Results 51 to 60 of about 1,174 (142)

Localization versus subradiance in three-dimensional scattering of light

open access: yes, 2019
We study the scattering modes of light in a three-dimensional disordered medium, in the scalar approximation and above the critical density for Anderson localization.
Bachelard, R.   +2 more
core   +3 more sources

Quantum synchronization as a local signature of super- and subradiance [PDF]

open access: yes, 2017
We study the relationship between the collective phenomena of super and subradiance and spontaneous synchronization of quantum systems. To this aim we revisit the case of two detuned qubits interacting through a pure dissipative bosonic environment ...
Bellomo, B.   +3 more
core   +4 more sources

Phase-imprinted multiphoton subradiant states [PDF]

open access: yesPhysical Review A, 2017
We propose to generate the multiphoton subradiant states and investigate their fluorescences in an array of two-level atoms. These multiphoton states are created initially from the timed-Dicke states. Then we can use either a Zeeman or Stark field gradient pulse to imprint linearly increasing phases on the atoms, and this phase-imprinting process ...
openaire   +2 more sources

Enhanced collective Purcell effect of coupled quantum emitter systems

open access: yes, 2019
Cavity-embedded quantum emitters show strong modifications of free space radiation properties such as an enhanced decay known as the Purcell effect. The central parameter is the cooperativity $C$, the ratio of the square of the coherent cavity coupling ...
Genes, Claudiu   +4 more
core   +1 more source

Robustness of Dicke subradiance against thermal decoherence [PDF]

open access: yesPhysical Review A, 2019
Subradiance is the cooperative inhibition of the radiation by several emitters coupled to the same electromagnetic modes. It was predicted by Dicke in 1954 and only recently observed in cold atomic vapors. Here we address the question to what extent this cooperative effect survives outside the limit of frozen two-level systems by studying the ...
Weiss, P.   +4 more
openaire   +5 more sources

Cooperative subwavelength molecular quantum emitter arrays

open access: yesPhysical Review Research, 2022
Dipole-coupled subwavelength quantum emitter arrays respond cooperatively to external light fields as they may host collective delocalized excitations (a form of excitons) with super- or subradiant character.
R. Holzinger   +4 more
doaj   +1 more source

Generating resonating-valence-bond states through Dicke subradiance [PDF]

open access: yesPhysical Review A, 2017
5 pages, 4 ...
Ganesh, R.   +2 more
openaire   +2 more sources

Collective excitations in circular atomic configurations, and single-photon traps

open access: yes, 2004
Correlated excitations in a plane circular configuration of identical atoms with parallel dipole moments are investigated. The collective energy eigenstates, their level shifts and decay rates are computed utilizing a decomposition of the atomic state ...
Hammer, Hanno
core   +1 more source

Deterministic steady-state subradiance within a single-excitation basis

open access: yesnpj Quantum Information
Subradiance shows promising applications in quantum information, yet its realization remains more challenging than superradiance due to the need to suppress various decay channels. This study introduces a state space within a single-excitation basis with
Meng-Jia Chu, Jun Ren, Z. D. Wang
doaj   +1 more source

Single Photon Subradiance: Quantum control of spontaneous emission and ultrafast readout [PDF]

open access: yes, 2015
Recent work has shown that collective single photon emission from an ensemble of resonate two-level atoms, i.e. single photon superradiance, is a rich field of study. The present paper addresses the flip side of superradiance, i.e. subradiance.
Scully, Marlan O.
core   +3 more sources

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