Items where Author is "Ruostekoski, Janne"

Mitra, Chirantan and Madasu, Chetan Sriram and Gabardos, Lucas and Kwong, Chang Chi and Shen, Yijie and Ruostekoski, Janne and Wilkowski, David (2025) Topological optical skyrmion transfer to matter. APL Photonics, 10 (4): 046113. ISSN 2378-0967

Ruostekoski, Janne (2025) Superradiant phase transition in a large interacting driven atomic ensemble in free space. Optica Quantum, 3 (1). pp. 15-21.

Ruks, Lewis and Ballantine, Kyle and Ruostekoski, Janne (2025) Negative refraction of light in an atomic medium. Nature Communications, 16 (1433): 1433. ISSN 2041-1723

Bean, Gabriel and Ruostekoski, Janne and Drummond, Neil (2024) Cooperative optics of low-dimensional clouds of dipolar atoms. PhD thesis, Lancaster University.

Bean, Gabriel and Drummond, Neil and Ruostekoski, Janne (2024) Propagation of light in cold emitter ensembles with quantum position correlations due to static long-range dipolar interactions. Physical Review Research, 6 (1): 013078. ISSN 2643-1564

Baio, Giuseppe and Wheeler, Matthew T. and Hall, D. S. and Ruostekoski, Janne and Borgh, Magnus O. (2024) Topological interfaces crossed by defects and textures of continuous and discrete point group symmetries in spin-2 Bose-Einstein condensates. Physical Review Research, 6 (1): 013046. ISSN 2643-1564

Jayaseelan, Maitreyi and Murphree, Joseph D. and Schultz, Justin T. and Ruostekoski, Janne and Bigelow, Nicholas P. (2024) Topological atom optics and beyond with knotted quantum wavefunctions. Communications Physics, 7: 7. ISSN 2399-3650

Parmee, Christopher and Ruostekoski, Janne (2023) Cooperative optical pattern formation in an ultrathin atomic layer. Optics Express, 31 (25): 42046. ISSN 1094-4087

Ruostekoski, Janne (2023) Cooperative quantum-optical planar arrays of atoms. Physical Review A - Atomic, Molecular, and Optical Physics, 108 (3): 030101. ISSN 1050-2947

Parmee, Christopher and Ballantine, Kyle and Ruostekoski, Janne (2022) Spontaneous symmetry breaking in frustrated triangular atom arrays due to cooperative light scattering. Physical Review Research, 4 (4): 043039. ISSN 2643-1564

Ballantine, Kyle and Wilkowski, David and Ruostekoski, Janne (2022) Optical magnetism and wavefront control by arrays of strontium atoms. Physical Review Research, 4 (3): 033242. ISSN 2643-1564

Ballantine, Kyle and Ruostekoski, Janne (2022) Unidirectional absorption, storage, and emission of single photons in a collectively responding bilayer atomic array. Physical Review Research, 4 (3): 033200. ISSN 2643-1564

Xiao, Y. and Borgh, Magnus O. and Blinova, A. and Ollikainen, T. and Ruostekoski, Janne and Hall, D. S. (2022) Topological superfluid defects with discrete point group symmetries. Nature Communications, 13 (1): 4635. ISSN 2041-1723

Parmee, Christopher and Dennis, Mark R. and Ruostekoski, Janne (2022) Optical excitations of Skyrmions, knotted solitons, and defects in atoms. Communications Physics, 5 (1): 54. ISSN 2399-3650

Ballantine, Kyle and Ruostekoski, Janne (2021) Quantum Single-Photon Control, Storage, and Entanglement Generation with Planar Atomic Arrays. PRX Quantum, 2 (4): 040362.

Sugic, Danica and Droop, Ramon and Otte, Eileen and Ehrmanntraut, Daniel and Nori, Franco and Ruostekoski, Janne and Denz, Cornelia and Dennis, Mark R. (2021) Particle-like topologies in light. Nature Communications, 12: 6785. ISSN 2041-1723

Ballantine, Kyle and Ruostekoski, Janne (2021) Cooperative optical wavefront engineering with atomic arrays. Nanophotonics, 10 (7). pp. 1901-1909. ISSN 2192-8614

Parmee, Christopher and Ruostekoski, Janne (2021) Bistable optical transmission through arrays of atoms in free space. Physical Review A - Atomic, Molecular, and Optical Physics, 103 (3): 033706. ISSN 2469-9926

Xiao, Y and Borgh, M. O. and Weiss, L. S. and Blinova, A. and Ruostekoski, Janne and Hall, D. S. (2021) Controlled Creation and Decay of Singly-Quantized Vortices in a Polar Magnetic Phase. Communications Physics, 4: 52. ISSN 2399-3650

Ballantine, Kyle and Ruostekoski, Janne (2021) Parity-time symmetry and coherent perfect absorption in a cooperative atom response. Nanophotonics, 10 (2). pp. 1357-1366. ISSN 2192-8614

Rips, Konstantin and Ruostekoski, Janne (2021) Topological Light–Matter Design : Simulations in Polariton Profiles and Ultracold Atom Systems. Masters thesis, Lancaster University.

Parmee, Christopher and Ruostekoski, Janne (2020) Signatures of optical phase transitions in superradiant and subradiant atomic arrays. Communications Physics, 3: 205. ISSN 2399-3650

Ballantine, Kyle and Ruostekoski, Janne (2020) Optical magnetism and Huygens' surfaces in arrays of atoms induced by cooperative responses. Physical review letters, 125: 143604. ISSN 1079-7114

Pickup, Lucy and Sigurdsson, Helgi and Ruostekoski, Janne and Lagoudakis, Pavlos (2020) Synthetic band-structure engineering in polariton crystals with non-Hermitian topological phases. Nature Communications, 11: 4431. ISSN 2041-1723

Bettles, Robert J. and Lee, Mark D. and Gardiner, Simon A. and Ruostekoski, Janne (2020) Quantum and Nonlinear Effects in Light Transmitted through Planar Atomic Arrays. Communications Physics, 3: 141. ISSN 2399-3650

Williamson, Lewis and Borgh, Magnus O. and Ruostekoski, Janne (2020) Superatom Picture of Collective Nonclassical Light Emission and Dipole Blockade in Atom Arrays. Physical review letters, 125 (7): 073602. ISSN 0031-9007

Ballantine, Kyle and Ruostekoski, Janne (2020) Radiative Toroidal Dipole and Anapole Excitations in Collectively Responding Arrays of Atoms. Physical review letters, 125 (6): 063201. ISSN 1079-7114

Williamson, Lewis and Ruostekoski, Janne (2020) Optical response of atom chains beyond the limit of low light intensity: The validity of the linear classical oscillator model. Physical Review Research, 2 (2): 023273. ISSN 2643-1564

Ballantine, Kyle and Ruostekoski, Janne (2020) Subradiance-protected excitation spreading in the generation of collimated photon emission from an atomic array. Physical Review Research, 2 (2): 023086. ISSN 2643-1564

Machluf, Shimon and Naber, Julian B and Soudijn, Maarten L and Ruostekoski, Janne and Spreeuw, Robert C J (2019) Collective suppression of optical hyperfine pumping in dense clouds of atoms in microtraps. Physical review a, 100 (5): 051801(R). ISSN 1050-2947

Weiss, L. S. and Borgh, M. O. and Blinova, A. and Ollikainen, T. and Mottonen, M. and Ruostekoski, Janne and Hall, D. S. (2019) Controlled creation of a singular spinor vortex by circumventing the Dirac belt trick. Nature Communications, 10 (1): 4772. p. 4772. ISSN 2041-1723

Watson, Derek W. and Jenkins, Stewart D. and Fedotov, Vassili A. and Ruostekoski, Janne (2019) Point-dipole approximation for small systems of strongly coupled radiating nanorods. Scientific Reports, 9: 5707. ISSN 2045-2322

Papasimakis, Nikitas and Jenkins, Stewart D. and Savo, Salvatore and Zheludev, Nikolay I. and Ruostekoski, Janne (2019) Cooperative field localization and excitation eigenmodes in disordered metamaterials. Physical Review B: Condensed Matter and Materials Physics, 99 (1): 014210. 014210-1-12. ISSN 2469-9950

Jenkins, Stewart D. and Papasimakis, Nikitas and Savo, Salvatore and Zheludev, Nikolay I. and Ruostekoski, Janne (2018) Strong interactions and subradiance in disordered metamaterials. Physical Review B: Condensed Matter and Materials Physics, 98 (12): 245136. ISSN 2469-9950

Facchinetti, G. and Ruostekoski, Janne (2018) Interaction of light with planar lattices of atoms : Reflection, transmission, and cooperative magnetometry. Physical review a, 97 (2): 023833. ISSN 2469-9926

Javanainen, Juha and Ruostekoski, Janne and Li, Yi and Yoo, Sung-Mi (2017) Exact electrodynamics versus standard optics for a slab of cold dense gas. Physical review a, 96 (9): 033835. ISSN 1050-2947

Ruostekoski, Janne and Javanainen, Juha (2017) Arrays of strongly-coupled atoms in a one-dimensional waveguide. Physical review a, 96 (3): 033857. ISSN 1050-2947

Lee, Mark D. and Jenkins, Stewart D. and Bronstein, Yael and Ruostekoski, Janne (2017) Stochastic electrodynamics simulations for collective atom response in optical cavities. Physical review a, 96 (8): 023855. ISSN 1050-2947

Jenkins, Stewart and Ruostekoski, Janne and Papasimakis, Nikitas and Savo, Salvatore and Zheludev, Nikolai (2017) Many-body subradiant excitations in metamaterial arrays : experiment and theory. Physical review letters, 119 (5-4): 053901. ISSN 1079-7114

Watson, Derek W. and Jenkins, Stewart D. and Ruostekoski, Janne (2017) Point dipole and quadrupole scattering approximation to collectively responding resonator systems. Physical review B, 96 (3): 035403. ISSN 2469-9969

Borgh, Magnus O. and Lovegrove, Justin and Ruostekoski, Janne (2017) Internal structure and stability of vortices in a dipolar spinor Bose-Einstein condensate. Physical review a, 95 (5): 053601. ISSN 1050-2947

Borgh, Magnus O. and Ruostekoski, Janne (2016) Core structure and non-Abelian reconnection of defects in a biaxial nematic spin-2 Bose-Einstein condensate. Physical review letters, 117: 275302. ISSN 1079-7114

Ruostekoski, Janne and Javanainen, Juha (2016) Emergence of correlated optics in one-dimensional waveguides for classical and quantum atomic gases. Physical review letters, 117: 143602. ISSN 1079-7114

Cilibrizzi, Pasquale and Sigurdsson, Helgi and Liew, Timothy and Ohadi, Hamid and Askitopoulos, Alexis and Brodbeck, Sebastian and Schneider, Christian and Shelykh, Ivan and Hofling, Sven and Ruostekoski, Janne and Lagoudakis, Pavlos (2016) Half-skyrmion spin textures in polariton microcavities. Physical review B, 94 (4): 045315. ISSN 1550-235X

Lee, Mark D. and Jenkins, Stewart D. and Ruostekoski, Janne (2016) Stochastic methods for light propagation and recurrent scattering in saturated and nonsaturated atomic ensembles. Physical review a, 93 (6): 063803-1. ISSN 1050-2947

Papasimakis, Nikitas and Jenkins, Stewart and Fedotov, Vassili and Pinheiro, Felipe and Ruostekoski, Janne and Zheludev, Nikolai (2016) Multiple scattering and co-operative response in periodic and disordered metamaterials. In: Theo Murphy international scientific meeting, 2016-05-23 - 2016-05-24.

Lovegrove, Justin and Borgh, Magnus and Ruostekoski, Janne (2016) Stability and internal structure of vortices in spin-1 Bose-Einstein condensates with conserved magnetization. Physical review a, 93 (3): 33633. ISSN 1050-2947

Watson, Derek W. and Jenkins, Stewart D. and Ruostekoski, Janne and Fedotov, Vassili A. and Zheludev, Nikolay I. (2016) Toroidal dipole excitations in metamolecules formed by interacting plasmonic nanorods. Physical review B, 93: 125420. ISSN 1550-235X

Borgh, Magnus O. and Nitta, Muneto and Ruostekoski, Janne (2016) Stable core symmetries and confined textures for a vortex line in a Spinor Bose-Einstein condensate. Physical review letters, 116 (8): 085301. ISSN 1079-7114

Javanainen, Juha and Ruostekoski, Janne (2016) Light propagation beyond the mean-field theory of standard optics. Optics Express, 24 (2). pp. 993-1001. ISSN 1094-4087

Lee, Mark and Ruostekoski, Janne (2015) Cavity quantum electrodynamics of continuously monitored Bose-condensed atoms. Atoms, 3 (3). pp. 450-473. ISSN 2218-2004

Cordobes Aguilar, Francisco and Ho, Andrew F. and Ruostekoski, Janne (2014) Optical signatures of antiferromagnetic ordering of fermionic atoms in an optical lattice. Physical review a, 4 (3): 031036. ISSN 1050-2947

Lee, Mark D. and Ruostekoski, Janne (2014) Classical stochastic measurement trajectories : Bosonic atomic gases in an optical cavity and quantum measurement backaction. Physical review a, 90 (2): 023628. ISSN 1050-2947

Borgh, Magnus O. and Lovegrove, Justin and Ruostekoski, Janne (2014) Imprinting a topological interface using Zeeman shifts in an atomic spinor Bose–Einstein condensate. New Journal of Physics, 16: 053046. ISSN 1367-2630

Javanainen, Juha and Ruostekoski, Janne and Li, Yi and Yoo, Sung-Mi (2014) Shifts of a resonance line in a dense atomic sample. Physical review letters, 112 (11): 113603. ISSN 1079-7114

Lovegrove, Justin and Borgh, Magnus O. and Ruostekoski, Janne (2014) Energetic stability of coreless vortices in Spin-1 Bose-Einstein condensates with conserved magnetization. Physical review letters, 112 (7): 075301. ISSN 1079-7114

Borgh, Magnus O. and Ruostekoski, Janne (2013) Topological interface physics of defects and textures in spinor Bose-Einstein condensates. Physical review a, 87 (3): 033617. ISSN 1050-2947

Javanainen, Juha and Ruostekoski, Janne (2013) Emergent classicality in continuous quantum measurements. New Journal of Physics, 15 (1): 013005. ISSN 1367-2630

Jenkins, Stewart D. and Ruostekoski, Janne (2012) Resonance linewidth and inhomogeneous broadening in a metamaterial array. Physical review B, 86 (20): 205128. ISSN 1550-235X

Jenkins, Stewart D. and Ruostekoski, Janne (2012) Controlled manipulation of light by cooperative response of atoms in an optical lattice. Physical review a, 86 (3): 031602(R). ISSN 1050-2947

Jenkins, Stewart D. and Ruostekoski, Janne (2012) Theoretical formalism for collective electromagnetic response of discrete metamaterial systems. Physical review B, 86 (8): 085116. ISSN 1550-235X

Lovegrove, Justin and Borgh, Magnus O. and Ruostekoski, Janne (2012) Energetically stable singular vortex cores in an atomic spin-1 Bose-Einstein condensate. Physical review a, 86 (1): 013613. ISSN 1050-2947

Borgh, Magnus O. and Ruostekoski, Janne (2012) Topological interface engineering and defect crossing in ultracold atomic gases. Physical review letters, 109 (1): 015302. ISSN 1079-7114

Shrestha, Uttam and Ruostekoski, Janne (2012) Fragmentation, domain formation and atom number fluctuations of a two-species Bose–Einstein condensate in an optical lattice. New Journal of Physics, 14: 043037. ISSN 1367-2630

Kao, Tsung Sheng and Jenkins, Stewart and Ruostekoski, Janne and Zheludev, Nikolay (2011) Coherent control of nanoscale light localization : creating and positioning isolated sub-wavelength energy hot-spots. In: Lasers and Electro-Optics Europe (CLEO EUROPE/EQEC), 2011 Conference on and 12th European Quantum Electronics Conference :. IEEE, DEU. ISBN 9781457705335

Kao, Tsung Sheng and Jenkins, S.D. and Ruostekoski, Janne and Zheludev, N.I. (2011) Coherent control of nanoscale light localization in metamaterial : creating and positioning isolated subwavelength energy hot spots. Physical review letters, 106 (8): 085501. ISSN 1079-7114

Shrestha, Uttam and Javanainen, Juha and Ruostekoski, Janne (2009) Pulsating and persistent vector solitons in a Bose-Einstein condensate in a lattice upon phase separation instability. Physical review letters, 103 (19): 190401. ISSN 1079-7114

Ruostekoski, Janne (2009) Optical kagome lattice for ultracold atoms with nearest neighbor interactions. Physical review letters, 103 (8): 080406. ISSN 1079-7114

Shrestha, Uttam and Javanainen, Juha and Ruostekoski, Janne (2009) Quantum dynamics of instability-induced pulsations of a Bose-Einstein condensate in an optical lattice. Physical review a, 79 (4): 043617. ISSN 1050-2947

Ruostekoski, Janne and Dutton, Zachary (2005) Engineering vortex rings and systems for controlled studies of vortex interactions in Bose-Einstein condensates. Physical review a, 72 (6): 063626. ISSN 1050-2947

Isella, Lorenzo and Ruostekoski, Janne (2005) Nonadiabatic dynamics of a Bose-Einstein condensate in an optical lattice. Physical review a, 72 (1): 011601R. ISSN 1050-2947

Dutton, Zachary and Ruostekoski, Janne (2004) Transfer and storage of vortex states in light and matter waves. Physical review letters, 93 (19): 193602. ISSN 1079-7114

Javanainen, Juha and Ruostekoski, Janne (2003) Optical detection of a fractional particle number in an atomic Fermi-Dirac gas. Physical review letters, 91 (15): 150404. ISSN 1079-7114

Ruostekoski, Janne and Dunne, Gerald V. and Javanainen, Juha (2002) Particle number fractionilization of an atomic Fermi-Dirac gas in an optical lattice. Physical review letters, 88 (18): 180401. ISSN 1079-7114