Publications

• "Full-Permutation Dynamical Decoupling in Triple-Quantum-Dot Spin Qubits," B. Sun, T. Brecht, B. H. Fong, M. Akmal, J. Z. Blumoff, T. A. Cain, F. W. Carter, D. H. Finestone, M. N. Fireman, W. Ha, A. T. Hatke, R. M. Hickey, C. A. C. Jackson, I. Jenkins, A. M. Jones, A. Pan, D. R. Ward, A. J. Weinstein, S. J. Whiteley, P. Williams, M. G. Borselli, M. T. Rakher, and T. D. Ladd, PRX Quantum 5, 020356 (2024)

• "Universal logic with encoded spin qubits in silicon," A. J. Weinstein, M. D. Reed, A. M. Jones, R. W. Andrews, D. Barnes, J. Z. Blumoff, L. E. Euliss, K. Eng, B. H. Fong, S. D. Ha, D. R. Hulbert, C. A. C. Jackson, M. Jura, T. E. Keating, J. Kerckhoff, A. A. Kiselev, J. Matten, G. Sabbir, A. Smith, J. Wright, M. T. Rakher, T. D. Ladd & M. G. Borselli, Nature 615, 817 (2023)

• "Semiconductor spin qubits," G. Burkard, T. D Ladd, J. M. Nichol, A. Pan, J. R. Petta, Reviews of Modern Physics 95, 025003 (2022)

• "Fast and high-fidelity state preparation and measurement in triple-quantum-dot spin qubits," J. Z. Blumoff, A. S. Pan, T. E. Keating, R. W. Andrews, D. W. Barnes, T. L. Brecht, E. T. Croke, L. E. Euliss, J. A. Fast, C. A. C. Jackson, A. M. Jones, J. Kerckhoff, R. K. Lanza, K. Raach, B. J. Thomas, R. Velunta, A. J. Weinstein, T. D. Ladd, K. Eng, M. G. Borselli, A. T. Hunter, M. T. Rakher. PRX Quantum 3, 10352 (2022)

• "Electrical control of the  tensor of the first hole in a silicon MOS quantum dot," S. D. Liles, F. Martins, D. S. Miserev, A. A. Kiselev, I. D. Thorvaldson, M. J. Rendell, I. K. Jin, F. E. Hudson, M. Veldhorst, K. M. Itoh, O. P. Sushkov, T. D. Ladd, A. S. Dzurak, A. R. Hamilton. Physical Review B 104, 235303 (2021)

• "Magnetic Gradient Fluctuations from Quadrupolar 73Ge in Si/SiGe Exchange-Only Qubits," J. Kerckhoff, B. Sun, B. H. Fong, C. Jones, A. A. Kiselev, D. W. Barnes, R.S. Noah, E. Acuna, M. Akmal, S.D. Ha, J.A. Wright, B.J. Thomas, C.A.C. Jackson, L.F. Edge, K. Eng, R.S. Ross, T.D. Ladd. PRX Quantum 2, 010347 (2021)

• "Controllable freezing of the nuclear spin bath in a single-atom spin qubit," M. T. Mądzik, T. D. Ladd, F. E. Hudson, K. M. Itoh, A. M. Jakob, B. C. Johnson, J. C. McCallum, D. N. Jamieson, A. S. Dzurak, A. Laucht, A. Morello. Science Advances 6, eaba3442 (2020)

• "Split-gate cavity coupler for silicon circuit quantum electrodynamics," F. Borjans, X. Croot, S. Putz, X. Mi, S.M. Quinn, A. Pan, J. Kerckhoff, E. J. Pritchett, C. A. Jackson, L. F. Edge, R. S. Ross, T. D. Ladd, M. G. Borselli, M. F. Gyure, J. R. Petta. Applied Physics Letters 116, 234001 (2020)

• "Resonant exchange operation in triple-quantum-dot qubits for spin–photon transduction," A. Pan, T. E. Keating, M. F. Gyure, E. J. Pritchett, S. Quinn, R. S. Ross, T. D. Ladd, J. Kerckhoff.  Quantum Science and Technology 5, 034005 (2020)

• "A silicon quantum-dot-coupled nuclear spin qubit," B. Hensen, W. W. Huang, C.-H. Yang, K. W. Chan, J. Yoneda, T. Tanttu, F. E. Hudson, A. Laucht, K. M. Itoh, T. D. Ladd, A. Morello, and A. S. Dzurak. Nature Nanotechnology  15, 13 (2020)

• "Single-spin qubits in isotopically enriched silicon at low magnetic field," R. Zhao, T. Tanttu, K. Y. Tan, B. Hensen, K. W. Chan, J. C. C. Hwang, R. C. C. Leon, C. H. Yang, W. Gilbert, F. E. Hudson, K. M. Itoh, A. A. Kiselev, T. D. Ladd, A. Morello, A. Laucht, and A. S. Dzurak.  Nature Communications, 10, 5500 (2019)

• "Quantifying error and leakage in an encoded Si/SiGe triple-dot qubit," R. W. Andrews, C. Jones, M. D. Reed, A. M. Jones, S. D. Ha, M. P. Jura, J. Kerckhoff, M. Levendorf, S. Meenehan, S. T. Merkel, A. Smith, B. Sun, A. J. Weinstein, M. T. Rakher, T. D. Ladd, and M. G. Borselli. Nature Nanotechnology, 14, 747 (2019)

• "Silicon Qubits," T. D. Ladd. and M. S. Carroll, Encyclopedia of Modern Optics (Second Edition), B. D. Guenther and D. G. Steel, eds., Elsevier, 467 (2018) [preprint]

• "Logical Qubit in a Linear Array of Semiconductor Quantum Dots," C. Jones, M. A. Fogarty, A. Morello, M. F. Gyure, A. S. Dzurak, and T. D. Ladd, Physical Review X 8, 021058 (2018)

• "Integrated silicon qubit platform with single-spin addressability, exchange control and single-shot singlet-triplet readout," M. A. Fogarty, K. W. Chan, B. Hensen, W. Huang, T. Tanttu, C. H. Yang, A. Laucht, M. Veldhorst, F. E. Hudson, K. M. Itoh, D. Culcer, T. D. Ladd, A. Morello, and A. S. Dzurak, Nature Communications, 9, 4370 (2018).

• "Optically Loaded Semiconductor Quantum Memory Register," D. Kim, A. A. Kiselev, R. S. Ross,M. T. Rakher, C. Jones, and T. D. Ladd. Physical Review Applied 5, 024014 (2016)

• "Reduced Sensitivity to Charge Noise in Semiconductor Spin Qubits via Symmetric Operation," M. D. Reed, B. M. Maune, R. W. Andrews, M. G. Borselli, K. Eng, M. P. Jura, A. A. Kiselev, T. D. Ladd, S. T. Merkel, I. Milosavljevic, E. P. Pritchett, M. T. Rakher, R. S. Ross, A. E. Schmitz, A. Smith, J. A. Wright, M. F. Gyure, and A. T. Hunter. Physical Review Letters 116, 110402 (2016)

• "Design and analysis of communication protocols for quantum repeater networks," C. Jones, D. Kim, M. T. Rakher, P. G. Kwiat, and T. D. Ladd. New Journal of Physics 18, 083015 (2016)

• "Isotopically enhanced triple-quantum-dot qubit," K. Eng, T. D. Ladd, A. Smith, M. G. Borselli, A. A. Kiselev, B. H. Fong, K. S. Holabird, T. M. Hazard, B. Huang, P. W. Deelman, I. Milosavljevic, A. E. Schmitz, R. S. Ross, M. F. Gyure, and A. T. Hunter. Science Advances 1, e1500214 (2015)

• "Optical Quantum Dot Qubits," T. D. Ladd, Quantum Information Processing: 44th IFF Spring School,  D4, Ed. David DiVincenzo, Forschungszentrum Juelich GmbH (2013)

• "Listening with quantum dots," T. D. Ladd, Nature Physics 8, 511 (2012)

• "Quantum Dots Tuned for Entanglement," T. D. Ladd, Physics 5, 111 (2012)

• "Hyperfine-induced decay in triple quantum dots," T. D. Ladd, Physical Review B 86, 125408 (2012)

• "Layered Architecture for Quantum Computing," N. C. Jones, R. Van Meter, A. G. Fowler, P. L. McMahon, J. Kim, T. D. Ladd, and Y. Yamamoto, Physical Review X 2, 031007 (2012)

• "Path selection for quantum repeater networks," R. Van Meter, T. Satoh, T. D. Ladd, W. J. Munro, and K. Nemoto, Networking Science 3, 82 (2013)

• "Dynamical decoupling of a qubit with always-on control fields," N. C. Jones, T. D. Ladd, and B. H. Fong, New Journal of Physics 14, 093045 (2012)

• "Entangling Single Photons from Independently Tuned Semiconductor Nanoemitters," K. Sanaka, A. Pawlis, T. D. Ladd, D. J. Sleiter, K. Lischka, and Y. Yamamoto, Nanoletters 12, 4611 (2012)

• "Coherent singlet-triplet oscillations in a silicon-based double quantum dot," B. M. Maune, M. G. Borselli, B. Huang, T. D. Ladd, P. W. Deelman, K. S. Holabird, A. A. Kiselev, I. Alvarado-Rodriguez, R. S. Ross, A. E. Schmitz, M. Sokolich, C. A. Watson, M. F. Gyure, and A. T. Hunter, Nature 481, 344 (2012)

• "Ultrafast coherent control and suppressed nuclear feedback of a single quantum dot hole qubit," K. De Greve, P. L. McMahon, D. Press, T. D. Ladd, D. Bisping, C. Schneider, M. Kamp, L. Worschech, S. Höfling, A. Forchel, and Y. Yamamoto, Nature Physics 7, 872 (2011)

• "Simple quantum logic gate with quantum dot cavity QED systems," T. D. Ladd and Y. Yamamoto, Physical Review B 84, 235307 (2011)

• "Quantum Computers," T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, Nature 464, 45 (2010)

• "Pulsed Nuclear Pumping and Spin Diffusion in a Single Charged Quantum Dot," T. D. Ladd, D. Press, K. De Greve, P. L. McMahon, B. Friess, C. Schneider, M. Kamp, S. Höfling, A. Forchel, and Y. Yamamoto, Physical Review Letters 105, 107401 (2010)

Also: "Nuclear feedback in a single electron-charged quantum dot under pulsed optical control," T. D. Ladd, D. Press, K. De Greve, P. L. McMahon, B. Friess, C. Schneider, M. Kamp, S. Höfling, A. Forchel, and Y. Yamamoto, Proceedings of the SPIE 7948, 79480U (2011)

• "Ultrafast optical spin echo in a single quantum dot," D. Press, K. De Greve, P. L. McMahon, T. D. Ladd, B. Friess, C. Schneider, M. Kamp, S. Höfling, A. Forchel, and Y. Yamamoto, Nature Photonics 4, 367 (2010)

Also: “Experimental approach to ultrafast optical spin echo of a single quantum dot electron spin,” K. De Greve, D. Press, T. D. Ladd, B. Friess, P. L. McMahon, C. Schneider, M. Kamp, S. Höfling, A. Forchel, Y. Yamamoto, Proceedings of the SPIE 7611, 76110K (2010)

• "Surface Code Quantum Communication," A. G. Fowler, D. S. Wang, C. D. Hill, T. D. Ladd, R. Van Meter, and L. C. L. Hollenberg, Physical Review Letters 104, 180503 (2010)

• "Distributed Quantum Computer Architecture Using Semiconductor Nanophotonics," R. Van Meter, T. D. Ladd, A. G. Fowler, and Y. Yamamoto, International Journal of Quantum Information 8, 295 (2010)

• "Indistinguishable photons from independent semiconductor nanostructures," K. Sanaka, A. Pawlis, T. D. Ladd, K. Lischka, and Y. Yamamoto, Physical Review Letters 103, 053601 (2010)

Also: “Quantum interference between photons emitted by independent semiconductor single-photon devices”, K. Sanaka, A. Pawlis, T. D. Ladd, K. Lischka, and Y. Yamamoto, Proceedings of the SPIE 7225, 72250I (2009)

• "Fluorine-doped ZnSe for applications in quantum information processing," T. D. Ladd, K. Sanaka, Y. Yamamoto, A. Pawlis, and K. Lischka, Physica Status Solidi B 247, 1543 (2010)

• “Photon antibunching and magnetospectroscopy of a single fluorine donor in ZnSe,” K. De Greve, S. M. Clark, D. Sleiter, K. Sanaka, T. D. Ladd, M. Panfilova, A. Pawlis, K. Lischka, and Y. Yamamoto, Applied Physics Letters 97, 241913 (2010)

• "Quantum Hall charge sensor for single-donor nuclear spin detection in silicon," D. Sleiter, N. Y. Kim, K. Nozawa, T. D. Ladd, M. L. W. Thewalt and Y. Yamamoto, New Journal of Physics 12, 093028 (2010)

• "Simultaneous sub-second hyperpolarization of the nuclear and electron spins of phosphorus in silicon by optical pumping of exciton transitions," A. Yang, M. Steger, T. Sekiguchi, M. L. W. Thewalt, T. D. Ladd, K. M. Itoh, H. Riemann, N. V. Abrosimov, P. Becker, and H.-J. Pohl, Physical Review Letters 102, 257401 (2009)

Also: “Nuclear polarization of phosphorus donors in 28Si by selective optical pumping,” A. Yang, M. Steger, M. L. W. Thewalt, T. D. Ladd, K. M. Itoh, E. E. Haller, J. W. Ager III, H. Riemann, N. V. Abrosimov, P. Becker, and H.-J. Pohl, AIP Conference Proceedings 1199, 375 (2009)

• "In-plane electronic anisotropy in underdoped Ba(Fe1−xCox)2As2 revealed by partial detwinning in a magnetic field", J.-H. Chu, J. G. Analytis, D. Press, K. De Greve, T. D. Ladd, Y. Yamamoto, and I. R. Fisher, Physical Review B 81, 214502 (2010)

• "Ultrafast optical spin echo for electron spins in semiconductors," S. M. Clark, K.-M. C. Fu, Q. Zhang, T. D. Ladd, C. Stanley, and Y. Yamamoto, Physical Review Letters 102, 247601 (2009)

Also: “Spin echo of electron spins in semiconductors using ultrafast, small-angle, optical pulses,” S. M. Clark, K.-M. C. Fu, Q. Zhang, T. D. Ladd, C. Stanley, and Y. Yamamoto, Proceedings of the SPIE 7611, 76110J (2010)

• "High-speed quantum repeaters and quantum computers with optically controlled spins in semiconductors," T. D. Ladd, K. Sanaka, K.-M. C. Fu, S. Koseki, D. Press, S. M. Clark, K. De Greve, and Y. Yamamoto, in Semiconductor Quantum Bits, Eds. O. Benson and F. Henneberger, p. 453 (2009)

• "Optically controlled semiconductor spin qubits for quantum information processing," Y. Yamamoto, T. D. Ladd, D. Press, S. Clark, K. Sanaka, C. Santori, D. Fattal, K.-M. Fu, S. Höfling, S. Reitzenstein, and A. Forchel, Physica Scripta T37, 014010 (2009)

• "Complete quantum control of a single quantum dot spin using ultrafast optical pulses," D. Press, T. D. Ladd, B. Zhang, and Y. Yamamoto, Nature 456, 218 (2008)

Also: “Complete coherent control of a single electron spin in a quantum dot using ultrafast optical pulses,” D. Press, T. D. Ladd, B. Zhang, and Y. Yamamoto, Proceedings of the SPIE 7225, 722503 (2009)

• "Architecture-Dependent Execution Time of Shor's Algorithm," R. Van Meter, K. M. Itoh, and T. D. Ladd, in Controllable Quantum States: Mesoscopic Superconductivity & Spintronics, Eds. H. Takayanagi, J. Nitta, and H. Nakano, p. 183 (2008)

• "Quantum computers based on electron spins controlled by ultrafast off-resonant single optical pulses," S. M. Clark, K.-M. C. Fu, T. D. Ladd, and Y. Yamamoto, Physical Review Letters 99, 40501 (2007)

• "System design for a long-line quantum repeater," R. Van Meter, T. D. Ladd, W. J. Munro, and Kae Nemoto, IEEE/ACM Transactions on Networking 17, 1002 (2009)

• "Lasing of donor-bound excitons in ZnSe microdisks," A. Pawlis, M. Panfilova, D. J. As, K. Lischka, K. Sanaka, T. D. Ladd, and Y. Yamamoto, Physical Review B 77, 153304 (2008)

Also: "Low-threshold ZnSe microdisk laser based on fluorine impurity bound-exciton transitions," A. Pawlis, M. Panfilova, K. Sanaka, T. D. Ladd, D. J. As, K. Lischka, Y. Yamamoto, Microelectronics Journal 40(2),256 (2009)

• "Hybrid Quantum Computation in Quantum Optics," P. van Loock, W. J. Munro, Kae Nemoto, T. P. Spiller, T. D. Ladd, S. L. Braunstein and G. J. Milburn, Physical Review A 78, 022303 (2008)

• "Hybrid quantum repeater based on dispersive CQED interactions between matter qubits and bright coherent light," T. D. Ladd, P. van Loock, K. Nemoto, W. J. Munro, and Y. Yamamoto, New Journal of Physics 8, 184 (2006)

• "Hybrid quantum repeater using bright coherent light," P. van Loock, T. D. Ladd, K. Sanaka, F. Yamaguchi, Kae Nemoto, W. J. Munro, and Y. Yamamoto, Physical Review Letters 96, 240501 (2006)

• "Coherence time of decoupled nuclear spins in silicon," T. D. Ladd, D. Maryenko, Y. Yamamoto, E. Abe, and K. M. Itoh, Physical Review B 71, 014401 (2005)

• "Photocurrent-modulated optical nuclear polarization in bulk GaAs," A. K. Paravastu, P. J. Coles, J. A. Reimer, T. D. Ladd, and R. S. Maxwell, Applied Physics Letters 87, 232109 (2005)

• "Multispin dynamics of the solid-state NMR free induction decay," H. Cho, T. D. Ladd, J. Baugh, D. G. Cory, and C. Ramanathan, Physical Review B 72, 54427 (2005)

• "Optical detection of the spin state of a single nucleus in silicon," K.-M. C. Fu, T. D. Ladd, C. Santori, and Y. Yamamoto, Physical Review B 69, 125306 (2004)

• "All-silicon quantum computer," T. D. Ladd, J. R. Goldman, F. Yamaguchi, Y. Yamamoto, E. Abe, and K. M. Itoh, Physical Review Letters 89, 17901 (2002)

Also: "Solid-State Silicon NMR Quantum Computer," E. Abe, and K. M. Itoh, T. D. Ladd, J. R. Goldman, F. Yamaguchi, and Y. Yamamoto, Journal of Superconductivity: Incorporating Novel Magnetism 16(1), (2003)

• "Solid-state crystal lattice NMR quantum computation," T. D. Ladd, Y. Yamamoto, J. R. Goldman, and F. Yamaguchi, Quantum Information and Computation 1, 56 (2001)

  • Also in Experimental Quantum Computation and Information: Proceedings of the CXLVIII Course of the International School of Physics "Enrico Fermi," IOS Press, Amsterdam (2002)

Also: “Quantum computation in a one-dimensional crystal lattice with nuclear magnetic resonance force microscopy,” J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, Proceedings of the 15th International Conference on Laser Spectroscopy, 333 (2002)

• "Decoherence in crystal lattice quantum computation," T. D. Ladd, J. R. Goldman, F. Yamaguchi, and Y. Yamamoto, Appl. Phys. A 71, 27 (2000)

• "Magnet designs for a crystal lattice quantum computer," J. R. Goldman, T. D. Ladd, F. Yamaguchi, and Y. Yamamoto, Appl. Phys. A 71, 11 (2000)

• "Nonlinear AC response and noise of a giant magnetoresistive sensor," J. R. Petta, Thaddeus Ladd, and M. B. Weissman, IEEE Transactions on Magnetics 36, 2057 (2000)

• "Knots in the æther: Theories of matter in the past and present," Thaddeus Ladd, Interface Journal 17, 3 (2000)

• "A model for arbitrary plane imaging, or the brain in pain falls mainly on the plane," Jeff Miller, Dylan Helliwell, and Thaddeus Ladd, The UMAP Journal 19(3), 223 (1998)