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Omnidirectional gap and defect mode of one-dimensional photonic crystals with single-negative materials
A new type of omnidirectional gaps is theoretically found in one-dimensional photonic crystals (1DPCs) composed of two kinds of single-negative (SNG) (permittivity- or permeability-negative)…
Magnon-Photon-Phonon Entanglement in Cavity Magnomechanics.
The results indicate that cavity magnomechanical systems could provide a promising platform for the study of macroscopic quantum phenomena and be a genuinely tripartite entangled state against temperature.
Single-photon transport through an atomic chain coupled to a one-dimensional nanophotonic waveguide
We study the dynamics of a single-photon pulse traveling through a linear atomic chain coupled to a one-dimensional (1D) single mode photonic waveguide. We derive a time-dependent dynamical theory…
A new criterion for zero quantum discord
We propose a new criterion for judging zero quantum discord for arbitrary bipartite states. A bipartite quantum state has zero quantum discord if and only if all the blocks of its density matrix are…
Superluminal pulse reflection from a weakly absorbing dielectric slab.
Large negative group delay is found for weak absorption near a resonance of the slab [Re(kd)=mpi] and the group delay for both the reflected and transmitted pulses will be saturated with an increase of the absorption.
Ghost imaging with incoherent and partially coherent light radiation.
The quality and visibility of the ghost image are influenced by the source's transverse size, coherence width, and object characteristics, and the equation depends on both paths.
Ghost interference with partially coherent radiation.
The visibility of the ghost interference fringes is strongly influenced by the transverse size and transverse coherence width of the source, which leads to a decrease of the fringes' visibility.
Giant lateral shift of a light beam at the defect mode in one-dimensional photonic crystals.
It is found that when a light beam is incident on a one-dimensional photonic crystal (1DPC) containing a defect layer, the lateral shifts of both the reflected and the transmitted beams are greatly…
QUANTUM INTERFERENCE EFFECTS IN SPONTANEOUS EMISSION FROM AN ATOM EMBEDDED IN A PHOTONIC BAND GAP STRUCTURE
The spontaneous emission from a three-level atom embedded in a photonic band gap structure is studied. Interference between two transitions leads to quasiperiodic oscillations of population between…
General form of genuine multipartite entanglement quantum channels for teleportation
Recently Yeo and Chua [Phys. Rev. Lett. 96, 060502 (2006)] presented an explicit protocol for faithfully teleporting an arbitrary two-qubit state via a genuine four-qubit entanglement channel. Here…