CQT - Valerio Scarani

Valerio Scarani

Deputy Director & Principal Investigator

Centre for Quantum Technologies
Professor
Department of Physics, Faculty of Science, National University of Singapore

S15-03-14B

physv@nus.edu.sg

+65 6516 2813

General Admin

Preprints

V. Scarani, P.Sidajaya. Beating one bit of Communication with Quantum Correlations in Smaller Dimension.
V. Scarani, Mirjam Weilenmann, Zaw Lin Htoo. A theory-independent bound saturated by quantum mechanics.
V. Scarani, Francesco Buscemi, Joseph Schindler, Dominik Šafránek, Bai Ge. Observational entropy with general quantum priors.
Antonio Acin, V. Scarani, Mate Farkas, Victoria J. Wright, Gabriel Senno, Fionnuala Curran, S. Meng. Maximal intrinsic randomness of a quantum state.
Yu Baichu, V. Scarani. Information causality beyond the random access code model.
V. Scarani, Shuaijie Li, L.Zakarya. The role of photon-number pulses in the operation of a simple light diode.
D.Michele, A. Ho, Francesco Buscemi, V. Scarani. Data-driven inference and observational completeness of quantum devices.
Yang Liu, J.M. Arrazola, Wei-Zhao Liu, Weijun Zhang, Ignatius William Primaatmaja, Hao Li, Lixing You, Zhen Wang, V. Scarani, Qiang Zhang, Jian-Wei Pan. Experimental unconditionally secure covert communication in dense wavelength-division multiplexing networks.
A. Ling, Christoph Wildfeuer, V. Scarani. A note on quantum safe symmetric key growing.

Publications

Khoi-Nguyen Huynh-Vu, Zaw Lin Htoo, V. Scarani. (2024). Certification of genuine multipartite entanglement in spin ensembles with measurements of total angular momentum. Phys. Rev. A 109 042402
C.X. Aw, Zaw Lin Htoo, Maria Balanzó-Juandó, V. Scarani. (2024). Role of Dilations in Reversing Physical Processes: Tabletop Reversibility and Generalized Thermal Operations. PRX Quantum 5 010332
Andres F. Ducuara, Paul Skrzypczyk, Francesco Buscemi, P.Sidajaya, V. Scarani. (2023). Maxwell\'s Demon walks into Wall Street: Stochastic Thermodynamics meets Expected Utility Theory. Phys. Rev. Lett. 131 197103
V. Scarani, Baichu Yu, Aloysius Dewen Lim, P.Sidajaya. (2023). Neural Network Approach to the Simulation of Entangled States with One Bit of Communication. Quantum 7 1150
C.X. Aw, K. Onggadinata, D. Kaszlikowski, V. Scarani. (2023). Quantum Bayesian Inference in Quasiprobability Representations. PRX Quantum 4 020352
Zaw Lin Htoo, V. Scarani. (2023). Dynamics-based quantumness certification of continuous variables using time-independent Hamiltonians with one degree of freedom. Phys. Rev. A 108 022211
P.Jayachandran, Zaw Lin Htoo, V. Scarani. (2023). Dynamics-Based Entanglement Witnesses for Non-Gaussian States of Harmonic Oscillators. Phys. Rev. Lett. 130 160201
Wei Zhang, Tim van Leent, Kai Redeker, Robert Garthoff, Rene Schwonnek, Florian Fertig, Sebastian Eppelt, Wenjamin Rosenfeld, V. Scarani, C.C.W. Lim, Harald Weinfurter. (2022). A device-independent quantum key distribution system for distant users. Nature 607 687–691
Wan Cong, P.Sidajaya, V. Scarani. (2022). Possibility of detecting the gravity of an object frozen in a spatial superposition by the Zeno effect. Phys. Rev. A 106 042217
Zaw Lin Htoo, C.X. Aw, L.Zakarya, V. Scarani. (2022). Detecting quantumness in uniform precessions. Phys. Rev. A 106 032222
Zaw Lin Htoo, L.Zakarya, C.H. Nguyen, K. W. Tseng, D. Matsukevich, D. Kaszlikowski, V. Scarani. (2022). Sculpting bosonic states with arithmetic subtractions. New J. Phys. 24 083023
Yu Baichu, P.Jayachandran, Adam Burchardt, Yu Cai, Nicolas Brunner, V. Scarani. (2021). Absolutely entangled sets of pure states for bipartitions and multipartitions. Phys. Rev. A 104 032414
C.X. Aw, Francesco Buscemi, V. Scarani. (2021). Fluctuation Theorems with Retrodiction rather than Reverse Processes. AVS Quantum Science 3 045601
R. Schwonnek , K.T. Goh, I.W. Primaatmaja, Ernest Y.-Z. Tan, Ramona Wolf, V. Scarani, C.C.W. Lim. (2021). Device-independent quantum key distribution with random key basis . Nature Communications 12
I.W. Primaatmaja, A. Ho, V. Scarani. (2021). Optimal single-shot discrimination of optical modes. Phys. Rev. A 103 052410
V. Scarani, Francesco Buscemi. (2021). Fluctuation theorems from Bayesian retrodiction. Phys. Rev. E 103 052111
Yu Cai, Yu Baichu, P.Jayachandran, Nicolas Brunner, V. Scarani, Jean-Daniel Bancal. (2021). Entanglement for any definition of two subsystems. Phys. Rev. A 103 052432
A. Shu, S. Seah, V. Scarani. (2020). Surpassing the Thermal Cramer-Rao Bound with Collisional Thermometry. Phys. Rev. A 102 042417
V. Scarani, S. Nimmrichter, S. Seah. (2020). Maxwell\'s lesser demon: a quantum engine driven by pointer measurements. Phys. Rev. Lett. 124 100603
D.Michele, Francesco Buscemi, V. Scarani. (2020). Extension of the Alberti-Uhlmann criterion beyond qubit dichotomies. Quantum 4 233
T.P. Le, D.Michele, V. Scarani. (2020). Worst-case Quantum Hypothesis Testing with Separable Measurements. Quantum 4 320
Clive Aw, D.Michele, V. Scarani. (2020). Knowledge by Direct Measurement versus Inference from Steering. Quantum Studies: Mathematics and Foundations 7 247
S. Seah, Gabriel T. Landi, V. Scarani, Jader P. Santos, Stefan Nimmrichter, Daniel Grimmer. (2019). Collisional quantum thermometry. Phys. Rev. Lett. 123 180602
A. Shu, Yu Cai, S. Seah, Stefan Nimmrichter, V. Scarani. (2019). Almost thermal operations: inhomogeneous reservoirs. Phys. Rev. A 100 042107
K.T. Goh, C. Perumangatt, Zhi Xian Lee, A. Ling, V. Scarani. (2019). Experimental comparison of tomography and self-testing in certifying entanglement. Phys. Rev. A 100 022305
Z. Liu, Joshua Leong, S. Nimmrichter, V. Scarani. (2019). Quantum gears from planar rotors. Phys. Rev. E 042202
S. Seah, S. Nimmrichter, V. Scarani. (2019). Nonequilibrium Dynamics with Finite-Time Repeated Interactions. Phys. Rev. E 042103
G. Maslennikov, S. Ding, R. Hablutzel, J Gan, A.Roulet, S. Nimmrichter, J. Dai, V. Scarani, D. Matsukevich. (2019). Quantum absorption refrigerator with trapped ions. Nature Communications 10 202
Xinhui Li, Y. Cai, Y. G. Han, Qiaoyan Wen, V. Scarani. (2018). Self-testing using only marginal information. Phys. Rev. A 98 052331
Shen Lijiong, J. Lee, T.P. Le, J.D. Bancal, A. Cere, A. Lamas-Linares, Adriana Lita, Thomas Gerrits, Sae Woo Nam, V. Scarani, C. Kurtsiefer. (2018). Randomness extraction from Bell violation with continuous parametric down conversion. Phys. Rev. Lett. 121 150402
S. Seah, S. Nimmrichter, V. Scarani. (2018). Refrigeration beyond weak internal coupling. Phys. Rev. E 98 012131
S. Seah, S. Nimmrichter, V. Scarani. (2018). Work production of quantum rotor engines. New J. Phys. 20 043045
K.T. Goh, J. Kaniewski, Elie Wolfe, Tamas Vertesi, X. Wu, Y. Cai, Yeong-Cherng Liang, V. Scarani. (2018). Geometry of the quantum set of correlations. Phys. Rev. A 97 022104
Yuqian Zhou, Y. Cai, J.D. Bancal, Fei Gao, V. Scarani. (2017). Many-box locality. Phys. Rev. A 96 052108
S. Nimmrichter, J. Dai, A.Roulet, V. Scarani. (2017). Quantum and classical dynamics of a three-mode absorption refrigerator. Quantum 1 37
Wan Cong, Y. Cai, Jean-Daniel Bancal, V. Scarani. (2017). Irreducible dimension witness. Phys. Rev. Lett. 119 080401
H.S. Poh, A. Cere, J.D. Bancal, Y. Cai, Nicolas Sangouard, V. Scarani, C. Kurtsiefer. (2017). Experimental many-pairs nonlocality. Phys. Rev. A 96 022101
A.Roulet, S. Nimmrichter, J.M. Arrazola, S. Seah, V. Scarani. (2017). Autonomous rotor heat engine. Phys. Rev. E 95 062131
Andrea Coladangelo, K.T. Goh, V. Scarani. (2017). All Pure Bipartite Entangled States can be Self-Tested. Nature Communications 8 15485
A. Shu, J. Dai, V. Scarani. (2017). The power of an optical Maxwell demon. Phys. Rev. A 95 022123
J.M. Arrazola, V. Scarani. (2016). Covert quantum communication. Phys. Rev. Lett. 117 250503
A.Roulet, V. Scarani. (2016). Solving the scattering of N photons on a two-level atom without computation. New J. Phys. 18 093035
Ernest Y.-Z. Tan, Y. Cai, V. Scarani. (2016). Measurement-dependent locality beyond independent and identically distributed runs. Phys. Rev. A 94 032117
Yi-Zheng Zhen, K.T. Goh, Yu-Lin Zheng, Wenfei Cao, X. Wu, Kai Chen, V. Scarani. (2016). Non-local games and optimal steering at the boundary of the quantum set. Phys. Rev. A 94 022116
Y. Cai, J.D. Bancal, Jacquiline Romero, V. Scarani. (2016). A new device-independent dimension witness and its experimental implementation. J. Phys. A: Math. Theor. 49 305301
X. Wu, J.D. Bancal, Matthew McKague, V. Scarani. (2016). Device-independent parallel self-testing of two singlets. Phys. Rev. A 93 062121
K.T. Goh, J.D. Bancal, V. Scarani. (2016). Measurement-device-independent quantification of entanglement for given Hilbert space dimension. New J. Phys. 18 045022
Roman Schmied, J.D. Bancal, Baptiste Allard, Matteo Fadel, V. Scarani, Philipp Treutlein, Nicolas Sangouard. (2016). Bell Correlations in a Bose-Einstein Condensate. Science 352 441
A.Roulet, Le Huy Nguyen, V. Scarani. (2016). Two photons on an atomic beam splitter: Nonlinear scattering and induced correlations. Phys. Rev. A 93 033838
T.P. Le, Gonzalo de la Torre, J.D. Bancal, Stefano Pironio, V. Scarani. (2016). Randomness in post-selected data. New J. Phys. 18 035007
W.Yukun, X. Wu, V. Scarani. (2016). All the self-testings of the singlet for two binary measurements. New J. Phys. 18 025021
Pierre-Olivier Guimond, A.Roulet, Le Huy Nguyen, V. Scarani. (2016). Rabi oscillation in a quantum cavity: Markovian and non-Markovian dynamics. Phys. Rev. A 93 023808
J. Dai, A.Roulet, Le Huy Nguyen, V. Scarani. (2015). Rectification of light in the quantum regime. Phys. Rev. A 92 063848
Y. Cai, Le Huy Nguyen, V. Scarani. (2015). State complexity and quantum computation. Ann. Phys. 527 684
J.D. Bancal, Miguel Navascues, V. Scarani, Tamas Vertesi, T.H. Yang. (2015). Physical characterization of quantum devices from nonlocal correlations. Phys. Rev. A 91 022115
J.D. Bancal, V. Scarani. (2014). More randomness from noisy sources. Proceedings of TQC 27 1
V. Scarani, C. Kurtsiefer. (2014). The black paper of quantum cryptography: Real implementation problems. Theoretical Computer Science 560 27-32
A.Roulet, Z.W. Teo, Le Huy Nguyen, V. Scarani. (2014). Proposal for Monitoring and Heralding Position States of Atoms in a One-Dimensional Waveguide. Phys. Rev. A 90 053821
X. Wu, Y. Cai, T.H. Yang, Le Huy Nguyen, J.D. Bancal, V. Scarani. (2014). Robust self testing of the 3-qubit W state. Phys. Rev. A 90 042339
Y. Z. Law, T.P. Le, J.D. Bancal, V. Scarani. (2014). Quantum randomness extraction for various levels of characterization of the devices. J. Phys. A: Math. Theor. 47 424028
T.H. Yang, Tamas Vertesi, J.D. Bancal, V. Scarani, Miguel Navascues. (2014). Robust and versatile black-box certification of quantum devices. Phys. Rev. Lett. 113 040401
Le Huy Nguyen, Y. Cai, X. Wu, Rafael Rabelo, V. Scarani. (2014). Maximal tree size of few-qubit states. Phys. Rev. A 89 062333
V. Scarani, J.D. Bancal, Antoine Suarez, Nicolas Gisin. (2014). Strong constraints on models that explain the violation of Bell inequalities with hidden superluminal influences. Found. Phys. 44 523
Nicolas Brunner, D. Cavalcanti, Stefano Pironio, V. Scarani, S. Wehner. (2014). Bell nonlocality. Rev. Mod. Phys. 86 419
J.D. Bancal, L. Sheridan, V. Scarani. (2014). More Randomness from the Same Data. New J. Phys. 16 033011
Melvyn Ho, J.D. Bancal, V. Scarani. (2014). Device-independent certification of the teleportation of a qubit. Phys. Rev. A 88 052318
Z.W. Teo, J. Minar, D. Cavalcanti, V. Scarani. (2013). Improved analysis of a proposal for a realistic loophole-free Bell test with atom-light entanglement. Phys. Rev. A 88 053848
Nicolas Gisin, Sandu Popescu, V. Scarani, Stefan Wolf, J�rg Wullschleger. (2013). Oblivious transfer and quantum channels as communication resources. Natural Computing 12 13-17
S.A. Aljunid, S.A. Aljunid, G. Maslennikov, Y. Wang, H.L. Dao, V. Scarani, C. Kurtsiefer. (2013). Excitation of a single atom with exponentially rising light pulses. Phys. Rev. Lett. 111 103001
Le Huy Nguyen, Y. Cai, X. Wu, V. Scarani. (2013). Tree-size complexity of multiqubit states. Phys. Rev. A 88 012321
Z.W. Teo, Mateus Araujo, Marco Tulio Quintino, J. Minar, D. Cavalcanti, V. Scarani, Marcelo Terra Cunha, Marcelo Franca Santos. (2013). Realistic loophole-free Bell test with atom-photon entanglement. Nature Communications 4 2104
T.P. Le, L. Sheridan, V. Scarani. (2013). Bell tests with min-entropy sources. Phys. Rev. A 87 062121
A. Martin, F. Kaiser, A. Vernier, A. Beveratos, V. Scarani, S. Tanzilli. (2013). Cross time-bin photonic entanglement for quantum key distribution. Phys. Rev. A (R) 87 020301
V. Scarani. (2012). The device-independent outlook on quantum physics (lecture notes on Bell inequalities). Acta Physica Slovaca 62 347
M.E. McKague, T.H. Yang, V. Scarani. (2012). Robust Self Testing of the Singlet. J. Phys. A: Math. Gen. 45 455304
J.D. Bancal, Stefano Pironio, Antonio Acin, Yeong-Cherng Liang, V. Scarani, Nicolas Gisin. (2012). Quantum nonlocality based on finite-speed causal influences leads to superluminal signaling. Nature Physics 8 867
R. Rabelo, Y. Z. Law, V. Scarani. (2012). Device-independent bounds for Hardy. Phys. Rev. Lett. 109 180401
D. Koh, Michael J. W. Hall, Setiawan, James E. Pope, Chiara Marletto, A. Kay, V. Scarani, . (2012). The effects of reduced ""free will"" on Bell-based randomness expansion. Phys. Rev. Lett. 109 160404
Y. Wang, J. Minar, V. Scarani. (2012). State-dependent atomic excitation by multi-photon pulses propagating along two spatial modes. Phys. Rev. A 86 023811
T.P. Le, L. Sheridan, V. Scarani. (2012). Tomographic Quantum Cryptography Protocols are Reference Frame Independent. Int. J. Quant. Info. 10 1250035
G. Romero, D. Ballester, Y. Wang, V. Scarani, E. Solano. (2012). Ultrafast Quantum Gates in Circuit QED. Phys. Rev. Lett. 108 120501
Y. Wang, D. Ballester, G. Romero, V. Scarani, E. Solano. (2012). Validity of resonant two-qubit gates in the ultrastrong coupling regime of circuit QED. Physica Scripta T147 014031
T.H. Yang, D. Cavalcanti, M. Almeida, Z.W. Teo, V. Scarani. (2012). Information Causality and Extremal Tripartite Correlations. New J. Phys. 14 013061
D. Cavalcanti, R. Rabelo, V. Scarani. (2012). Nonlocality tests enhanced by a third observer. Phys. Rev. Lett. 108 040402
Y. Wang, J. Minar, Gabriel Hetet, V. Scarani. (2012). Quantum memory with a single two-level atom in a half cavity. Phys. Rev. A 85 013823
Cyril Branciard, Eric G. Cavalcanti, Stephen P. Walborn, V. Scarani, Howard M. Wiseman. (2012). One-sided Device-Independent Quantum Key Distribution: Security, feasability and the connection with steering. Phys. Rev. A (R) 85 010301
Luca Chirolli, Vittorio Giovannetti, R. Fazio, V. Scarani. (2011). Time-bin entanglement of quasi-particles in semiconductor devices. Phys. Rev. B 84 195307
I. Gerhardt, Qin Liu, A. Lamas-Linares, Johannes Skaar, V. Scarani, Vadim Makarov, C. Kurtsiefer. (2011). Experimentally faking the violation of Bell. Phys. Rev. Lett. 107 170404
R. Rabelo, Melvyn Ho, D. Cavalcanti, Nicolas Brunner, V. Scarani. (2011). Device-independent certification of entangled measurements. Phys. Rev. Lett. 107 050502
D. Cavalcanti, Nicolas Brunner, Paul Skrzypczyk, Alejo Salles, V. Scarani. (2011). Large violation of Bell inequalities using both particle and wave measurements. Phys. Rev. A 84 022105
Z.W. Teo, V. Scarani. (2011). Lenses as an Atom-Photon Interface: A Semiclassical Model. Optics Comm. 284 4485
Y. Wang, J. Minar, L. Sheridan, V. Scarani. (2011). Efficient excitation of a two level atom by a single photon in a propagating mode. Phys. Rev. A 83 063842
D. Cavalcanti, V. Scarani. (2011). Comment on ""Loophole-free Bell test for continuous variables via wave and particle correlations (Phys. Rev. Lett. 105, 170404 (2010))"". Phys. Rev. Lett. 106 208901
Stefano Pironio, Jean-Daniel Bancal, V. Scarani. (2011). Extremal correlations of the tripartite no-signaling polytope. J. Phys. A: Math. Theor. 44 065303
T.H. Yang, Miguel Navascues, L. Sheridan, V. Scarani. (2011). Quantum Bell Inequalities from Macroscopic Locality. Phys. Rev. A 83 022105
D. Cavalcanti, M. Almeida, V. Scarani, Antonio Ac�n. (2011). Quantum networks reveal quantum nonlocality. Nature Communications 184 2
M. Fitzi, E. Hänggi, V. Scarani, S. Wolf. (2010). The non-locality of n noisy Popescu-Rohrlich boxes. J. Phys. A: Math. Theor. 43 465305
L. Sheridan, T.P. Le, V. Scarani. (2010). Finite-key security against coherent attacks in quantum key distribution. New J. Phys. 12 123019
D. Cavalcanti, A. Salles, V. Scarani. (2010). Macroscopically local correlations can violate information causality. Nature Communications 1 136
C. Branciard, N. Gisin, V. Scarani. (2010). Local content of bipartite qubit correlations. Phys. Rev. A 81 022103
M. Almeida, D. Cavalcanti, V. Scarani, A. Ac�n. (2010). Multipartite fully nonlocal quantum states. Phys. Rev. A 81 052111
A. Laing, V. Scarani, J.G. Rarity, J.L. O'Brien. (2010). Reference frame independent quantum key distribution. Phys. Rev. A 82 012304
C. Branciard, H. Zhu, L. Chen, V. Scarani. (2010). Evaluation of two different entanglement measures on a bound entangled state. Phys. Rev. A 82 012327
L. Sheridan, V. Scarani. (2010). Security proof for quantum key distribution using qudit systems. Phys. Rev. A (R) 82 030301
S. Pironio, A. Acin, N. Brunner, N. Gisin, S. Massar, V. Scarani. (2009). Device-independent quantum key distribution secure against collective attacks. New J. Phys. 11 045021
M.K. Tey, G. Maslennikov, T.C.H. Liew, S.A. Aljunid, S.A. Aljunid, F. Huber, B. Chng, Z. Chen, V. Scarani, C. Kurtsiefer. (2009). Interfacing light and single atoms with a lens. New J. Phys. 11 043011
R.Y.Q. Cai, V. Scarani. (2009). Finite-key analysis for practical implementations of quantum key distribution. New J. Phys. 11 045024
V. Scarani, H. Bechmann-Pasquinucci, N.J. Cerf, M. Dusek, N. Lutkenhaus, M. Peev. (2009). The security of practical quantum key distribution. Rev. Mod. Phys. 81 1301-1350
S.A. Aljunid, S.A. Aljunid, M.K. Tey, B. Chng, T.C.H. Liew, G. Maslennikov, V. Scarani, C. Kurtsiefer. (2009). Phase shift of a weak coherent beam induced by a single atom. Phys. Rev. Lett. 103 153601
J. Allcock, N. Brunner, M. Pawlowski, V. Scarani. (2009). Recovering part of the quantum boundary from information causality. Phys. Rev. A (R) 80 040103
M. Pawlowski, T. Paterek, D. Kaszlikowski, V. Scarani, A. Winter, M. Zukowski. (2009). Information causality as a physical principle. Nature 461 1101-1104
C.E. Bardyn, , M.E. McKague, S. Massar, V. Scarani. (2009). Device independent state estimation based on Bell. Phys. Rev. A 80 062327
Matthias Fitzi, E. Hänggi, V. Scarani, Stefan Wolf. (2008). How non-local are n noisy Popescu-Rohrlich machines?. QCMC
V. Scarani, R. Renner. (2008). Security Bounds for Quantum Cryptography with Finite Resources. Proceedings of TQC 5106 83-95
C. Branciard, N. Brunner, N. Gisin, C. Kurtsiefer, A. Lamas-Linares, A. Ling, V. Scarani. (2008). Testing quantum correlations versus single-particle properties within Leggett\'s model and beyond. Nature Physics 4 681-685
V. Scarani, R. Renner. (2008). Quantum cryptography with finite resources: Unconditional security bound for discrete-variable protocols with one-way post-processing. Phys. Rev. Lett. 100 200501
N. Brunner, N. Gisin, S. Popescu, V. Scarani. (2008). Simulation of partial entanglement with nonsignaling resources. Phys. Rev. A 78 052111
A. Ling, M.P. Peloso, I. Marcikic, V. Scarani, A. Lamas-Linares, C. Kurtsiefer. (2008). Experimental quantum key distribution based on a Bell test. Phys. Rev. A 78 020301
N. Brunner, S. Pironio, A. Acin, N. Gisin, A.A. Methot, V. Scarani. (2008). Testing the dimension of Hilbert spaces. Phys. Rev. Lett. 100 210503
V. Scarani. (2008). Local and nonlocal content of bipartite qubit and qutrit correlations. Phys. Rev. A 77 042112
C. Branciard, N. Gisin, V. Scarani. (2008). Upper Bounds for the Security of two Distributed-Phase Reference Protocols of Quantum Cryptography. New J. Phys. 10 013031
C. Branciard, A. Ling, N. Gisin, C. Kurtsiefer, A. Lamas-Linares, V. Scarani. (2007). Experimental Falsification of Leggett\'s Non-Local Variable Model. Phys. Rev. Lett. 99 210407
J. Fitzsimons, Eleanor G. Rieffel, V. Scarani. The Quantum Frontier. in: J. Zander, P.J. Mosterman, Computation for humanity (CRC Press, Boca Raton, 2014)

Preprints

Publications

Quick Links

Follow Us

Hosted by

Partner Institutions