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Related papers: Photonic Crystal-Based Compact High-Power Vacuum E…

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We consider the resonant interaction energy and force between two identical atoms, one in an excited state and the other in the ground state, placed inside a photonic crystal. The atoms, having the same orientation of their dipole moment,…

The ability to selectively redirect specific wavelengths of light has attracted a lot attention for photonic crystal materials. Presently, there is a wealth of research relating to the fabrication and application of photonic crystal…

Optics · Physics 2022-08-23 Alex Lonergan , Colm O'Dwyer

Electromagnetic waves follow linear paths in homogenous index media, with the exception of band edges. In this study, we introduced spatially distorted photonic crystals (D-PCs) that are capable of beam-steering light waves, even when a…

Applied Physics · Physics 2021-10-13 Kanji Nanjyo , Hitoshi Kitagawa , Daniel Headland , Masayuki Fujita , Kyoko Kitamura

Quantum emitters trapped near photonic crystal waveguides have recently emerged as an exciting platform for realizing novel quantum matter-light interfaces. Here we study tunable photon scattering in a photonic crystal waveguide coupled to…

Quantum Physics · Physics 2025-02-14 Guo-Zhu Song , Lin-Xiong Wang , Jing-Xue Zhang , Hai-Rui Wei

We study both theoretically and experimentally the effects of introducing deliberate disorder in a slow-light photonic crystal waveguide on the photon density of states. We first introduce a theoretical model that includes both deliberate…

Optics · Physics 2015-09-02 Nishan Mann , Alisa Javadi , P. D. García , Peter Lodahl , Stephen Hughes

This article presents experimental results on properties of waves propagating in an unbounded and a bounded photonic crystal consisting of metallic cylinders which are arranged in a triangular lattice. First, we present transmission…

Other Condensed Matter · Physics 2012-02-09 S. Bittner , B. Dietz , M. Miski-Oglu , A. Richter

We have developed a theory of exciton-polariton band structure of resonant three-dimensional photonic crystals for arbitrary dielectric contrast and effective mass of the exciton that is excited in one of the compositional materials. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 E. L. Ivchenko , A. N. Poddubny

Photonic crystals have great potential for use as laser-driven accelerator structures. A photonic crystal is a dielectric structure arranged in a periodic geometry. Like a crystalline solid with its electronic band structure, the modes of a…

Accelerator Physics · Physics 2009-11-10 Benjamin Cowan , Mehdi Javanmard , Robert H. Siemann

Light transport in a dilute photonic crystal is considered. The analytical expression for the transmission coefficient is derived.Straightening of light under certain conditions in a one-dimensional photonic crystal is predicted. Such…

Optics · Physics 2019-10-03 Zhyrair Gevorkian , Vladimir Gasparian , Emilio Cuevas

We report on the experimental observation of the beaming effect in photonic crystals enhanced via surface modes. We experimentally map the spatial field distribution of energy emitted from a subwavelength photonic crystal waveguide into…

Optics · Physics 2009-11-13 Steven K. Morrison , Yuri S. Kivshar

The paper addresses the issue of existence and confinement of electromagnetic modes guided by linear defects in photonic crystals. Sufficient condition are provided for existence of such waves near a given spectral location. Confinement to…

Mathematical Physics · Physics 2013-02-26 Peter Kuchment , Beng-Seong Ong

The interaction of a fast electron with a photonic crystal is investigated by solving the Maxwell equations exactly for the external field provided by the electron in the presence of the crystal. The energy loss is obtained from the…

Materials Science · Physics 2009-11-07 F. J. Garcia de Abajo , L. A. Blanco

Photonic crystal is a dielectric material which has a refractive index or permittivity which vary periodically, thus preventing the propagation of light with specific frequency and direction. The frequency range is called a photonic bandgap…

Materials Science · Physics 2012-01-04 Candra Kurniawan

Light transmission in inhomogeneous photonic media is strongly influenced by the distribution of the diffractive elements in the medium. Here it is shown theoretically that, in a pillar photonic crystal structure, light transmission and…

Optics · Physics 2010-06-28 Michele Bellingeri , Stefano Longhi , Francesco Scotognella

Light propagation in a photonic crystal infiltrated with polarizable molecules is considered. We demonstrate that the interplay between the spatial dispersion caused by Bragg diffraction and polaritonic frequency dispersion gives rise to…

Condensed Matter · Physics 2009-10-31 A. Yu. Sivachenko , M. E. Raikh , Z. V. Vardeny

We consider a model for a one-dimensional photonic crystal formed by a succession of Kerr-type equidistant spaceless interfaces immersed in a linear medium. We calculate the band structure and reflectance of this structure as a function of…

The recent interest in the imaging possibilities of photonic crystals (superlensing, superprism, optical mirages etc...) call for a detailed analysis of beam propagation inside a finite periodic structure. In this paper, an answer to the…

Materials Science · Physics 2008-01-22 B. Guizal , D. Felbacq , R. Smaâli

Deviations from the perfect atomic arrangements in crystals play an important role in affecting their properties. Similarly, diffusion of such deviations is behind many microstructural changes in solids. However, observation of point defect…

Materials Science · Physics 2014-07-28 Jani Kotakoski , Clemens Mangler , Jannik C. Meyer

Hyperuniform disorder is a type of correlated disorder characterized by vanishing spectral density at small wavevectors, making the configuration effectively homogeneous on long length scales. In photonics, hyperuniform disorder is…

Optics · Physics 2026-03-05 Zeyu Zhang , Koorosh Sadri , Brian Gould , Mikael Rechtsman

Photonic media modulated periodically in time, termed photonic time crystals (PTCs), have attracted considerable attention for their ability to open momentum bandgaps hosting amplifying modes. These momentum gaps, however, generally appear…