All Outputs (71)

Emergence and control of complex behaviors in driven systems of interacting qubits with dissipation (2021)
Journal Article
Andreev, A. V., Balanov, A. G., Fromhold, T. M., Greenaway, M. T., Hramov, A. E., Li, W., …Zagoskin, A. M. (2021). Emergence and control of complex behaviors in driven systems of interacting qubits with dissipation. npj Quantum Information, 7(1), Article 1. https://doi.org/10.1038/s41534-020-00339-1

Progress in the creation of large scale, artificial quantum coherent structures demands the investigation of their nonequilibrium dynamics when strong interactions, even between remote parts, are non-perturbative. Analysis of multiparticle quantum co... Read More about Emergence and control of complex behaviors in driven systems of interacting qubits with dissipation.

Self-Induced Transparency in Warm and Strongly Interacting Rydberg Gases (2020)
Journal Article
Bai, Z., Adams, C. S., Huang, G., & Li, W. (2020). Self-Induced Transparency in Warm and Strongly Interacting Rydberg Gases. Physical Review Letters, 125(26), Article 263605. https://doi.org/10.1103/PhysRevLett.125.263605

We study dispersive optical nonlinearities of short pulses propagating in high number density, warm atomic vapors where the laser resonantly excites atoms to Rydberg P states via a single-photon transition. Three different regimes of the light-atom i... Read More about Self-Induced Transparency in Warm and Strongly Interacting Rydberg Gases.

Nonlinear dynamics of Rydberg-dressed Bose-Einstein condensates in a triple-well potential (2020)
Journal Article
McCormack, G., Nath, R., & Li, W. (2020). Nonlinear dynamics of Rydberg-dressed Bose-Einstein condensates in a triple-well potential. Physical Review A, 102(6), Article 063329. https://doi.org/10.1103/PhysRevA.102.063329

We study nonlinear dynamics of Rydberg-dressed Bose-Einstein condensates (BECs) trapped in a triple-well potential in the semiclassical limit. The Rydberg-dressed BECs experience a long-range soft-core interaction, giving rise to strong nearest- and... Read More about Nonlinear dynamics of Rydberg-dressed Bose-Einstein condensates in a triple-well potential.

Optimized geometric quantum computation with a mesoscopic ensemble of Rydberg atoms (2020)
Journal Article
Guo, C., Yan, L., Zhang, S., Su, S., & Li, W. (2020). Optimized geometric quantum computation with a mesoscopic ensemble of Rydberg atoms. Physical Review A, 102(4), Article 042607. https://doi.org/10.1103/physreva.102.042607

We propose a nonadiabatic non-Abelian geometric quantum operation scheme to realize universal quantum computation with mesoscopic Rydberg atoms. A single control atom entangles a mesoscopic ensemble of target atoms through long-range interactions bet... Read More about Optimized geometric quantum computation with a mesoscopic ensemble of Rydberg atoms.

Long-Range Multibody Interactions and Three-Body Antiblockade in a Trapped Rydberg Ion Chain (2020)
Journal Article
Gambetta, F. M., Zhang, C., Hennrich, M., Lesanovsky, I., & Li, W. (2020). Long-Range Multibody Interactions and Three-Body Antiblockade in a Trapped Rydberg Ion Chain. Physical Review Letters, 125(13), https://doi.org/10.1103/physrevlett.125.133602

Trapped Rydberg ions represent a flexible platform for quantum simulation and information processing which combines a high degree of control over electronic and vibrational degrees of freedom. The possibility to individually excite ions to high-lying... Read More about Long-Range Multibody Interactions and Three-Body Antiblockade in a Trapped Rydberg Ion Chain.

Dynamical excitation of maxon and roton modes in a Rydberg-dressed Bose-Einstein condensate (2020)
Journal Article
McCormack, G., Nath, R., & Li, W. (2020). Dynamical excitation of maxon and roton modes in a Rydberg-dressed Bose-Einstein condensate. Physical Review A, 102(2), https://doi.org/10.1103/physreva.102.023319

We investigate the dynamics of a three-dimensional Bose-Einstein condensate of ultracold atomic gases with a soft-core shape long-range interaction, which is induced by laser dressing the atoms to a highly excited Rydberg state. For a homogeneous con... Read More about Dynamical excitation of maxon and roton modes in a Rydberg-dressed Bose-Einstein condensate.

Structural phase transitions of optical patterns in atomic gases with microwave-controlled Rydberg interactions (2020)
Journal Article
Shi, Z., Li, W., & Huang, G. (2020). Structural phase transitions of optical patterns in atomic gases with microwave-controlled Rydberg interactions. Physical Review A, 102(2), https://doi.org/10.1103/physreva.102.023519

Spontaneous symmetry breaking and formation of self-organized structures in nonlinear systems are intriguing and important phenomena in nature. Advancing such research to new nonlinear optical regimes is of much interest for both fundamental physics... Read More about Structural phase transitions of optical patterns in atomic gases with microwave-controlled Rydberg interactions.

Submicrosecond entangling gate between trapped ions via Rydberg interaction (2020)
Journal Article
Zhang, C., Pokorny, F., Hennrich, M., Li, W., Lesanovsky, I., Higgins, G., & Pöschl, A. (2020). Submicrosecond entangling gate between trapped ions via Rydberg interaction. Nature, 580(7803), 345-349. https://doi.org/10.1038/s41586-020-2152-9

© 2020, The Author(s), under exclusive licence to Springer Nature Limited. Generating quantum entanglement in large systems on timescales much shorter than the coherence time is key to powerful quantum simulation and computation. Trapped ions are amo... Read More about Submicrosecond entangling gate between trapped ions via Rydberg interaction.

Many-Body Chiral Edge Currents and Sliding Phases of Atomic Spin Waves in Momentum-Space Lattice (2020)
Journal Article
Li, Y., Cai, H., Wang, D., Li, L., Yuan, J., & Li, W. (2020). Many-Body Chiral Edge Currents and Sliding Phases of Atomic Spin Waves in Momentum-Space Lattice. Physical Review Letters, 124(14), https://doi.org/10.1103/physrevlett.124.140401

Collective excitations (spinwaves) of long-lived atomic hyperfine states can be synthesized into a Bose-Hubbard model in momentum space. We explore many-body ground states and dynamics of a two-leg momentum-space lattice formed by two coupled hyperfi... Read More about Many-Body Chiral Edge Currents and Sliding Phases of Atomic Spin Waves in Momentum-Space Lattice.

Electromagnetically induced transparency of interacting Rydberg atoms with two-body dephasing (2020)
Journal Article
Yan, D., Wang, B., Bai, Z., & Li, W. (2020). Electromagnetically induced transparency of interacting Rydberg atoms with two-body dephasing. Optics Express, 28(7), 9677-9689. https://doi.org/10.1364/OE.389247

We study electromagnetically induced transparency in a three-level ladder type configuration in ultracold atomic gases, where the upper level is an electronically highly excited Rydberg state. An effective distance dependent two-body dephasing can be... Read More about Electromagnetically induced transparency of interacting Rydberg atoms with two-body dephasing.

Phase synchronization in coupled bistable oscillators (2020)
Journal Article
Jessop, M. R., Li, W., & Armour, A. D. (2020). Phase synchronization in coupled bistable oscillators. Physical Review Research, 2(1), Article 013233. https://doi.org/10.1103/physrevresearch.2.013233

We introduce a simple model system to study synchronization theoretically in quantum oscillators that are not just in limit-cycle states, but rather display a more complex bistable dynamics. Our oscillator model is purely dissipative, with a two-phot... Read More about Phase synchronization in coupled bistable oscillators.

Engineering non-binary Rydberg interactions via electron-phonon coupling (2020)
Journal Article
Gambetta, F. M., Li, W., Schmidt-Kaler, F., & Lesanovsky, I. (2020). Engineering non-binary Rydberg interactions via electron-phonon coupling. Physical Review Letters, 124(4), https://doi.org/10.1103/PhysRevLett.124.043402

Coupling electronic and vibrational degrees of freedom of Rydberg atoms held in optical tweezers arrays offers a flexible mechanism for creating and controlling atom-atom interactions. We find that the state-dependent coupling between Rydberg atoms a... Read More about Engineering non-binary Rydberg interactions via electron-phonon coupling.

Highly efficient vortex four-wave mixing in asymmetric semiconductor quantum wells (2020)
Journal Article
Qiu, J., Wang, Z., Ding, D., Li, W., & Yu, B. (2020). Highly efficient vortex four-wave mixing in asymmetric semiconductor quantum wells. Optics Express, 28(3), 2975-2986. https://doi.org/10.1364/OE.379245

© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement Orbital angular momentum (OAM) is an important property of vortex light, which provides a valuable tool to manipulate the light-matter interaction in the st... Read More about Highly efficient vortex four-wave mixing in asymmetric semiconductor quantum wells.

Quench dynamics of Rydberg-dressed bosons on two-dimensional square lattices (2020)
Journal Article
Zhou, Y., Li, Y., Nath, R., & Li, W. (2020). Quench dynamics of Rydberg-dressed bosons on two-dimensional square lattices. Physical Review A, 101(1), https://doi.org/10.1103/physreva.101.013427

We study dynamics of bosonic atoms on a two dimensional square lattice, where atomic interactions are long ranged with either a box or soft-core shape. The latter can be realized through laser dressing ground state atoms to electronically excited Ryd... Read More about Quench dynamics of Rydberg-dressed bosons on two-dimensional square lattices.

Shuttling of Rydberg ions for fast entangling operations (2019)
Journal Article
VOGEL, J., LI, W., MOKHBERI, A., LESANOVSKY, I., & SCHMIDT-KALER, F. (2019). Shuttling of Rydberg ions for fast entangling operations. Physical Review Letters, 123(15), https://doi.org/10.1103/PhysRevLett.123.153603

We introduce a scheme to entangle Rydberg ions in a linear ion crystal, using the high electric polarizability of the Rydberg electronic states in combination with mutual Coulomb coupling of ions that establishes common modes of motion. After laser i... Read More about Shuttling of Rydberg ions for fast entangling operations.

Nonlinear light diffraction by electromagnetically induced gratings with PT symmetry in a Rydberg atomic gas (2019)
Journal Article
Hang, C., Li, W., & Huang, G. (2019). Nonlinear light diffraction by electromagnetically induced gratings with PT symmetry in a Rydberg atomic gas. Physical Review A, 100(4), 1-13. https://doi.org/10.1103/physreva.100.043807

Understanding and manipulating the non-Hermitian optical property based on coherent atomic gases is of great importance and has attracted much theoretical and experimental attentions. Advancing this study to the nonlinear optics regime is highly desi... Read More about Nonlinear light diffraction by electromagnetically induced gratings with PT symmetry in a Rydberg atomic gas.

Stable single light bullets and vortices and their active control in cold Rydberg gases (2019)
Journal Article
Bai, Z., Li, W., & Huang, G. (2019). Stable single light bullets and vortices and their active control in cold Rydberg gases. Optica, 6(3), 309-317. https://doi.org/10.1364/OPTICA.6.000309

Realizing single light bullets and vortices that are stable in high dimensions is a long-standing goal in the study of nonlinear optical physics. On the other hand, the storage and retrieval of such stable high dimensional optical pulses may offer a... Read More about Stable single light bullets and vortices and their active control in cold Rydberg gases.

Devil's staircases without particle-hole symmetry (2018)
Journal Article
Lan, Z., Lesanovsky, I., & Li, W. (2018). Devil's staircases without particle-hole symmetry. Physical Review B, 97, https://doi.org/10.1103/PhysRevB.97.075117

We present and analyze spin models with long-range interactions whose ground state features a so-called devil’s staircase and where plateaus of the staircase are accessed by varying two-body interactions. This is in contrast to the canonical devil’s... Read More about Devil's staircases without particle-hole symmetry.

Supersolidity of lattice bosons immersed in strongly correlated Rydberg dressed atoms (2018)
Journal Article
Li, Y., Gei?ler, A., Hofstetter, W., & Li, W. (2018). Supersolidity of lattice bosons immersed in strongly correlated Rydberg dressed atoms. Physical Review A, 97(2), Article 023619. https://doi.org/10.1103/PhysRevA.97.023619

Recent experiments have illustrated that long range two-body interactions can be induced by laser coupling atoms to highly excited Rydberg states. Stimulated by this achievement, we study supersolidity of lattice bosons in an experimentally relevant... Read More about Supersolidity of lattice bosons immersed in strongly correlated Rydberg dressed atoms.

Metastable decoherence-free subspaces and electromagnetically induced transparency in interacting many-body systems (2017)
Journal Article
Macieszczak, K., Zhou, Y., Hofferberth, S., Garrahan, J. P., Li, W., & Lesanovsky, I. (2017). Metastable decoherence-free subspaces and electromagnetically induced transparency in interacting many-body systems. Physical Review A, 96(4), Article 043860. https://doi.org/10.1103/PhysRevA.96.043860

We investigate the dynamics of a generic interacting many-body system under conditions of electromagnetically induced transparency (EIT). This problem is of current relevance due to its connection to non-linear optical media realized by Rydberg atoms... Read More about Metastable decoherence-free subspaces and electromagnetically induced transparency in interacting many-body systems.