[PDF] Top 20 Negative Refraction by Photonic Crystal

... possess negative values. It means in such materials the index of refraction is less than zero, and therefore, phase and group velocity of an electromagnetic (EM) wave can propagate in opposite ...the ... See full document

... two-dimensional photonic crystals (2D PC) can act as effective media with a negative effective refractive index in some frequency regions if being properly designed ...all-angle negative ... See full document

... A negative refractive index is obtained by interleaving two structures that individually show a negative ε or negative ...of negative refraction material in contrast to the conventional ... See full document

... In our proposed DC-OPCF structure, we designed a high negative dispersion compensating fiber which achieved a negative dispersion coefficient -1650ps/nm/km at 1.55 m. Using this, design dispersion ... See full document

... of photonic crystal ...fibers: Photonic crystal fiber having attenuation loss below ...a negative slope in the ...Obtaining photonic crystal fibers with required ... See full document

... of Photonic Band-Gap (PBG) concept in 1987 by Sajeev John [91] and Eli Yablonovitch ...name photonic crystal was introduced [94]. The first photonic crystal material was fabricated by ... See full document

... that negative-tone photoresists have relatively large film shrinkage during photocrosslinking and developing steps when films become more ...different crystal planes (Figure ... See full document

... of negative refraction has caused physicists to re-examine virtually all of electromagnetics ...optical negative refraction superlens hypothesis in the theory of ... See full document

... odic holes are given in Fig. 1. Four aperiodically lo- cated and tapered holes form the transition sections within the cavity - and have diameters of 170, 180, 166, and 131 nm respectively - with center-to-center hole ... See full document

... of refraction and stress in photonic crystal fiber lasers with different pump schemes: forward pump scheme, backward pump scheme, forward pump scheme with reflection of 98%, backward pump scheme with ... See full document

... the photonic band gap in photonic crystal by using two numerical method , namely Plane Wave Expansion (PWE) and Finite Difference Time Domain Method ...A photonic crystal (PC) is said ... See full document

... resonant peaks occur in pairs. However, as the waveguides are brought further away from one another, we find that the spectral splitting is diminished, eventually to the point where it can no longer be resolved. The ... See full document

... A manufacturing method of a photonic crystal is provided. In the method, a high-refractive-index material is conformally deposited on an exposed portion of a periodic template composed of a ... See full document

... these photonic crystal structures with respect to reduction of front surface reflection, achievable field enhancement, and photonic ...of photonic crystals made of thin-walled nanotubes ... See full document

... Photonic crystal defect cavity lasers are a relatively new ...2D photonic crystal laser [15, 90]—a regular array of air-holes are drilled into a suspended III-V semiconductor membrane to form ... See full document

... Polaritons are quasiparticles resulting from electric or magnetic dipole-carrying excitations within a material strongly coupling to electromagnetic waves that travel within them. Thus, the photons of light moving within ... See full document

... is obtained for the space-time foam near the Planck length. Here we use ζ instead of the ξ to distinguish between the nonchiral and chiral space. In principle, both types may occur in the same vacuum at different scales ... See full document

... We have demonstrated a technique well known for measuring fields in mi- crowave structures and applied it for the first time to successfully measure the internal field of a photonic crystal (PhC). The ... See full document

... Figure 1 illustrates formula (5). The light flash is emitted at the source point z 0 that according to relations (2) corresponds to ζ = − 1. It propagates to the image point − z 0 that corresponds to ζ = 1 where it is ... See full document

... metal photonic crystal array is designed for the directed wave propagation, and the finite metal rods with rectangular units are used to form the periodic ...dielectric photonic crystals with a ... See full document