搜索结果: 1-15 共查到“光电子技术 photonic crystals”相关记录27条 . 查询时间(0.165 秒)
Light trapping in photonic crystals
Light trapping photonic crystals
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2015/8/6
We consider light trapping in photonic crystals in the weak material absorption limit. Using a rigorous electromagnetic approach, we show that the upper bound on the angle-integrated absorption enhanc...
Three-dimensional self-assembled photonic crystals with high temperature stability for thermal emission modification
Three-dimensional self-assembled photonic crystals temperature stability thermal emission modifi cation
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2015/8/7
Selective thermal emission in a useful range of energies from a material operating at high temperatures is required for effective solar thermophotovoltaic energy conversion.Three-dimensional metallic ...
Comparative Study of the One Dimensional Dielectric and Metallic Photonic Crystals
Transmission Metallic Photonic Crystals Dielectric Photonic Crystals Photonic Band Gap
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2013/1/30
The optical transmission properties of two types of photonic crystals have been analyzed by using the transfer matrix method. The first one is the dielectric photonic crystal (DPC), and the second is ...
Slow Light with Photonic Crystals for On-Chip Optical Interconnects
Slow Light Photonic Crystals On-Chip Optical Interconnects
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2009/5/19
Transistor scaling alone can no longer be relied upon to yield the exponential speed increases we have come to expect from the microprocessor industry. The principle reason for this is the interconnec...
Far-Field Focus and Dispersionless Anticrossing Bands in Two-Dimensional Photonic Crystals
Far-Field Focus Dispersionless
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2008/10/29
We review the simulation work for the far-field focus and dispersionless anticrossing bands in two-dimensional (2D) photonic crystals. In a two-dimensional photonic-crystal-based concave lens, the far...
Tuning coherent radiative thermal conductance in multilayer photonic crystals
Tuning coherent radiative thermal conductance multilayer photonic crystals
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2015/8/10
We consider coherent radiative thermal conductance of a multilayer photonic crystal. The crystal consists of alternating layers of lossless dielectric slabs and vacuum, where heat is conducted only th...
Advances in Theory of Photonic Crystals
Dynamic photonic crystals, magneto-optical effects photonic crystals stopped light time-reversal of light
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2015/8/11
In this paper, the authors review some of the recent advances in the theory of photonic crystals, drawing examples from their own work in magnetooptical and dynamic photonic crystals. The combination ...
One-way total reflection with one-dimensional magneto-optical photonic crystals
One-way total one-dimensional magneto-optical photonic crystals
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2015/8/11
The authors show that one-dimensional magneto-optical photonic crystals can achieve one-way total reflection. The unit cell of the crystal, which consists of two bismuth iron garnet layers with ...
Enhancing or suppressing self-focusing in nonlinear photonic crystals
suppressing self-focusing nonlinear photonic crystals
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2015/8/11
The authors show that the effect of self-focusing can be controlled by exploiting spatial dispersion effects in a photonic crystal. In the positive refraction region, the critical field value fo...
Waveguides in inverted opal photonic crystals
Guided waves Integrated optics materials
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2015/8/11
Waveguiding phenomena are investigated in an inverted opal photonic crystal made of interpenetrating air spheres, coated with amorphous Ge. Here we focus on the complete gap between the 8th and the 9t...
Direct-Write Assembly of Three-Dimensional Photonic Crystals:Conversion of Polymer Scaffolds to Silicon Hollow-Woodpile Structures
Three-Dimensional Photonic Crystals Polymer Scaffolds Silicon Hollow-Woodpile Structures
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2015/8/11
Direct-Write Assembly of Three-Dimensional Photonic Crystals:Conversion of Polymer Scaffolds to Silicon Hollow-Woodpile Structures.
Suppressing the effect of disorders using time-reversal symmetry breaking in magneto-optical photonic crystals: An illustration with a four-port circulator
Magneto-optics Photonic crystals Optical resonances Channel add/drop fi lters Optical circulators Nonreciprocity
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2015/8/11
In integrated optical systems, nonreciprocal elements are indispensable devices that eliminate multi-path reflection between components. To miniaturizing these devices down to a single-wavelengt...
Conditions for designing single-mode air-core waveguides in three-dimensional photonic crystals
designing single-mode air-core waveguides three-dimensional photonic crystals
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2015/8/11
The authors present a general procedure that allows the design of single-mode air-core waveguides in three-dimensional photonic crystals. The procedure involves analyzing the modal profile of th...
Metallic photonic crystals with strong broadband absorption at optical frequencies over wide angular range
Metallic photonic crystals broadband absorption optical frequencies
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2015/8/11
We show theoretically that a finite two-dimensional square lattice of metallic cylinders in air can be designed to have almost 100% absorptance over a wide optical wavelength range and for a wid...
Magneto-optical defects in two-dimensional photonic crystals
Magneto-optical defects two-dimensional photonic crystals
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2015/8/11
Magneto-optical defects in two-dimensional photonic crystals.