搜索结果: 1-13 共查到“光学仪器及技术 photonic crystal”相关记录13条 . 查询时间(0.046 秒)
Total Absorption in a Graphene Monolayer in the Optical Regime by Critical Coupling with a Photonic Crystal Guided Resonance
graphene photonic crystal near-infrared critical coupling guided resonance absorption enhancement
2014/8/6
We numerically demonstrate total absorption in graphene in the near-infrared and visible wavelength ranges by means of critical coupling with guided resonances of a photonic crystal slab. In this wave...
Resonance-enhanced optical forces between coupled photonic crystal slabs
Modes Guided waves Optical forces
2010/8/10
The behaviors of lateral and normal optical forces between coupled photonic crystal slabs are analyzed. We show that the optical force is periodic with displacement, resulting in stable and unstable e...
Experimental demonstration of an all-optical analogue to the superradiance effect in an on-chip photonic crystal resonator system
all-optical analogue superradiance effect on-chip photonic crystal resonator system
2010/8/10
We show that an all-optical analogue to the Dicke superradiance effect can be observed in on-chip photonic crystal resonator systems where two resonators are separated by a distance much longer than t...
Tuning the coherent interaction in an on-chip photonic-crystal waveguide-resonator system
coherent interaction on-chip photonic-crystal waveguide-resonator system
2010/8/10
We experimentally demonstrated that the characteristics of the coherent interaction between two waveguide-coupled resonators can be drastically tuned by changing the propagation phase in the waveguide...
Reducing spectral attenuation in solid-core photonic crystal fibers
Fiber optics optical communications Microstructured fibers
2010/6/10
We describe the effects of fabrication process timing and preform exposure to atmospheric air on spectral attenuation in photonic crystal fibers. The lowest attenuation is achieved by rapid processing...
Asymmetric twin-core photonic crystal fiber for dispersionless all-optical delay control
Asymmetric twin-core photonic crystal fiber dispersionless all-optical delay control
2008/8/4
We present a twin core photonic crystal fiber nonlinear coupler permitting dispersionless all-optical control of the delay of picosecond pulses. Nonlinear exact solutions illustrate the time delay con...
Systematic Photonic Crystal Device Design:Global and Local Optimization and Sensitivity Analysis
Bragg scattering design automation design methodology electromagnetic scattering by periodic structures
2006/8/11
We present a set of modeling, sensitivity analysis, and design optimization methods for photonic crystal structures based on Wannier basis field expansion and efficient matrix analysis tec...
Air-bridged photonic crystal slabs at visible and near-infrared wavelengths
Air-bridged photonic crystal slabs visible near-infrared wavelengths
2006/8/11
Air-bridged photonic crystal slabs are demonstrated at visible and near-infrared wavelengths. We present experimental and theoretical studies of the transmission spectra of air-bridged photonic crysta...
Radiation loss of coupled-resonator waveguides in photonic-crystal slabs
Radiation loss coupled-resonator waveguides photonic-crystal slabs
2006/8/11
The authors characterize the intrinsic radiation loss of coupled-resonator optical waveguides by defining a waveguide-quality factor Q. They find that tuning an isolated resonator in a pho...
Demonstration of systematic photonic crystal device design and optimization by low-rank adjustments: an extremely compact mode separator
systematic photonic crystal device design xtremely compact mode separator
2005/8/11
We present a powerful design and optimization method for devices in a photonic crystal. The method is based on a Wannier basis field expansion and efficient matrix analysis techniques for searching th...
Photonic crystal device sensitivity analysis with Wannier basis gradients
Photonic crystal device sensitivity analysis Wannier basis gradients
2005/8/11
We present a powerful sensitivity analysis method for devices in a photonic crystal. The method is based on a Wannier basis field expansion and efficient matrix analysis techniques for finding eigenva...
Angular and polarization properties of a photonic crystal slab mirror
Resonance Optical devices Mirrors Polarization-sensitive devices
2004/8/11
It was recently demonstrated that a photonic crystal slab can function as a mirror for externally incident light along a normal direction with near-complete reflectivity over a broad wavelength range....
Method for sensitivity analysis of photonic crystal devices
sensitivity analysis photonic crystal devices
2004/8/11
We present a new method for sensitivity analysis of photonic crystal devices. The algorithm is based on a finite-difference frequency-domain model and uses the adjoint variable method and perturbation...