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Recent Publications


  • PC Lotshaw, TS Humble, R Herrman, J Ostrowski, G Siopsis, Empirical performance bounds for quantum approximate optimization, arXiv preprint arXiv:2102.06813 (2021).
  • R Herrman, L Treffert, J Ostrowski, PC Lotshaw, TS Humble, G Siopsis, Impact of Graph Structures for QAOA on MaxCut, arXiv preprint arXiv:2102.05997 (2021).
  • K Yeter-Aydeniz, BT Gard, J Jakowski, S Majumder, GS Barron, G Siopsis, T Humble, RC Pooser, Benchmarking Quantum Chemistry Computations with Variational, Imaginary Time Evolution, and Krylov Space Solver Algorithms, arXiv preprint arXiv:2102.05511 (2021).
  • E. Moschandreou, B. J. Rollick, B. Qi, and G. Siopsis, Experimental decoy-state Bennett-Brassard 1984 quantum key distribution through a turbulent channel, Phys. Rev. A 103, 032614 (2021).
  • J Ostrowski, R Herrman, TS Humble, G Siopsis, Lower Bounds on Circuit Depth of the Quantum Approximate Optimization Algorithm, Quantum Information Processing 20, 1 (2021).
  • K Yeter-Aydeniz, G Siopsis, RC Pooser, Scattering in the Ising Model Using Quantum Lanczos Algorithm, New Journal of Physics (2021); arXiv preprint arXiv:2008.08763.


  • H. Barghathi, J. Yu, and A. Del Maestro, Theory of noninteracting fermions and bosons in the canonical ensemble, Phys. Rev. Research 2, 043206 (2020).
  • M Bagherian, A Passian, S Kouchekian, G Siopsis, Quantum Hamiltonian for the surface charge density on a ring torus and radiative decay of plasmons, Physical Review B 102 (8), 085422 (2020).
  • K Yeter-Aydeniz, RC Pooser, G Siopsis, Practical quantum computation of chemical and nuclear energy levels using quantum imaginary time evolution and Lanczos algorithms, npj Quantum Information 6 (1), 1 (2020).
  • C Mishra, S Thompson, R Pooser, G Siopsis, Quantum computation of an interacting fermionic model, Quantum Science and Technology 5 (3), 035010 (2020).


  • E. Moschandreou, Quantum Key Distribution over turbulent atmospheric channels, PhD Thesis (2019).
  • K. Yeter-Aydeniz, E. F. Dumitrescu, A. J. McCaskey, R. S. Bennink, R. C. Pooser, G. Siopsis, Scalar quantum field theories as a benchmark for near-term quantum computers, Physical Review A 99 (3), 032306 (2019).
  • R Balu, PJ Koprowski, KA Okoudjou, JS Park, G Siopsis, Equiangular quantum key distribution in more than two dimensions, Journal of Physics A: Mathematical and Theoretical 52 (7), 075202 (2019).
  • G. Siopsis, Quantum topological data analysis with continuous variables, Foundations of Data Science 1(4), 419 (2019).


  • E Moschandreou, JI Garcia, BJ Rollick, B Qi, R Pooser, G Siopsis, Experimental study of Hong–Ou–Mandel interference using independent phase randomized weak coherent states, Journal of Lightwave Technology 36 (17), 3752 (2018).
  • N. Solmeyer, N. M. Linke, C. Figgatt, K. A. Landsman, R. Balu, G. Siopsis, and C. Monroe, Demonstration of Bayesian quantum game on an ion trap quantum computer, Quantum Science and Technology 3, 045002 (2018); arXiv:1802.08116 [quant-ph].
  • M. Dowran, A. Kumar, B. J. Lawrie, R. C. Pooser, and A. M. Marino, Quantum-Enhanced Plasmonic Sensing, Optica 5, 628 (2018); arXiv:1802.00410 [quant-ph].
  • E. F. Dumitrescu, A. J. McCaskey, G. Hagen, G. R. Jansen, T. D. Morris, T. Papenbrock, R. C. Pooser, D. J. Dean, and P. Lougovski, Cloud Quantum Computing of an Atomic Nucleus, Phys. Rev. Lett. 120, 210501 (2018); arXiv:1801.03897 [quant-ph].
  • G. Siopsis, R. Balu, and N. Solmeyer, Quantum Prisoners’ Dilemma under Enhanced Interrogation, Quantum Information Processing 17, 144 (2018); arXiv:1711.11480 [quant-ph].
  • B. Qi, P. G. Evans, and W. Grice, Passive state preparation in the Gaussian-modulated coherent states quantum key distributionPhys. Rev. A 97, 012317 [arXiv:1711.08500 [quant-ph]] (2018).
  • R. Balu, D. Castillo, and G. Siopsis, Physical realization of topological quantum walks on IBM-Q and beyond, Quantum Science and Technology 3, 035001 (2018); arXiv:1710.03615 [quant-ph].
  • K. Yeter and G. Siopsis, Quantum Computation of Scattering Amplitudes in Scalar Quantum Electrodynamics, Phys. Rev. D 97, 036004 [arXiv:1709.02355 [quant-ph]] (2018).
  • B. Qi and C. C. W. Lim, Noise analysis of simultaneous quantum key distribution and classical communication scheme using a true local oscillator, Phys. Rev. Applied 9, 054008 (2018); arXiv:1708.08742 [quant-ph].
  • S. Das, S. Khatri, G. Siopsis, and M. M. Wilde, Fundamental limits on quantum dynamics based on entropy change, Journal of Mathematical Physics 59, 012205 [arXiv:1707.06584 [quant-ph]] (2018).
  • S. Das, G. Siopsis, and C. Weedbrook, Continuous-variable quantum Gaussian process regression and quantum singular value decomposition of non-sparse low rank matrices, Phys. Rev. A 97, 022315 [arXiv:1707.00360 [quant-ph]] (2018).



  • J. M. Lukens, N. A. Peters, and R. C. Pooser, A naturally stable Sagnac-Michelson nonlinear interferometer, Opt. Lett. 41, 5438 [arXiv:1611.00308 [quant-ph]] (2016).
  • C. C. W. Lim, F. Xu, G. Siopsis, E. A. Chitambar, P. G. Evans, and B. Qi, Loss-tolerant quantum secure positioning with weak laser sources , Phys. Rev. A 94, 032315 [arXiv:1607.08193 [quant-ph]] (2016).
  • K. Bradler, T. Kalajdzievski, G. Siopsis, and C. Weedbrook, Absolutely covert quantum communication, arXiv:1607.05916 [quant-ph] (2016).
  • E. Diamanti, H.-K. Lo, B. Qi, and Z. Yuan, Practical challenges in quantum key distribution, npj Quantum Information 2, 16025 [arXiv:1606.05853 [quant-ph]] (2016).
  • A. Passian and G. Siopsis, Strong quantum squeezing near the pull-in instability of a nonlinear beam, Phys. Rev. A 94, 023812 (2016).


  • B. Qi, H.-K. Lo, C. C. W. Lim, G. Siopsis, E. A. Chitambar, R. Pooser, P. G. Evans, and W. Grice, Free-space reconfigurable quantum key distribution network, IEEE ISCOS Conference, [arXiv:1510.04891 [quant-ph]] (2015).
  • M. Salhi, A. Passian, and G. Siopsis, Toroidal nano-traps for cold polar molecules, Phys. Rev. A 92, 033416 [arXiv:1508.06534 [cond-mat.mes-hall]] (2015).
  • K. Marshall, R. Pooser, G. Siopsis, and C. Weedbrook, Quantum simulation of quantum field theory using continuous variables, Phys. Rev. A 92, 063825; arXiv:1503.08121 [quant-ph] (2015).
  • B. Qi, P. Lougovski, R. Pooser, W. Grice, and M. Bobrek, Generating the local oscillator “locally” in continuous-variable quantum key distribution based on coherent detection, Phys. Rev. X 5, 041009; arXiv:1503.00662 [quant-ph] (2015).
  • B. Qi and G. Siopsis, Loss-tolerant position-based quantum cryptography, Phys. Rev. A 91, 042337 (2015) [arXiv:1502.02020 [quant-ph]].
  • K. Marshall, R. Pooser, G. Siopsis, and C. Weedbrook, Repeat-until-success cubic phase gate for universal continuous-variable quantum computation, Phys. Rev. A 91, 032321 (2015) [arXiv:1412.0336 [quant-ph]].