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Displacement-sensitive photonic crystal structures based on guided resonance in photonic crystal slabs
Displacement-sensitive photonic crystal structures guided resonance photonic crystal slabs
2015/8/11
We introduce a mechanically tunable photonic crystal structure consisting of coupled photonic crystal slabs. Using both analytic theory, and first-principles finite-difference time-domain ...
Thermodynamic Upper Bound on Broadband Light Coupling with Photonic Structures
Thermodynamic Broadband Light Coupling Photonic Structures
2012/8/7
The coupling between free space radiation and optical media critically influences the performance of optical devices. We show that, for any given photonic structure, the sum of the external coup...
A Novel Dispersion Controlling Technique Using Doped Ring Structures within Photonic Crystal Fibers
Dispersion Photonic Crystal Fibers Ring Structures
2011/5/14
We proposed the novel photonic crystal fiber structure which uses high/low doping material around each cladding holes. Through the numerical analysis, we confirmed that this fiber structure will intro...
Photonic Band Structure of Dispersive Metamaterials Formulated as a Hermitian Eigenvalue Problem
Photonic Band Structure Dispersive Metamaterials Formulated Hermitian Eigenvalue Problem
2010/8/10
We formulate the photonic band structure calculation of any lossless dispersive photonic crystal and optical metamaterial as a Hermitian eigenvalue problem. We further show that the eigenmodes of such...
Mapping local optical densities of states in silicon photonic structures with nanoscale electron spectroscopy
Mapping local optical densities silicon photonic structures nanoscale electron spectroscopy
2010/8/10
Relativistic electrons in a structured medium generate radiative losses such as Cherenkov and transition radiation that act as a virtual light source, coupling to the photonic densities of states. The...
Simultaneous 3 × 10-Gbps Optical Data Transmission in 1-μm, C-, and L-wavebands Over a Single Holey Fiber for Ultrabroad-Waveband Photonic Transport System
Fiber optics communications Optical communications Microstructured fibers Semiconductor lasers
2010/6/10
Simultaneous 3 × 10-Gbps error-free photonic transmissions with clear eye-openings are demonstrated in the 1-μm, C-, and L-wavebands by using an ultrabroad-waveband photonic transport system comprisin...
Universal features of coherent photonic thermal conductance in multilayer photonic band gap structures
Universal features photonic thermal conductance multilayer photonic band gap structures
2009/8/10
We show that at the high-temperature limit, the coherent photonic thermal conductance of a multilayer photonic crystal can be significantly below the corresponding thermal conductance of vacuum....
Physical Layer Components, Architectures and Trends for Agile Photonic Layer Mesh Networking
Physical Layer Components Architectures Agile Photonic Layer Mesh Networking
2009/7/16
This presentation will review the devices and architectures of multi-degree optical mesh networks and discuss the emerging trends for further enhancing the flexibility and functionality of photonic tr...
Optically Tuneable Microwave-Photonic Phase Shifter Based on Silicon Microring Resonator
Optically Tuneable Microwave-Photonic Phase Shifter Silicon Microring Resonator
2008/8/4
We demonstrate a microwave-photonic phase shifter based on a 20-μm-radius silicon microring resonator, providing a tunable phase shift for a 20-GHz signal in a range of 0 - -4.6 rad.
Anomalous modal structure in a waveguide with a photonic crystal core
Anomalous modal structure waveguide photonic crystal core
2006/8/11
We analyze a dielectric waveguide with a photonic crystal core. Using constant frequency contour analysis,we show that the modal behavior of this structure is drastically different from that of a conv...