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Quantum Information Science, Condensed Matter Theory and Quantum Optics

• "Protecting quantum information in quantum dot spin chains by driving exchange interactions periodically"
  John S. Van Dyke, Yadav P. Kandel, Haifeng Qiao, John M. Nichol, Sophia E. Economou, Edwin Barnes, arXiv:2009.08469 (2020).


• "A multiconfigurational study of the negatively charged nitrogen-vacancy center in diamond"
  Churna Bhandari, Aleksander L. Wysocki, Sophia E. Economou, Pratibha Dev, and Kyungwha Park, arXiv:2008.10156 (2020).


• "Gate-free state preparation for fast variational quantum eigensolver simulations: ctrl-VQE"
  Oinam Romesh Meitei, Bryan T. Gard, George S. Barron, David P. Pappas, Sophia E. Economou, Edwin Barnes, Nicholas J. Mayhall, arXiv:2008.04302 (2020).


• "An adaptive quantum approximate optimization algorithm for solving combinatorial problems on a quantum computer"
  Linghua Zhu, Ho Lun Tang, George S. Barron, Nicholas J. Mayhall, Edwin Barnes, Sophia E. Economou, arXiv:2005.10258 (2020).


• "Teaching quantum information science to high-school and early undergraduate students"
  Sophia E. Economou, Terry Rudolph, Edwin Barnes, arXiv:2005.07874 (2020).


• "Resource requirements for efficient quantum communication using all-photonic graph states generated from a few matter qubits"
  Paul Hilaire, Edwin Barnes, Sophia E. Economou, arXiv:2005.07198 (2020).


• "Precise high-fidelity electron-nuclear spin entangling gates in NV centers via hybrid dynamical decoupling sequences"
  Wenzheng Dong, F. A. Calderon-Vargas and Sophia E. Economou, New J. Phys. 22, 073059 (2020)


• "Preserving symmetries for variational quantum eigensolvers in the presence of noise"
  George S. Barron, Bryan T. Gard, Orien J. Altman, Nicholas J. Mayhall, Edwin Barnes, Sophia E. Economou, arXiv:2003.00171 (2020).


• "Fast noise-resistant control of donor nuclear spin qubits in silicon"
  James Simon, F. A. Calderon-Vargas, Edwin Barnes, and Sophia E. Economou, Phys. Rev. B 101, 205307 (2020)


• "Efficient Symmetry-Preserving State Preparation Circuits for the Variational Quantum Eigensolver Algorithm"
  Bryan T. Gard, Linghua Zhu, George S. Barron, Nicholas J. Mayhall, Sophia E. Economou, Edwin Barnes, npj Quantum Information 6, 10 (2020)


• "Discrete time crystal in the gradient-field Heisenberg model"
  Bikun Li, John S. Van Dyke, Ada Warren, Sophia E. Economou, Edwin Barnes, Phys. Rev. B 101, 115303 (2020)


• "Development of Quantum Interconnects for Next-Generation Information Technologies"
  David Awschalom, Karl K. Berggren, Hannes Bernien, Sunil Bhave, Lincoln D. Carr, Paul Davids, Sophia E. Economou, Dirk Englund, Andrei Faraon, et al., arXiv:1912.06642 (2019)


• "Quantum Simulators: Architectures and Opportunities"
  Ehud Altman, Kenneth R. Brown, Giuseppe Carleo, Lincoln D. Carr, Eugene Demler, Cheng Chin, Brian DeMarco, Sophia E. Economou, Mark Eriksson, Kai-Mei C. Fu, et al., arxiv:1912.06938 (2019)


• "Is the Trotterized UCCSD Ansatz chemically well-defined?"
  Harper R. Grimsley, Daniel Claudino, Sophia E. Economou, Edwin Barnes, Nicholas J. Mayhall, J. Chem. Theory Comput., 16, 1 (2020)


• "Microwave-based Arbitrary CPHASE Gates for Transmon Qubits"
  George S. Barron, F. A. Calderon-Vargas, Junling Long, David Pappas and Sophia E. Economou, Phys. Rev. B 101, 054508 (2020)


• "qubit-ADAPT-VQE: An adaptive algorithm for constructing hardware-efficient ansatze on a quantum processor "
  Ho Lun Tang, Edwin Barnes, Harper R. Grimsley, Nicholas J. Mayhall, Sophia E. Economou, arXiv:1911.10205 (2019)


• "Deterministic generation of large-scale entangled photonic cluster state from interacting solid state emitters"
  Mercedes Gimeno-Segovia, Terry Rudolph and Sophia E. Economou, Phys. Rev. Lett. 123, 070501 (2019)


• "Toward long-range entanglement between electrically driven single-molecule magnets"
  Khadijeh Najafi, Alexander Wysocki, Kyungwha Park, Sophia E Economou, Edwin Barnes, J. Phys. Chem. Lett. 10, 7347 (2019)


• "Spin-dependent quantum optics in a quantum dot molecule"
  Bumsu Lee, Brennan C Pursley, Samuel G Carter, Sophia E Economou, Michael K Yakes, Joel Q Grim, Allan S Bracker, Daniel Gammon, Phys. Rev. B 123, 070501 (2019)


• "An adaptive variational algorithm for exactmolecular simulations on a quantum computer"
  Harper R. Grimsley, Sophia E. Economou, Edwin Barnes and Nicholas J. Mayhall, Nature Communications 10, 3007 (2019)


• "Fast high-fidelity entangling gates for spin qubits in Si double quantum dots"
  F. A. Calderon-Vargas, George S. Barron, Xiu-Hao Deng, A. J. Sigillito, Edwin Barnes and Sophia E. Economou, Phys. Rev. B 100, 035304 (2019)


• "Long-distance entangling gates between quantum dot spins mediated by a superconducting resonator"
  Ada Warren, Edwin Barnes and Sophia E. Economou, Phys. Rev. B 100, 161303(R) (2019)


• "Stabilization and manipulation of multi-spin states in quantum dot time crystals with Heisenberg interactions"
  Edwin Barnes, John M. Nichol and Sophia E. Economou, Phys. Rev. B 99, 035311 (2019)


• "A solvable quantum model of dynamic nuclear polarization in quantum dots"
  Thomas Nutz, Edwin Barnes and Sophia E. Economou, Phys. Rev. B 99, 035439 (2019)


• " Generation of arbitrary all-photonic graph states from quantum emitters "
  Antonio Russo, Edwin Barnes and Sophia E. Economou, New J. Phys. 21 055002 (2019)


• "Spin polarization through intersystem crossing in the silicon vacancy of silicon carbide"
  Wenzheng Dong, M. W. Doherty and Sophia E. Economou, Phys. Rev. B 99, 184102 (2019)


• "Enhancement of nuclear spin coherence times by driving dynamic nuclear polarization at defect centers in solids"
  Girish Sharma, Torsten Gaebel, Ewa Rej, David J. Reilly, Sophia E. Economou and Edwin Barnes, Phys. Rev. B 99, 205423 (2019)


• "Photonic graph state generation from quantum dots and color centers for quantum communications"
  Antonio Russo, Edwin Barnes and Sophia E. Economou, Phys. Rev. B 98, 035301 (2018)


• "Dynamic Nuclear Polarization from Topological Insulator Helical Edge States"
  Antonio Russo, Edwin Barnes and Sophia E. Economou, Phys. Rev. B 98, 235412 (2018)


• "Topological insulator ring with magnetic impurities"
  Arian Vezvaee, Antonio Russo, Sophia E. Economou and Edwin Barnes, Phys. Rev. B 98, 035301 (2018)


• "Quantum properties of dichroic silicon vacancies in silicon carbide"
  Roland Nagy, Matthias Widmann, Matthias Niethammer, Durga B.R. Dasari, Ilja Gerhardt, Öney O. Soykal, Marina Radulaski, Takeshi Ohshima, Jelena Vučković, Nguyen Tien Son, Ivan G. Ivanov, Sophia E. Economou, Cristian Bonato, Sang-Yun Lee, and Jörg Wrachtrup, Phys. Rev. Applied 9, 034022 (2018)


• "Qubit gates using hyperbolic secant pulses "
  H. S. Ku, J. L. Long, X. Wu, M. Bal, R. E. Lake, Edwin Barnes, Sophia E. Economou and D. P. Pappas, Phys. Rev. A 96, 042339 (2017)


• "Deterministic generation of all-photonic quantum repeaters from solid-state emitters"
  Donovan Buterakos, Edwin Barnes and Sophia E. Economou, Phys. Rev. X 7, 041023 (2017)


• "Interplay of valley polarization and dynamic nuclear polarization in 2D transition metal dichalcogenides"
  Girish Sharma, Sophia E. Economou and Edwin Barnes, Phys. Rev. B 96, 125201 (2017)


• "Robustness of error-suppressing entangling gates in cavity-coupled transmon qubits"
  Xiu-Hao Deng, Edwin Barnes and Sophia E. Economou, Phys. Rev. B 96, 035441 (2017)


• "Fast microwave-driven three-qubit gates for cavity-coupled superconducting qubits"
  Edwin Barnes, Christian Arenz, Alexander Pitchford and Sophia E. Economou, Phys. Rev. B 96, 024504 (2017)


• "Spin-photon entanglement interfaces in silicon carbide"
  Sophia E. Economou and Pratibha Dev, Nanotechnology 27 504001 (2016)
  Featured on Nanotechweb.org


• "Silicon vacancy center in 4H-SiC: Electronic structure and spin-photon interfaces"
  Ö. O. Soykal, Pratibha Dev and Sophia E. Economou, Phys. Rev. B 93, 081207(R) (2016)
  


• "Spin coherence and echo modulation of the silicon vacancy in 4H-SiC at room temperature"
  S. G. Carter, Ö. O. Soykal, Pratibha Dev, Sophia E. Economou and E. R. Glaser, Phys. Rev. B 92, 161202(R) (2015)
  


• "Analytical approach to swift non-leaky entangling gates in superconducting qubits"
  Sophia E. Economou and Edwin Barnes, Phys. Rev. B 91, 161405(R) (2015)
  


• "Spin-cavity interactions between a quantum dot molecule and a photonic crystal cavity"
  Patrick Vora, Allan S. Bracker, Samuel G. Carter, Timothy Sweeney, Mijin Kim, Chul Soo Kim, Lily Yang, Peter G. Brerenton, Sophia E. Economou, and Daniel Gammon, Nature Communications 6, 7665 (2015)
  


• "Two-photon absorption of a quantum dot pair"
  Michael Scheibner, Sophia E. Economou, Ilya V. Ponomarev, Cameron Jennings, Allan S. Bracker, and Daniel Gammon, Phys. Rev. B 92, 081411(R) (2015)
  


• "Excitation spectrum as a resource for efficient two-qubit entangling gates"
  Dmitry Solenov, Sophia E. Economou, T. L. Reinecke, Phys. Rev. B 89, 155404 (2014)
  


• "Theory of dynamic nuclear polarization and feedback in quantum dots"
  Sophia E. Economou and Edwin Barnes, Phys. Rev. B 89, 165301 (2014)
  


• "All-optical tomography of electron spins in (InGa)As Quantum Dots"
  S. Varwig, A. Rene, Sophia E. Economou, A. Greilich, D. R. Yakovlev, D. Reuter, A. D. Wieck, T. L. Reinecke, and M. Bayer, Phys. Rev. B 89, 081310(R) (2014) - Editor's suggestion
  


• "Strong Hyperfine-Induced Modulation of an Optically-Driven Hole Spin in an InAs Quantum Dot"
  S. G. Carter, Sophia E. Economou, A. Greilich, Edwin Barnes, A. S. Bracker, T. Sweeney and D. Gammon, Phys. Rev. B 89, 075316 (2014)
  


• "A universal set of gates for defect qubits in diamond and similar systems"
  Dmitry Solenov, Sophia E. Economou, and T. L. Reinecke, Phys. Rev. B 88, 161403(R) (2013)
  


• "Quantum control of a spin qubit coupled to a photonic crystal cavity"
  S. G. Carter, T. M. Sweeney, M. Kim, C. S. Kim, D. Solenov, Sophia E. Economou, T. L. Reinecke, L. Yang, A. S. Bracker, and D. Gammon, Nature Photonics 7, 329 (2013)
  


• "Fast Two-Qubit Gates in Semiconductor Quantum Dots using a Photonic Microcavity"
  Dmitry Solenov, Sophia E. Economou, and T. L. Reinecke, Phys. Rev. B 87, 035308 (2013)
  


• "Quantum Physics: putting a spin on photon entanglement"
  Sophia E. Economou, Nature 491, 343-344 (2012)
  


• "A scalable qubit architecture based on holes in quantum dot molecules"
  Sophia E. Economou, J. I. Climente, A. Badolato, A. S. Bracker, D. Gammon, and M. F. Doty, Phys. Rev. B 86, 085319 (2012)
  


• "High fidelity quantum gates via analytically solvable pulses"
  Sophia E. Economou, Phys. Rev. B 85, 241401(R) (2012)
  


• "Entangled Photon Pair Generation with Quantum Dot Molecules"
  M. Scheibner, Sophia E. Economou, A. S. Bracker, D. Gammon, and I. V. Ponomarev, J. Opt. Soc. Am. B 29, A82 (2012)
  


• "Optical Control of Coherent Interactions between Electron Spins in InGaAs Quantum Dots"
  S. Spatzek, A. Greilich, Sophia E. Economou, A. Schwan, S. Varwig, D. R. Yakovlev, D. Reuter, A. D. Wieck, T. L. Reinecke, and M. Bayer, Phys. Rev. Lett. 107, 137402 (2011)
  


• "Electron-nuclear dynamics in a quantum dot under non-unitary electron control"
  Edwin Barnes and Sophia E. Economou, Phys. Rev. Lett. 107, 047601 (2011)
  


• "Controlling the nuclear polarization in quantum dots using optical pulse shape with a modest bandwidth"
  S. G. Carter, Sophia E. Economou, A. Shabaev, and A. S. Bracker, Phys. Rev. B 83, 115325 (2011)
  


• "Optically generated 2-dimensional photonic cluster state from coupled quantum dots"
  Sophia E. Economou, Netanel Lindner, and Terry Rudolph, Phys. Rev. Lett. 105, 093601 (2010)
  


• "Directing nuclear spin flips in InAs quantum dots using detuned optical pulse trains"
  S. G. Carter, A. Shabaev, Sophia E. Economou, T. A. Kennedy, A. S. Bracker, and T. L. Reinecke, Phys. Rev. Lett. 102, 167403 (2009)
  


• "Ultrafast optical rotations of electron spins in quantum dots"
  A. Greilich, Sophia E. Economou, S. Spatzek, D.R. Yakovlev, D. Reuter, A.D. Wieck, T.L. Reinecke, and M. Bayer, Nature Physics 5, 262-266 (2009)
  


• "Optical Spin Initialization and Non-Destructive Measurement in a Quantum Dot Molecule"
  Danny Kim, Sophia E. Economou, Stefan C. Badescu, Michael Scheibner, Allan S. Bracker, Mark Bashkansky, Thomas L. Reinecke, and Daniel Gammon, Phys. Rev. Lett. 101, 236804 (2008)
  


• "Optical conditional spin gates in coupled quantum dots using the electron-hole exchange interaction"
  Sophia E. Economou and T. L. Reinecke, Phys. Rev. B 78, 115306 (2008)
  


• "Theory of fast optical spin rotation in a quantum dot based on geometric phases and trapped states"
  Sophia E. Economou and T. L. Reinecke, Phys. Rev. Lett. 99, 217401 (2007)
  


• "Selective Optical Control of Electron Spin Coherence in Singly Charged Quantum Dots via Optically Bright and Dark States"
  Yanwen Wu, Erik D. Kim, Xiaodong Xu, Jun Cheng, D. G. Steel, A. S. Bracker, D. Gammon, Sophia E. Economou, and L. J. Sham, Phys. Rev. Lett. 99, 097402 (2007)
  


• "Theory of nonlinear optical spectroscopy of electron spin coherence in quantum dots"
  Ren-Bao Liu, Sophia E. Economou, L. J. Sham, and D. G. Steel, Phys. Rev. B 75, 085322 (2007)
  


• "Proposal for optical U(1) rotations of electron spin trapped in a quantum dot"
  Sophia E. Economou, L. J. Sham, Yanwen Wu, and D.G. Steel, Phys. Rev. B 74, 205415 (2006)
  


• "Ultrafast optical control of electron spin coherence in charged GaAs quantum dots"
  M. V. Gurudev Dutt, Jun Cheng, Yanwen Wu, Xiaodong Xu, D. G. Steel, A. S. Bracker, D. Gammon, Sophia E. Economou, Ren-Bao Liu, and L. J. Sham, Phys. Rev. B 74, 125306 (2006)
  


• "Stimulated and Spontaneous Optical Generation of Electron Spin Coherence in Charged GaAs Quantum Dots"
  M. V. Gurudev Dutt, Jun Cheng, Bo Li, Xiaodong Xu, Xiaoqin Li, P.R. Berman, D.G. Steel, A.S. Bracker, D. Gammon, Sophia E. Economou, Ren-Bao Liu, and L.J. Sham, Phys. Rev. Lett. 94, 227403 (2005)
  


• "Unified theory of consequences of spontaneous emission in a Lambda-type system"
  Sophia E. Economou, Ren-Bao Liu, L.J. Sham, and D.G. Steel, Phys. Rev. B 71, 195327 (2005)