinear entanglement witness for hyper-entangled states V. Trávníček, K. Bartkiewicz, A. Černoch, K. Lemr, CEWQO 2018 (Palma de Mallorca)[PDF]
posterMachine-learned quantum cloner J. Jašek, K. Bartkiewicz, T. Fürst, A. Černoch, K. Lemr, CEWQO 2018 (Palma de Mallorca)[PDF]
posterTwo methods for measuring Bell nonlocality via local unitary invariants of two-qubit systems in Hong-Ou-Mandel interferometers K. Bartkiewicz, G. Chimczak, CEWQO 2018 (Palma de Mallorca)[PDF]
posterImplementation of an efficient linear-optical quantum router A. Černoch, K. Bartkiewicz, K. Lemr, CEWQO 2018 (Palma de Mallorca)[PDF]
paperExperimental tests of coherence and entanglement conservation under unitary evolutions A. Černoch, K. Bartkiewicz, K. Lemr, J. Soubusta, Phys. Rev. A 97, 042305 (2018).[PDF]
paperTwo methods for measuring Bell nonlocality via local unitary invariants of two-qubit systems in Hong-Ou-Mandel interferometers K. Bartkiewicz, G. Chimczak, Phys. Rev. A 97, 012107 (2018).[PDF]

2017

 
talkExperimental tests of coherence and entanglement conservation A. Černoch, K. Bartkiewicz, K. Lemr, J. Soubusta, UAM seminary, 2017 (Poznan) 
talkBuilding a quantum router for discrete photons using linear optics K. Bartkiewicz, A. Černoch, K. Lemr, UAM seminary, 2017 (Poznan)[PDF]
talkExperimental characterization of photon-number noise in Rarity-Tapster-Loudon-type interferometers V. Trávníček, K. Bartkiewicz, A. Černoch, K. Lemr, UAM seminary, 2017 (Poznan)[PDF]
posterMeasuring and detecting quantum entanglement or nonlocality via Hong-Ou-Mandel interference K. Bartkiewicz, G. Chimczak, A. Černoch, K. Lemr, A. Miranowicz, CEWQO 2017 (Copenhagen)[PDF]
posterExperimental tests of coherence and entanglement conservation A. Černoch, K. Bartkiewicz, K. Lemr, J. Soubusta, CEWQO 2017 (Copenhagen)[PDF]
posterExperimental entanglement diagnostics for quantum relays using nonlinear witnesses K. Lemr, K. Bartkiewicz, A. Černoch, A. Miranowicz, CEWQO 2017 (Copenhagen)[PDF]
paperExperimental characterization of photon-number noise in Rarity-Tapster-Loudon-type interferometers V. Trávníček, K. Bartkiewicz, A. Černoch, K. Lemr, Phys. Rev. A 96, 023847 (2017).[PDF]
paperDirect method for measuring and witnessing quantum entanglement of arbitrary two-qubit states through Hong-Ou-Mandel interference K. Bartkiewicz, G. Chimczak, K. Lemr, Phys. Rev. A 95, 022331 (2017).[PDF]
paperBell nonlocality and fully-entangled fraction measured in an entanglement-swapping device without quantum state tomography  K. Bartkiewicz, K. Lemr, A. Černoch, A. Miranowicz, Phys. Rev. A 95, 030102(R) (2017).[PDF]
paperExperimental quantum forgery of quantum optical money K. Bartkiewicz, A. Černoch, G. Chimczak, K. Lemr, A. Miranowicz, F. Nori, NPJ Quant. Inf. 3, 7 (2017).[PDF]

2016

 
paperExperimental temporal quantum steering K. Bartkiewicz, A. Černoch, K. Lemr, A. Miranowicz, F. Nori, Sci. Rep. 6, 38076 (2016).[PDF]
paperExperimental measurement of collective nonlinear entanglement witness for two qubits K. Lemr, K. Bartkiewicz, A. Černoch, Phys. Rev. A 94, 052334 (2016).[PDF]
paperMeasuring evolution of a photon in an interferometer with spectrally resolved modes M. Bula, K. Bartkiewicz, A. Černoch, D. Javůrek, K. Lemr, V. Michálek, J. Soubusta, Phys. Rev. A 94, 052106 (2016).[PDF]
posterExperimental quantum forgery of quantum optical money K. Bartkiewicz, CEWQO 2016 (Crete), poster 
talkConstruction of highly versatile four-photon source A. Černoch, CEWQO 2016 (Crete), talk[PDF]
talkExperimental measurement of the collectibility of two-qubit states K. Lemr, CEWQO 2016 (Crete), talk[PDF]
paperTemporal steering and security of quantum key distribution with mutually unbiased bases against individual attacks K. Bartkiewicz, A. Černoch, K. Lemr, A. Miranowicz, F. Nori, Phys. Rev. A 93, 062345 (2016).[PDF]
paperReply to Comment on One-state vector formalism for the evolution of a quantum state through nested Mach-Zehnder interferometers K. Bartkiewicz, A. Černoch, D. Javůrek, K. Lemr, J. Soubusta, J. Svozilík, Phys. Rev. A 93, 036104 (2016). 
paperPriority Choice Experimental Two-Qubit Tomography: Measuring One by One All Elements of Density Matrices K. Bartkiewicz, K. Lemr, A. Černoch, A. Miranowicz, Sci. Rep. 6, 19610 (2016).[PDF]
Recent papers:

D. Růžičková, J. Švihel, A. Černoch, K. Lemr:

Open source workflow for multispectral imaging based on artificial neural networks

K. Jiráková, A. Černoch, K. Lemr, K. Bartkiewicz, A. Miranowicz:

Experimental hierarchy and optimal robustness of quantum correlations of two-qubit states with controllable white noise

K. Jiráková, A. Barasiński, A. Černoch, K. Lemr, J. Soubusta:

Measuring concurance in qubit Werner states without an aligned reference frame

J. Peřina Jr., A. Černoch, J. Soubusta:

Compound twin beams without the need of genuine photon-number-resolving detection

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