photonic bandgap crystals

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• Photonic-crystal fiber — (PCF) is a new class of optical fiber based on the properties of photonic crystals. Because of its ability to confine light in hollow cores or with confinement characteristics not possible in conventional optical fiber, PCF is now finding… …   Wikipedia

• Photonic crystal — The opal in this bracelet contains a natural periodic microstructure responsible for its iridescent color. It is essentially a natural photonic crystal, although it does not have a complete photonic band gap. Photonic crystals are periodic… …   Wikipedia

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• Metamaterial — Negative index metamaterial array configuration, which was constructed of copper split ring resonators and wires mounted on interlocking sheets of fiberglass circuit board. The total array consists of 3 by 20×20 unit cells with overall dimensions …   Wikipedia

• Spontaneous emission — is the process by which a light source such as an atom, molecule, nanocrystal or nucleus in an excited state undergoes a transition to the ground state and emits a photon. Spontaneous emission of light or luminescence is a fundamental process… …   Wikipedia

• Liquid crystal — Schlieren texture of liquid crystal nematic phase Liquid crystals (LCs) are a state of matter that have properties between those of a conventional liquid and those of a solid crystal.[1] For instance, an LC may flow like a liquid, but its… …   Wikipedia

• Cristal photonique — Bracelet monté d une opale, cristal photonique naturel. Les cristaux photoniques sont des structures périodiques de matériaux diélectriques ou métallo diélectriques modifiant la propagation des ondes électromagnétiques de la même manière qu un… …   Wikipédia en Français

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• Polaritonics — is an intermediate regime between photonics and sub microwave electronics (see Fig. 1). In this regime, signals are carried by an admixture of electromagnetic and lattice vibrational waves known as phonon polaritons, rather than currents or… …   Wikipedia

• Thomas F Krauss — is a physics researcher at the University of St Andrews. He has several research interests, but is mostly known for his work in the field of photonic crystals, where he made the first demonstration of two dimensional photonic band gap effects at… …   Wikipedia

• Eli Yablonovitch — along with Sajeev John, was one of the two physicists who invented the field of photonic crystals in 1987. In addition to pioneering photonic crystals, he was the first to recognize that a strained quantum well laser has a significantly reduced… …   Wikipedia