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Ultrabroadband Photonic Structures To Achieve High-Performance Daytime Radiative Cooling
Radiative cooling thermal radiation broadband solar mirror phonon-polariton selective emission
2015/8/7
If properly designed, terrestrial structures can passively cool themselves through radiative emission of heat to outer space. For the first time, we present a metal-dielectric photonic structure...
Thermodynamic Upper Bound on Broadband Light Coupling with Photonic Structures
Thermodynamic Broadband Light Coupling Photonic Structures
2015/8/7
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...
Mapping local optical densities of states in silicon photonic structures with nanoscale electron spectroscopy
Mapping local optical densities silicon photonic structures nanoscale electron spectroscopy
2015/8/10
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...
Accurate Time Domain Method for Simulation of Microstructured Electromagnetic and Photonic Structures
Computational Electromagnetics Numerical Simulation Transmission Line Modeling
2010/2/2
A time-domain numerical model within the
framework of transmission line modeling (TLM) is developed to
simulate electromagnetic pulse propagation inside multiple
microcavities forming photonic crys...
Dynamic Photonic Structures:Stopping,Storage,and Time Reversal of Light
Dynamic Photonic Structures Stopping Storage Time Reversal of Light
2015/8/11
The use of dynamic photonic structures opens fascinating new possibilities for controlling the properties of light. The general idea is to create a coupled resonator array such that a light pulse can ...