Long-distance continuous-variable quantum key distribution with efficient channel estimation L Ruppert, VC Usenko, R Filip Physical Review A 90 (6), 062310, 2014 | 53 | 2014 |

Efficient quantum tomography needs complementary and symmetric measurements D Petz, L Ruppert Reports on Mathematical Physics 69 (2), 161-177, 2012 | 23 | 2012 |

Entanglement-based continuous-variable quantum key distribution with multimode states and detectors VC Usenko, L Ruppert, R Filip Physical Review A 90 (6), 062326, 2014 | 19 | 2014 |

Fading channel estimation for free-space continuous-variable secure quantum communication L Ruppert, C Peuntinger, B Heim, K Günthner, VC Usenko, D Elser, ... New Journal of Physics 21 (12), 123036, 2019 | 18 | 2019 |

Optimal parameter estimation of Pauli channels L Ruppert, D Virosztek, K Hangos Journal of Physics A: Mathematical and Theoretical 45 (26), 265305, 2012 | 18 | 2012 |

Optimal quantum-state tomography with known parameters D Petz, L Ruppert Journal of Physics A: Mathematical and Theoretical 45 (8), 085306, 2012 | 18 | 2012 |

Quantum communication with macroscopically bright nonclassical states VC Usenko, L Ruppert, R Filip Optics express 23 (24), 31534-31543, 2015 | 11 | 2015 |

Martingale approach in quantum state estimation using indirect measurements L Ruppert, KM Hangos Proceedings of the 19th International Symposium on Mathematical Theory of …, 2010 | 5 | 2010 |

Compromising non-demolition and information gaining for qubit state estimation L Ruppert, A Magyar, KM Hangos Quantum Probability and Related Topics, 212-224, 2008 | 5 | 2008 |

Estimation of the covariance matrix of macroscopic quantum states L Ruppert, VC Usenko, R Filip Physical Review A 93 (5), 052114, 2016 | 4 | 2016 |

Conditional SIC-POVMs D Petz, L Ruppert, A Szántó IEEE transactions on information theory 60 (1), 351-356, 2013 | 4 | 2013 |

Towards optimal quantum state estimation of a qubit by using indirect measurements L Ruppert, A Magyar, KM Hangos, D Petz Research Report of the Systems and Control Laboratory SCL-002/2008., 24, 2008 | 4 | 2008 |

Quantum state tomography with finite sample size D Petz, KM Hangos, L Ruppert Quantum Bio-Informatics: From Quantum Information to Bio-Informatics, 247-257, 2008 | 4 | 2008 |

Pauli channel tomography with unknown channel directions D Virosztek, L Ruppert, KM Hangos arXiv preprint arXiv:1304.4492, 2013 | 3 | 2013 |

State estimation methods using indirect measurements KM Hangos, L Ruppert Quantum Probability And Related Topics, 163-180, 2011 | 3 | 2011 |

Estimation of nonclassical independent Gaussian processes by classical interferometry L Ruppert, R Filip Scientific reports 7 (1), 1-8, 2017 | 2 | 2017 |

State estimation methods using indirect measurements L Ruppert, KM Hangos Technical Report SCL-001/2010, Computer and Automation Institute, Hungarian …, 2010 | 2 | 2010 |

State estimation of N-level quantum systems A Magyar, L Ruppert, KM Hangos, D Petz Technical report of the Systems and Control Laboratory SCL-007/2006 …, 2006 | 2 | 2006 |

Light-matter quantum interferometry with homodyne detection L Ruppert, R Filip Optics express 25 (13), 15456-15467, 2017 | 1 | 2017 |

Proof-of-principle test of coherent-state continuous variable quantum key distribution through turbulent atmosphere (Conference Presentation) ID Derkach, C Peuntinger, L Ruppert, B Heim, K Gunthner, VC Usenko, ... Quantum Information Science and Technology II 9996, 999605, 2016 | 1 | 2016 |