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Generation of super-len gth optical needle by focusi ng hybridly polarize d vector beams through a dielectric interface
Generation super-len gth optical needle focusing hybridly polarize dvector beams dielectric interface
2013/7/3
A super-length optical needle (～14λ) of strong transversally polarized field with homogeneous intensity along the optical axis and subdiffraction beam size ( ～0 .9λ) can be generated by focusing a hyb...
Metallo-dielectric hybrid antennas for ultrastrong enhancement of spontaneous emission
Metallo-dielectric hybrid antennas ultrastrong enhancement of spontaneous emission Optics
2012/5/29
We devise new optical antennas that reduce the excited-state radiative lifetimes of emitters to the order of 100 femtoseconds while maintaining quantum efficiencies of about 80% at a broadband operati...
Polariton waves in nonlinear dielectric medium
dielectric medium phonon-polariton spectrum soliton cnoidal wave all-optical logic gates
2012/5/29
The phonon-polariton spectrum in dielectric medium with the third order nonlinearity was theoretically obtained. Dependence of number of polariton spectrum branches on intensity of electromagnetic fie...
A New Artificial Dielectric Metamaterial and its Application as a THz Anti-Reflection Coating
Artificial Dielectric Metamaterial THz Anti-Reflection Coating Optics
2011/8/17
Abstract: We describe a novel artificial dielectric material which has applications at millimetre and submillimetre wavelengths. The material is manufactured from layers of metal mesh patterned onto t...
The Hartman paradox and new model of scattering the plane TE polarized light wave on a dielectric layer
optical analogue of the Hartman paradox time and velocity of tunneling the light energy layered structure FTIR
2011/8/4
Abstract: The problem of describing the temporal aspects of scattering the plane light wave on an uniform dielectric layer is reconsidered. In the standard model of this scattering process a correct d...
Electrodynamic Response of the Charge Ordering Phase: Dielectric and Optical Studies of alpha-(BEDT-TTF)2I3
Electrodynamic Response of the Charge Ordering Phase Dielectric Optical Studies
2010/11/25
We report on the anisotropic response, the charge and lattice dynamics of normal and hargeordered phases with horizontal stripes in single crystals of the organic conductor -(BEDT-TTF)2I3 determined ...
Transformation Optics in Nonvacuum Initial Dielectric Media
Transformation Optics Nonvacuum Initial Dielectric Media
2010/11/12
Previous formulations of transformation optics have generally been restricted to transformations from relatively simple initial media, such as the vacuum, because of limitations due to their non-cova...
A planar dielectric antenna for directional single-photon emission and near-unity collection efficiency
planar dielectric antenna directional single-photon emission near-unity collection efficiency
2010/10/20
Single emitters have been considered as sources of single photons in various contexts such as cryptography, quantum computation, spectroscopy, and metrology1,2,3. The success of these applications wil...
Interface and Surface Optical Phonons Spectra in Wurtzite Nitride Quantum Well Wires: Size and Dielectric Effects
Optical Phonon Vibration Spectra Wurtzite QWW
2010/4/9
By employing the method of electrostatic potential expansion, the interface optical (IO) and surface optical (SO) phonon modes and the corresponding Fröhlich-like electron-phonon-interaction Hami...