2021

2020

2019

  • Daiqin Su, Timothy C. Ralph, Decoherence of the radiation from an accelerated quantum source, Physical Review X 9, 011007 (2019)

  • Ping Xu, Yiqiu Ma, Ji-Gang Ren, Hai-Lin Yong, Timothy C. Ralph, Sheng-Kai Liao, Juan Yin, Wei-Yue Liu, Wen-Qi  Cai, Xuan Han, Hui-Nan Wu, Wei-Yang Wang, Feng-Zhi Li, Meng Yang, Feng-Li Lin, Li Li, Nai-Le Liu, Yu-Ao Chen, Chao-Yang Lu, Yanbei Chen, Jingyun Fan, Cheng-Zhi Peng, Jian-Wei Pan, Satellite testing of a gravitationally induced quantum decoherence model, Science 366, 132-135 (2019).

  • Riccardo Laurenza, Spyros Tserkis, Leonardo Banchi, Samuel L. Braunstein, Timothy C. Ralph, and Stefano Pirandola, Tight finite-resource bounds for private communication over Gaussian channels, Physical Review A 100, 042301 (2019).

  • Sebastian P. Kish, Timothy C. Ralph, Quantum metrology in the Kerr metric, Physical Review D 99, 124015 (2019).

  • Sho Onoe, Timothy. C. Ralph, Universal Transformation of Displacement Operators and its Application to Homodyne Tomography In Differing Relativistic Reference Frames, Physical Review D 99, 116001 (2019).

  • Farid Shahandeh, Austin P. Lund, Timothy C. Ralph, Quantum Correlations and Global Coherence in Distributed Quantum Computing, Physical Review A 99, 052303 (2019).

  • Nedasadat Hosseinidehaj, Nathan Walk, and Timothy C. Ralph, Optimal realistic attacks in continuous-variable quantum key distribution, Physical Review A 99, 052336 (2019).

  • Spyros Tserkis, Sho Onoe, Timothy. C. Ralph, Quantifying entanglement of formation for two-mode Gaussian states: Analytical expressions for upper and lower bounds and numerical estimation of its exact value, Physical Review A 99, 052337 (2019).

  • ​Hao Jeng, Spyros Tserkis, Jing Yan Haw, Helen M. Chrzanowski, Jiri Janousek, Timothy C. Ralph, Ping Koy Lam, Syed M. Assad, Entanglement properties of a measurement-based entanglement distillation experiment, Physical Review A 99, 042304 (2019).

  • Shuying Y. Chen and Timothy C. Ralph, Estimation of gravitational acceleration with quantum optical interferometers, Physical Review A 99, 023803 (2019).


2018

  • ​Spyros Tserkis, Josephine Dias, and Timothy C. Ralph, Simulation of Gaussian channels via teleportation and error correction of Gaussian states, Physical Review A 98, 052355 (2018).

  • Xiaogang Qiang, Xiaoqi Zhou, Jianwei Wang, Callum M. Wilkes, Thomas Loke, Sean O'Gara, Laurent Kling, Graham D. Marshall, Raffaele Santagati, Timothy C. Ralph, Jingbo B. Wang, Jeremy L. O'Brien, Mark G. Thompson, and Jonathan C. F. Matthews, Large-scale silicon quantum photonics implementing arbitrary two-qubit processing, Nature Photonics 12, 534 (2018).

  • Joshi, Siddarth; Pienaar, Jacques; Ralph, Timothy; Cacciapuoti, Luigi; McCutcheon, Will; Rarity, John; Giggenbach, Dirk; Lim, Jin Gyu; Makarov, Vadim; Fuentes, Ivette; Scheidl, Thomas; Beckert, Erik; Bourennane, Mohamed; Bruschi, David Edward; Cabello, Adan; Capmany, Jose; Carrasco-Casado,  Alberto; Diamanti, Eleni; Dusek, Miloslav; Elser, Dominique; Gulinatti, Angelo; Hadfield, Robert; Jennewein, Thomas; Kaltenbaek, Rainer; Krainak, Michael ; Lo, Hoi-Kwong; Marquardt, Christoph ; Milburn, Gerard; Peev, Momtchil; Poppe, Andreas; Pruneri, Valerio; Renner, Renato ; Salomon, Christophe; Skaar, Johannes; Solomos, Nikolaos ; Stipˇcevi´c, Mario ; Torres, Juan; Toyoshima, Morio; Villoresi, Paolo ; Walmsley, Ian; Weihs, Gregor; Weinfurter, Harald; Zeilinger, Anton; Zukowski, Marek; Ursin, Rupert, Space QUEST mission proposal: Experimentally testing decoherence due to gravity, New Journal of Physics 20, 063016 (2018).

  • Sho Onoe, Daiqin Su, Timothy Ralph, Particle production and apparent decoherence due to an accelerated time-delay, Physical Review D, 98, 036011 (2018).

  • Josephine Dias and T. C. Ralph, Quantum error correction of continuous-variable states with realistic resources, Physical Review A, 97, 032335 (2018).

  • Ryan J. Marshman, Austin P. Lund, Peter P. Rohde, and Timothy C. Ralph, Passive quantum error correction of linear optics networks through error averaging, Physical Review A 97, 022324 (2018).

  • Oliver Thearle, Jiri Janousek, Seiji Armstrong, Sara Hosseini, Melanie Schünemann (Mraz), Syed Assad, Thomas Symul, Matthew R. James, Elanor Huntington, Timothy C. Ralph, and Ping Koy Lam, Violation of Bell’s Inequality Using Continuous Variable Measurements, Physical Review Letters 120, 040406 (2018).

2017

  • Spyros Tserkis and Timothy C. Ralph, Quantifying entanglement in two-mode Gaussian states, Physical Review A 96, 062338 (2017).

  • Jie Zhao, Josephine Dias, Jing Yan Haw, Thomas Symul, Mark Bradshaw, Rémi Blandino, Timothy Ralph, Syed M. Assad, and Ping Koy Lam, Quantum enhancement of signal-to-noise ratio with a heralded linear amplifier, Optica, 4, 1421-1428 (2017).

  • Sebastian P. Kish and Timothy C. Ralph, Quantum-limited measurement of space-time curvature with scaling beyond the conventional Heisenberg limit, Physical Review A 96, 041801(R) (2017).

  • Daiqin Su, C. T. Marco Ho, Robert B. Mann, and Timothy C. Ralph, Black hole squeezers, Physical Review D 96, 065017 (2017).

  • Farid Shahandeh, Austin P. Lund, and Timothy C. Ralph, Quantum Correlations in Nonlocal Boson Sampling, Physical Review Letters 119, 120502 (2017).

  • Austin P. Lund, Saleh Rahimi-Keshari, and Timothy C. Ralph, Exact boson sampling using Gaussian continuous-variable measurements, Physical Review A 96, 022301 (2017).

  • Daiqin Su, C. T. Marco Ho, Robert B. Mann, and Timothy C. Ralph, Quantum circuit model for non-inertial objects: a uniformly accelerated mirror, New Journal of Physics, 19 (2017).

  • Matthias Fink, Ana Rodriguez-Aramendia, Johannes Handsteiner, Abdul Ziarkash, Fabian Steinlechner, Thomas Scheidl, Ivette Fuentes, Jacques Pienaar, Timothy C. Ralph, and Rupert Ursin, Experimental test of photonic entanglement in accelerated reference frames, Nature Communications 8, 15304 (2017).

  • Farid Shahandeh, Michael J. W. Hall, and Timothy C. Ralph, Measurement-Device-Independent Approach to Entanglement Measures, Physical Review Letters 118, 150505 (2017).

  • Austin P. Lund, Michael J. Bremner, and Timothy C. Ralph, Quantum sampling problems, BosonSampling and quantum supremacy, npj Quantum Information 3, 15 (2017).

  • Farid Shahandeh, Martin Ringbauer, Juan C. Loredo, and Timothy C. Ralph, Ultrafine Entanglement Witnessing, Physical Review Letters 118, 110502 (2017).

  • Josephine Dias and Timothy C. Ralph, Quantum repeaters using continuous-variable teleportation, Physical Review A 95, 022312 (2017).

  • Sarah J. Johnson, Andrew M Lance, Lawrence Ong, Mahyar Shirvanimoghaddam, Timothy C. Ralph, and Thomas Symul, On the problem of non-zero word error rates for fixed-rate error correction codes in continuous variable quantum key distribution, New Journal of Physics 19, (2017).

2016

2015

  • Xiao Yuan, Syed M Assad, Jayne Thompson, Jing Yan Haw, Vlatko Vedral, Timothy C Ralph, Ping Koy Lam, Christian Weedbrook, and Mile Gu, Replicating the benefits of Deutschian closed timelike curves without breaking causality, npj Quantum Information 1, 15007 (2015).

  • Austin P. Lund, Classes of two-photon states defined by linear interactions and destructive two-photon quantum interference in a single mode, Physical Review A 92, 053844 (2015).

  • Seung-Woo Lee, Kimin Park, Timothy C. Ralph, and Hyunseok Jeong, Nearly deterministic Bell measurement with multiphoton entanglement for efficient quantum-information processing, Physical Review A 92, 052324 (2015).

  • Alexander E. Ulanov, Ilya A. Fedorov, Anastasia A. Pushkina, Yury V. Kurochkin, Timothy C. Ralph, and A. I. Lvovsky, Undoing the effect of loss on quantum entanglement, Nature Photonics 9, 764-768 (2015).

  • L. S. Costanzo, A. Zavatta, S. Grandi, M. Bellini, H. Jeong, M. Kang, S.-W. Lee, and Timothy C. Ralph, Physica Scripta 90, (2015).

  • Saleh Rahimi-Keshari, Timothy C. Ralph, and Carlton M. Caves, Operational discord measure for Gaussian states with Gaussian measurements, New Journal of Physics 17, (2015).

  • Timothy C. Ralph, and Nathan Walk, Quantum key distribution without sending a quantum signal, New Journal of Physics 17, (2015).

  • Timothy C. Ralph, I. Söllner, S. Mahmoodian, Andrew G. White, and P. Lodahl, Photon Sorting, Efficient Bell Measurements, and a Deterministic Controlled-Z Gate Using a Passive Two-Level Nonlinearity, Physical Review Letters 114, 173603 (2015).

  • Seung-Woo Lee, Kimin Park, Timothy C. Ralph, and Hyunseok Jeong, Nearly Deterministic Bell Measurement for Multiphoton Qubits and its Application to Quantum Information Processing, Physical Review Letters 114, 113603 (2015).

  • Saleh Rahimi-Keshari, Austin P. Lund, and Timothy C. Ralph, What Can Quantum Optics Say about Computational Complexity Theory?, Physical Review Letters 114, 060501 (2015).

2014

2013

2012