Results 31 to 40 of about 1,174 (142)

Stationary entanglement in N-atom subradiant degenerate cascade systems [PDF]

, 2010
We address ultracold $N$-atom degenerate cascade systems and show that stationary subradiant states, already observed in the semiclassical regime, also exist in a fully quantum regime and for a small number of atoms.
A. Ferraro, H.-P. Breuer, Massimo Borrelli, Matteo G. A. Paris, Nicola Piovella   +4 more
core   +2 more sources

Subradiant spontaneous undulator emission through collective suppression of shot noise

Physical Review Special Topics. Accelerators and Beams, 2015
The phenomenon of Dicke’s subradiance, in which the collective properties of a system suppress radiation, has received broad interest in atomic physics.
D. Ratner, E. Hemsing, A. Gover, A. Marinelli, A. Nause   +4 more
doaj   +1 more source

Symmetry-protected single-photon subradiance

Physical Review A, 2016
We study the protection of subradiant states by the symmetry of the atomic distributions in the Dicke limit, in which collective Lamb shifts cannot be neglected. We find that anti-symmetric states are subradiant states for distributions with reflection symmetry. Continuous symmetry can also be used to achieve subradiance.
Cai, Han, Wang, Da-Wei, Svidzinsky, Anatoly A., Zhu, Shi-Yao, Scully, Marlan O.   +4 more
openaire   +3 more sources

Superradiance and subradiance in inverted atomic arrays

Physical Review A, 2022
Superradiance and subradiance are collective effects that emerge from coherent interactions between quantum emitters. Due to their many-body nature, theoretical studies of extended samples with length larger than the atomic transition wavelength are usually restricted to their early time behavior or to the few-excitation limit.
Oriol Rubies-Bigorda, Susanne F. Yelin
openaire   +2 more sources

Multidimensional super- and subradiance in waveguide quantum electrodynamics

Physical Review Research, 2020
We study the collective decay rates of multidimensional quantum networks in which one-dimensional waveguides form an intersecting hyperrectangular lattice, with qubits located at the lattice points.
Fatih Dinc, Lauren E. Hayward, Agata M. Brańczyk   +2 more
doaj   +1 more source

Collective states in highly symmetric atomic configurations, and single-photon traps [PDF]

, 2004
Abbreviated Abstract: We study correlated states in a circular and linear-chain configuration of identical two-level atoms containing the energy of a single quasi-resonant photon in the form of a collective excitation, where the collective behaviour is ...
A. Crubellier, A. Crubellier, A. Crubellier, A. Crubellier, A. S. Davydov, B. H. Bransden, B. J. Frenkel, C. Itzykson, C. Keitel, D. Bailin, D. Pavolini, H. Hammer, J. D. Bjorken, J. D. Bjorken, J. F. Cornwell, L. Ryder, M. G. Benedict, M. G. Benedict, M. Gross, N. N. Bogoliubov, P. M. Morse, R. Dicke, R. G. Voe De, R. Loudon, R. S. Knox, V. M. Kenkre   +25 more
core   +1 more source

Hybrid cavity‐antenna systems for quantum optics outside the cryostat?

Nanophotonics, Volume 8, Issue 9, Page 1513-1531, June 2018., 2018
Abstract Hybrid cavity‐antenna systems have been proposed to combine the sub‐wavelength light confinement of plasmonic antennas with microcavity quality factors Q. Here, we examine what confinement and Q can be reached in these hybrid systems, and we address their merits for various applications in classical and quantum optics.
Isabelle M. Palstra, Hugo M. Doeleman, A. Femius Koenderink   +2 more
wiley   +1 more source

Subradiant states of quantum bits coupled to a one-dimensional waveguide

New Journal of Physics, 2019
The properties of coupled emitters can differ dramatically from those of their individual constituents. Canonical examples include sub- and super-radiance, wherein the decay rate of a collective excitation is reduced or enhanced due to correlated ...
Andreas Albrecht, Loïc Henriet, Ana Asenjo-Garcia, Paul B Dieterle, Oskar Painter, Darrick E Chang   +5 more
doaj   +1 more source

Spatial Coherence of Light in Collective Spontaneous Emission

PRX Quantum, 2022
When a quantum system is put into an excited state, it will decay back to the ground state through a process termed spontaneous emission. It is generally assumed that spontaneous emissions between different individual emitters will not be coherent with ...
D. C. Gold, P. Huft, C. Young, A. Safari, T. G. Walker, M. Saffman, D. D. Yavuz   +6 more
doaj   +1 more source

From Single Atoms to Engineered “Super‐Atoms”: Interfacing Photons and Atoms in Free Space

Advances in Optics, Volume 2014, Issue 1, 2014., 2014
During the last decades the development of laser cooling and trapping has revolutionized the field of quantum optics. Now we master techniques to control the quantum properties of atoms and light, even at a single atom and single photon level. Understanding and controlling interactions of atoms and light both on the microscopic single particle and on ...
Yevhen Miroshnychenko, Kim Fook Lee
wiley   +1 more source