QLunch  Weekly group meeting
QLunch meetings are typically held on Friday at 12:30 on Zoom, at the URL https://unipd.zoom.us/j/96457324862. Changes will be announced by emails
For proposing a talk for the QLunch weekly meeting, please send an email to qfuture[dot]unipd[at]gmail[dot]com, including: proposed date, talk title and some references on the topic.
Upcoming
Date  Speaker  Topic 
TBA  TBA  TBA 
Past QLunches
Date  Speaker  Topic 
Nov 27, 2020  M. Avesani  DeviceIndependent Randomness expansion: methods and demonstrations 
Nov 20, 2020  F. Berra  Beam Size Optimization and Adaptation for HighAltitude Airborne FreeSpace Optical Communication System 
Nov 13, 2020  A. Stanco  PulsedLaser Technique for SingleEvent Effects Testing 
Nov 6, 2020  H. Tebyanian  Multimode fiber coupled SNSPDs 
Oct 23, 2020  G. Vallone and P. Villoresi  Presentation of group activities 
Oct 9, 2020  M. Zahidy  Optimizing Hardware for CVQKD 
Oct 2, 2020  M. Padovan  Sequential Weak Measurements for Randomness Extraction 
Feb 14, 2020  F. Santagiustina  Robustness to noise of highdimensional entangled states, Phys. Rev. X 9, 041042 (2019) 
Jan 31, 2020  N. Laurenti  Covert QKD, [arXiv:1904.12363] 
Jan 24, 2020  M. Zahidy  Quantum Key Distribution with no Shared Reference Frame, [arXiv:1903.08279] 
Jan 17, 2020  G. Vallone  Quantum convolutional neural networks, Nature Physics 15, 1273 (2019) 
Jan 10, 2020  C. Agnesi  LEDbased fiber quantum key distribution: toward lowcost applications, Photonics Research 7, 1169 (2019) 
Nov 29, 2019  F. Vedovato  Weak Gravitational Field Effects on Optical Bell Tests, [arXiv:1908.08179] 
Nov 08, 2019  L. Calderaro  Synchronization in QKD and Qubit4Sync, [arXiv:1909.12050] 
Oct 31, 2019  L. Krinner  Spontaneous emission of matter waves from a tunable open quantum system, Nature volume 559, pages 589–592 (2018) 
Oct 25, 2019  F. Picciariello  Asking photons where they have been, Phys. Rev. Lett. 111, 240402 (2013) 
Oct 11, 2019  G. Foletto  PDiluted Quantum Walks, Phys. Rev. Lett. 123, 140501 (2019) 
Sep 13, 2019  A. Scriminich  Quantum Interference between Light Sources Separated by 150 Million Kilometers, Phys. Rev. Lett. 123, 080401 (2019) 
June 28, 2019  C. Agnesi and M. Avesani  Report from the Silicon Photonics Design Course at the University of Ghent 
June 21, 2019  A. Stanco and D. Dequal  Review on Space Hardware and Software Technology 
June 7, 2019  H. Tebyanian  QRNG based on Energy Assumption, [arXiv:1905.09117] 
May 24, 2019  C. Agnesi  Review on Timebin for QKD application, Optics Letters Vol. 30, Issue 19, pp. 26322634 (2005), Optics Letters Vol. 43, Issue 9, pp. 20302033 (2018), Phys. Rev. Applied 7, 044010 (2017), Science Advances Vol. 3, no. 11, e1701491 (2017) 
May 17, 2019  G. Foletto  Sustained entanglement experiment in Quantum Lab, Phys. Rev. A 94, 052127 (2016), Phys. Rev. A 97, 032131 (2018) 
May 10, 2019  M. Zahidy  Twinfield quantum key distribution with discrete phase randomization, [arXiv:1904.07074] 
March 22, 2019  N. Laurenti  Quantum Distance Bounding 
February 22, 2019  F. Ardizzon and S. Ceccato  Optimization of the Secret Key Rate for InSaNeQKD 
February 15, 2019  R. Corvaja  Observation of Quantum Fingerprinting Beating the Classical Limit, Phys. Rev. Lett. 116, 240502 (2016) 
February 8, 2019  G. Vallone 

January 25, 2019  A. Santamato  Quantum key distribution with dissipative Kerr soliton generated by onchip microresonators, [arXiv:1812.11415] 
January 18, 2019  F. Vedovato  Proposal for an Optical Test of the Einstein Equivalence Principle , [arXiv:1811.04835] 
January 11, 2019  M. Avesani  Seeded and unseeded high order parametric down conversion, [arXiv:1811.07200] 
December 14, 2018  L. Calderaro  Direct Measurement of the Twodimensional Spatial Quantum Wavefunction via Strong Measurements, [arXiv:1811.01560] 
December 7, 2018  M. Schiavon  Highdimensional quantum key distribution with twisted photons, [arXiv:1810.02067] 
November 30, 2018  A. Scriminich  Quantum Memories: platforms, protocols and applications, based on Quantum memories: emerging applications and recent advances, J. Mod. Opt., vol. 63, no. 20, pp. 2005–2028, Nov. 2016 
November 23, 2018  L. Mazzarella  A report on the activities of the Quantum Research CubeSat (QUARC) project 
November 9, 2018  G. Foletto  Practical and Reliable Error Bars in Quantum Tomography, Phys. Rev. Lett. 117, 010404 (2016) 
October 26, 2018  C. Agnesi  HongOuMandel interference between independent IIIV on silicon waveguide integrated lasers, Opt. Lett. 44, 271274 (2019) 
October 5, 2018  A. Santamato  Timebintopolarization conversion of ultrafast photonic qubits, Phys. Rev. A 96, 053812 (2017) 
September 14, 2018  N. Dalla Pozza  Phase measurement of a qubit encoded in the polarization of a single photon via Naimark extension 
September 7, 2018  L. Fornasier  Securing quantum key distribution systems using fewer states, [arXiv:1801.03202] 
June 22, 2018  H. Tebyanian  Optical Random Number Generator, based on

June 8, 2018  N. Laurenti  Towards Quantum Distance Bounding Protocols, International Workshop on Radio Frequency Identification: Security and Privacy Issues, RFIDSec, 2016, vol. 10155 LNCS, pp. 151–16 
June 1, 2018  M. Schiavon  Channelparameter estimation for satellitetosubmarine continuousvariable quantum key distribution, Phys. Rev. A 97, 052326 (2018) 
May 25, 2018  M. Zahidy  Stabilized entanglement of massive mechanical oscillators, Nature 556, pp. 478–482 (2018) 
May 18, 2018  N. Greggio  Unsupervised clustering with Gaussian mixtures 
May 4, 2018  G. Caparra and S. Ceccato 

April 13, 2018  D. Dequal  Overview of new ASI proposals 
April 6, 2018  A. Stanco  A QKD protocol with a twoway quantum channel, IEEE 5th International Conference on Advanced Networks and Telecommunication Systems (ANTS), pp. 16 (2011) 
March 23, 2018  F. Vedovato  Loop Quantum Gravity in a nutshell 
March 16, 2018  D. Dequal  New results at MLRO 
March 9, 2018  M. Avesani  Entropy accumination, based on

March 2, 2018  A. Santamato  Relativistic quantum cryptography, Laser Phys. Lett. 11 065203 (2014) 
February 16, 2018  C. Agnesi  Overview of ITASEC2018 Conference. 
February 2, 2018  C. Liorni  All optical non markovian quantum simulator 
January 26, 2018  D. Terno  Interdisciplinary dialogue. 
January 1, 2018  M. Schiavon  Decoherence, the measurement problem, and interpretations of quantum mechanics, Rev. Mod. Phys. 76, 1267 (2005) 
December 15, 2017  F. Zilio  The relationship between information and consciousness. Tononi's Integrated Information Theory from a philosophical perspective. Based on:

December 1, 2017  L. Calderaro and C. Agnesi  Results of the last data acquisition runs at MLRO 
November 24, 2017  P. Villoresi  QKD and Galileo 
November 17, 2017  H. Tebyanian  Casimir energy density and brief explanation of QCALL activities 
November 10, 2017  F. Suman and A. Menegazin  The meaning of information from the biological and philosophical point of view 
November 3, 2017  M. Zahidy  Quantum Uncertainty Principle 
October 27, 2017  F. Vedovato and C. Agnesi  Extending Wheeler's delayedchoice experiment to space, Sci. Adv. 2017; 3:e1701180 
October 20, 2017  N. Laurenti  Continuousvariable mesaurementdeviceindependent QKD per una futura Quantum Internet, based on

October 13, 2017  R. Corvaja  Simultaneous classical communication and quantum key distribution using continuous variables, Phys. Rev. A 94, 042340 (2016) 
October 6, 2017  M. Avesani  Quantum precertification, based on

September 29, 2017  G. Vallone  Presentation of the ERC proposal 
September 8, 2017  A. Stanco  High reliability hardware system for Quantum Information and Communication applications 
July 7, 2017  F. Campaioli  Enhancing the Charging Power of Quantum Batteries, Phys. Rev. Lett. 118, 150601 (2017) 
June 30, 2017  A. Scriminich  Wavefront sensing reveals optical coherence, Nat. Commun. 5, 3275 (2014). 
June 23, 2017  G. Vallone  Singlephoton detection with human eye! Based on:

June 16, 2017  M. Schiavon  Quantum Theory of Superresolution for Two Incoherent Optical Point Sources, Phys. Rev. X 6, 031033 (2016) 
June 9, 2017  A. Santamato  Sifting attacks in finitesize quantum key distribution, New J. Phys. 18, 053001 (2016) 
May 26, 2017  G. Foletto  Direct Reconstruction of the Quantum Density Operator via Strong Measurements, based on

May 19, 2017  F. Vedovato  Is wave–particle objectivity compatible with determinism and locality?, Nature Communications 5, 3997 (2014) 
May 5, 2017  L. Calderaro  Quantum Cryptography with Weak Measurements, [arXiv:1702.04836] 
Mar 24, 2017  M. Avesani  Numerical approach for unstructured quantum key distribution, based on P.J Coles et al., Nature Communications 7, 11712 (2016) 
Mar 10, 2017  C. Agnesi  Ground test of satellite constellation based quantum communication, based on [arXiv:1611.09982] 
Feb 17, 2017  F. Vedovato  Quantum Data Locking and Quantum Enigma Machines, based on 
Feb 3, 2017  M. Schiavon  Synchronization of Distant Optical Clocks at the Femtosecond Level, Phys. Rev. X 6, 021016 (2016) 
Jan 27, 2017  G. Vallone and D. Marangon and P. Villoresi  Sourcedeviceindependent Ultrafast Quantum Random Number Generation, [arXiv:1509.07390] 
Jan 20, 2017  P. Villoresi  A Cosmic Bell Test with Measurement Settings from Astronomical Sources, [arXiv:1611.06985] 
Dec 2, 2016  M. Pittaluga  Violation of a tripartite Bell inequality by weak measurements, [arXiv:1611.02430] 
Oct 28, 2016  N. Laurenti  Quantum Retrieval Games and Quantum Tokens, from Phys. Rev. A 93, 062311 (2016) and PNAS 109, 16079 (2012) 
Oct 14, 2016  G. Vallone  CVMDI Quantum Key Distribution via Satellite, [arXiv:1605.05445] 
Oct 21, 2016  S. Ceccato  Key Management for GNSS services 
Oct 7, 2016  M. Tomasin  Experiments with hyperentangled states 
Sept 30, 2016  S. Sturaro  Authentication and integrity protection of EGNOS and the possible use of postquantum digital signatures. EGNOS is the European satellite based augmentation system for positioning. 
Sept 2, 2016  G. Caparra  A Novel Navigation Message Authentication Scheme for GNSS Open Service 
July 29, 2016  L. Calderaro  W. Stacey, R. Annabestani, X. Ma, and N. Lütkenhaus, Security of quantum key distribution using a simplified trusted relay, Phys. Rev. A 91, 012338 (2015). 
July 22, 2016  M. Tomasin  N. Zhao, X. Li, G. Li, J. M. Kahn, Capacity limits of spatially multiplexed freespace communication, Nature Photonics 9, 822 (2015). 
July 15, 2016  F. Vedovato  Selected talks from the recent Relativistic Quantum Information North (RQIN) Conference 
July 8, 2016  D. Marangon  QKD without monitoring signal disturbance. Based on:

July 1, 2016  D. Dequal  Quantum zeno effect on ultracold atoms. Based on: Y. S. Patil, S. Chakram, and M. Vengalattore, MeasurementInduced Localization of an Ultracold Lattice Gas, Phys. Rev. Lett. 115, 140402 (2015). 
June 24, 2016  G. Cariolaro  A new approach to Bloch Messiah reduction. Based on: Gianfranco Cariolaro and Gianfranco Pierobon, Reexamination of BlochMessiah reduction, Phys. Rev. A 93, 062115 (2016). 
June 17, 2016  M. Schiavon  Discusson on passive Decoy state QKD. Based on:

June 10, 2016  A. Stanco  Discusson on modified BB84 protocols. Based on:

May 20, 2016  N. Laurenti and M. Schiavon  Discusson on the composable security of QKD

May 13, 2016  F. Ticozzi  Fast mixing with quantum walks vs. classical lifts 
Apr 29, 2016  R. Corvaja  Bing Qi, et al., Generating the Local Oscillator "Locally" in ContinuousVariable Quantum Key Distribution Based on Coherent Detection, Phys. Rev. X 5, 041009 (2015) 
Apr 22, 2016  G. Vallone  Selected talks from the recent "Quantum Technologies", SPIE conference 
Apr 8, 2016  D. Dequal  Overview of recent results in quantum information based on CubeSat spacecraft. Based on

Apr 1, 2016    "Quantum Cryptography: where do we stand?", Contributed Talk 12 at 5th International Conference on Quantum Cryptography (QCrypt 2015), Tokyo. 
Mar 25, 2016    "Integrated Photonic Technologies for Quantum Communications", Contributed Talk 12 at 5th International Conference on Quantum Cryptography (QCrypt 2015), Tokyo. 
Mar 17, 2016  Silvia Sturaro and Nicola Laurenti  Insecurity of TESLA based Navigation Message Authentication 
Feb 26, 2016  Davide Marangon  R. J. Donaldson, et al.,", Experimental demonstration of kilometerrange quantum digital signatures, Phys. Rev. A 93, 012329 (2016). 
Feb 19, 2016  Francesco Campaioli  Atmospheric effects on the propagation of Orbital Angular Momentum of light 
Feb 12, 2016  Davide Marangon  Novel QRNG that exploit images generated by singlephoton cameras. 
Jan 22, 2016  Francesco Vedovato and Luca Calderaro and Matteo Schiavon  Report on the recent CISAS Workshop on satellite technologies. 
Jan 15, 2016  Daniele Dequal  XiaoYe Xu, et al., Phase Estimation with Weak Measurement Using a White Light Source, Phys. Rev. Lett. 111, 033604 (2013) 
Jan 8, 2016  Paolo Villoresi  Discussion on the opportunities of CubeSat 
Dec 18, 2015  Nicolino Logullo  Simulation of open quantum system exploiting the OAM degree of freedom of photons 
Dec 3, 2015  Matteo Schiavon  Loopholefree Bell experiments. Based on the following papers:

Nov 27, 2015  Chiara Macchiavello  Discussion on collaboration topics 
Nov 20, 2015  Marco Tomasin  C. Schwemmer, et al., Systematic Errors in Current Quantum State Tomography Tools, Phys. Rev. Lett. 114, 080403 (2015) 
Nov 6, 2015  Francesco Vedovato  Anne Broadbent, Christian Schaffer, Quantum Cryptography Beyond Quantum Key Distribution, [arXiv:1510.06120] 
Oct 21, 2015  Simone Gaiarin  Extending transmission capacity of optical fibers 
Oct 16, 2015  Giacomo Pantaleoni  Testing gravitational effects on quantum interference 
Oct 9, 2015  Marco Avesani  Semideviceindependent quantum protocols 
Sept 4, 2015  Daniele Dequal  News from the first National Workshop on: "Le Tecnologie Nazionali per mini e micro satelliti: Idee, Progetti e Prospettive", CIRA, Capua (CE) 
July 3, 2015  Nicola Laurenti and Gianluca Caparra  Authentication and integrity protection of the Galileo signal 
June 26, 2015  Marco Tomasin  QKD system simulating a groundsatellite link [arXiv:1505.00292] 
June 5, 2015  Roberto Corvaja and Davide G. Marangon  Optical communication with lunar and interplanetary terminals 
May 29, 2015  Pino Vallone  News from the QuPoN 2015 conference 
March 27, 2015  Alberto Peruzzo  Recent developments on quantum photonic integration at the University of Sidney 
March 13, 2015  Giovanni Mazzarella  The physics of ultracold atoms: the BoseHubbard model (part II) 
March 6, 2015  Luca Salasnich  The physics of ultracold atoms: the BoseHubbard model (part I) 
Feb 6, 2015  Nicola Laurenti,  The SenderExcited Secret Key Agreement Model, based on the following papers:

Jan 23, 2015  Marangon and Laurenti and Vallone and Villoresi,  Activities of the QuantumFuture group: meeting with students 
Oct 31, 2014  Matteo Schiavon  Heralded single photon source for quantum key distribution 
Oct 24, 2014  Davide Marangon  New approaches to Quantum Random Number Generators. Based on:

Oct 17, 2014  Andrea Stanco  Risultati e prospettive di completamento del progetto uQuake: system for QUAntum exchange of cryptographic KEy 
Jul 4, 2014  Davide Bacco  Peng Shi, ShiCheng Zhao, WenDong Li, YongJian Gu, Feasibility of underwater free space quantum key distribution, [arXiv:1402.4666] 
Jun 27, 2014  Daniele Dequal  J. Dressel, M. Malik, F. M. Miatto, A. N. Jordan, R. W. Boyd, Colloquium: Understanding quantum weak values: Basics and applications, Reviews of Modern Physics 6, 307316 (2014)
O. Hosten, P. Kwiat, Observation of the Spin Hall Effect of Light via Weak Measurements, Science 319, 787790 (2008) 
Jun. 6, 2014  Pino Vallone 
H. Salih, Z. Li, M. AlAmri, and M. Suhail Zubairy, Protocol for Direct Counterfactual Quantum Communication Phys. Rev. Lett. 110, 170502 (2013) N. Gisin, Optical Communication without Photons, Physical Review A 88 (2013) 
May 23, 2014  Paolo Villoresi  G. Vallone, D. Marangon, M. Canale, I. Savorgnan, D. Bacco, M. Barbieri, S. Calimani, C. Barbieri, N. Laurenti, P. Villoresi, Turbulence as a Resource for Quantum Key Distribution in Long Distance FreeSpace Links, [arXiv:1404.1272] 
May 16, 2014  Nicola Laurenti  B. Fröhlich, J. F. Dynes, M. Lucamarini, A. W. Sharpe, Z. Yuan, A. J. Shields, A quantum access network, Nature 501, 6972 (2013) 
May 9, 2014  Marco Tomasin  F. Bussieres, et al., Quantum teleportation from a telecomwavelength photon to a solidstate quantum memory,[arXiv:1401.6958] 
Apr. 4, 2014  Paola Cappellaro  Quantum sensing 
Mar. 28, 2014  Nicola Dalla Pozza 
T. Lunghi, J. Kaniewski, F. Bussières, R. Houlmann, M. Tomamichel, A. Kent, N. Gisin, S. Wehner, and H. Zbinden, Experimental Bit Commitment Based on Quantum Communication and Special Relativity, Phys. Rev. Lett. 111, 180504 (2013) 
Mar. 21, 2014  Pino Vallone 
C.C.W. Lim, C. Portmann, M. Tomamichel, R. Renner, N. Gisin, DeviceIndependent Quantum Key Distribution with Local Bell Test, Phys. Rev. X 3, 031006 (2013) 
Mar. 7, 2014  Daniele Dequal 
Twoway QKD protocol, [arXiv:9611042] [arXiv:9905056] [arXiv:0203118] 
Feb. 28, 2014  Davide Bacco 
Jordan S. Cotler, Peter W. Shor, A New Relativistic Orthogonal States Quantum Key Distribution Protocol, [arXiv:1401.5493] 
Jan. 24, 2014  Simone Gaiarin 
strumenti software: sistema di controllo di gestione GIT. Sito ufficiale e documentazione Verranno presentate le seguenti slides (altre slides con contenuto più esteso qui) 
Jan. 17, 2014  Davide Marangon 
S. Pironio et al., Random numbers certified by Bell's theorem, Nature 464, 1021 (2010) R. Colbeck and R. Renner, Free randomness can be amplified, Nature 8, 450 (2012) 
Dec. 13, 2013  Massimo Melucci 
Information Retrieval and Quantum Mechanics. In this seminar we will analyze how Quantum Mechanics (QM) can be useful for Information Retrieval (IR). We will review some features of IR and then connect it with QM. Finally we will show some results demonstrating that QM id useful for IR. 
Nov. 29, 2013  Anna Sponselli 
Optical beam with Orbital Angular Momentum (OAM) 
Nov. 22, 2013   
Jane Nordholt, 
Nov. 8, 2013   
Fabian Furrer, Continuous variable entropic uncertainty relations in the presence of quantum memory 
June 21, 2013  Davide Marangon 
Physical keyprotected onetime pad, 
June 12, 2013  Matteo Canale 
Debate on the security of QKD. Based on the following papers:

May 24, 2013  Daniele Dequal 
Neutrino detection in ICARUS experiment, 
May 17, 2013  Marco Tomasin 
Efficient Measurement of Quantum Dynamics via Compressive Sensing, Phys. Rev. Lett. 106, 100401 (2011) Experimental Quantum State Tomography via Compressed Sampling, 
May 10, 2013  Pino Vallone 
EPRsteering with nonmaximally entangled states, 
May 3, 2013  Roberto Corvaja 
Comparison of error probability bounds in quantum state discrimination, Phys. Rev. A, in press 
Apr. 19, 2013  Francesco Ticozzi 
Minimum Relative Entropy for Quantum Estimation: Feasibility and General Solution, 
Apr. 12, 2013  Nicola Dalla Pozza 
Undoing a Quantum Measurement 
Apr. 5, 2013  Nicola Laurenti 
Secrecy capacities of compound quantum wiretap channels and applications
Boche, H. et al., 2013. Secrecy capacities of compound quantum wiretap channels and applications, [arXiv:1302.3412] 
Mar. 22, 2013  Prof. Audun Jøsang 
Subjective logic as an algebra for Dirichlet pdfs. 
Mar. 15, 2013  Luca Mazzarella 
Boson Sampling Boson sampling: Science 339, 794 (2013). 
Mar. 8, 2013  Davide Bacco 
A comprehensive design and performance analysis of low Earth orbit satellite quantum communication New. Jour. Phys. 15, 023006 (2013), [arXiv:1211.2733] 
Mar. 1, 2013  Pino Vallone 
NoSwitching Quantum Key Distribution Using Broadband Modulated Coherent Light Theory: Phys. Rev. Lett. 93, 170504 (2004). Exp: Phys. Rev. Lett. 95, 180503 (2005). More detalis: Phys. Rev. A 73, 022316 (2006). 
Feb. 22, 2013  Paolo Villoresi  Review of possible experiments along space quantum channels 
Feb. 15, 2013    Meeting with an entrepreneur with interest in advanced technology 
Feb. 1, 2013  Paolo Villoresi  Discussion on the Asiago Winter School program and perspective 
Jan. 25, 2013  Pino Vallone  QKD wth distributed phase reference 
Jan. 18, 2013  Davide Bacco  QKD along Space channel in Matera 
Jan. 11, 2013  Nicola Dalla Pozza  Deterministic Protocol for the preparation of SingleRail Qubit 
Dec. 14, 2012  Alberto DAll'Arche  QKD with non maximally entangled states 
Dec. 7, 2012    General discussion 
Nov. 30, 2012  Davide Marangon  High speed random number generation with quantum processes 
Nov. 23, 2012  Matteo Canale  Postprocessing algorithms and tools for experimental quantum key distribution based on finitekey analysis 
Nov. 16, 2012  Simone Piccirilli  The Ventrix quantum receiver 
Nov. 9, 2012  Maria Silvia Pini  Preferences in Multiagent Decision Making 
Oct. 26, 2012  Nicola Laurenti  States and optimal measurement operators for classical binary transmission over qubit channels 
Oct. 19, 2012  Luca Mazzarella  Asymmetric Architecture for Heralded Single Photon Sources 
Oct. 12, 2012  Mattia Minozzi  Biphoton generation with adaptive wavefront 
Oct. 5, 2012  Matteo Canale  Beyond BB84, a novel approach 