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Total: 59 results found.

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We develop an exact theory for light propagation in transversely-magnetized low-symmetry magnetic photonic crystals. We investigate the nature of nonreciprocal dispersion and unidirectionality in these ...
We have designed, fabricated, and characterized an InP photonic crystal slab structure that supports a cavity-confined slow-light mode, i. e. a bandgap-confined valence band-edge mode. Three dimensional ...
3. Chalcogenide glass photonic crystals
(Uncategorized/Publication)
All-optical switching devices are based on a material possessing a nonlinear optical response, enabling light to control light, and are enjoying renewed interest. Photonic crystals are a promising platform ...
... of a quantum analogue of the classical walk of Toral (2002 Fluct. Noise Lett. 2 L305), and demonstrate the Parrondo effect numerically. Lastly, we highlight a qualitative difference in asymptotic behaviour ...
... light-hole pairs with pi symmetry, as possibly done by using a single laser beam with a propagation axis slightly tilted with respect to a weak magnetic field. This allows us to fully control the effective ...
... resonant light. The dynamics of the system are studied using a renormalized master equation, both with multipolar and minimal-coupling interaction schemes. We show that both models lead to the same result ...
... processes, coherent control, and resultant entangled states required in a full-scale implementation. These are necessary steps on the path towards scalable quantum computing. Our results highlight that ...
... where the lattice geometry is altered via nanolithography. Here, we show that selective postexposure to light of a uniform PCS composed of photosensitive material, altering the refractive index permanently, ...
9. Measuring two-qubit gates
(Uncategorized/Publication)
... and highlight connections between them. (c) 2007 Optical Society of America. ...
We derive semianalytic models of two types of photonic crystal resonators by simplifying the Bloch mode scattering matrix method. Essential to the models are two parameters, which are interpreted to be ...
We use techniques of quantum information theory to analyze the quantum causal histories approach to quantum gravity. While it is consistent to introduce closed timelike curves (CTCs), they cannot generically ...
... leading to a flat, quartic band-edge or to two band edges at distinct, nonequivalent k-values, allowing precise control of slow light propagation. (c) 2007 Optical Society of America. ...
The effect of the microstructure on transversely coupled laser light into the core of a photonic crystal fiber is investigated. Computational two-dimensional modeling and direct experimental measurements ...
The interaction of a five-level atomic system involving electromagnetically induced transparency with four light fields is investigated. Two different operating regimes are considered, semi-classical and ...
... atoms coupled to two quantum and two classical light fields. The two quantum fields undergo cross-phase modulation induced by electromagnetically induced transparency. The performance of this two-qubit ...
The interaction of a five-level atomic system involving electromagnetically induced transparency with four light fields is investigated. Two different light-atom configurations are considered, and their ...
... is minimized, so that light in the waveguides propagates essentially independently. Subject to this condition, we compare the minimum mutual distance between conventional planar waveguides and waveguides ...
We show that if a > 1 is any fixed integer, then for a sufficiently large x > 1, the nth Fibonacci number F,, is a base a pseudoprime only for at most (4 + o(1)), pi(x) of positive integers n
We present a full quantum treatment of a five-level atomic system coupled to two quantum and two classical light fields. The two quantum fields undergo a cross-phase-modulation induced by electromagnetically ...
Optical devices were fabricated in fused silica using the femtosecond direct write technique. We found that the transmission of light through directly written waveguides, whether straight or curved, can ...
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