Light out‐coupling management in perovskite LEDs—what can we learn from the past?

Q Zhang, D Zhang, Y Fu, S Poddar… - Advanced Functional …, 2020 - Wiley Online Library
The research on perovskite light‐emitting diodes (PeLEDs) has experienced an exponential
growth in the past six years. The highest external quantum efficiencies (EQEs) have …

A positive future for double-negative metamaterials

N Engheta, RW Ziolkowski - IEEE Transactions on microwave …, 2005 - ieeexplore.ieee.org
Metamaterials (MTMs), which are formed by embedding inclusions and material
components in host media to achieve composite media that may be engineered to have …

[图书][B] Physics and applications of negative refractive index materials

SA Ramakrishna, TM Grzegorczyk - 2008 - taylorfrancis.com
Ever since the first experimental demonstration was reported in 2000, the interest in
metamaterials and left-handed media that exhibit a negative refractive index has increased …

A study of using metamaterials as antenna substrate to enhance gain

BI Wu, W Wang, J Pacheco, X Chen… - Progress in …, 2005 - jpier.org
Using a commercial software, simulations are done on the radiation of a dipole antenna
embedded in metamaterial substrates. Metamaterials under consideration are composed of …

Guided modes in a waveguide filled with a pair of single-negative (SNG), double-negative (DNG), and/or double-positive (DPS) layers

A Alu, N Engheta - IEEE Transactions on Microwave Theory …, 2004 - ieeexplore.ieee.org
Here we present the results of our theoretical analysis for guided modes in parallel-plate
waveguides filled with pairs of parallel layers made of any two of the following materials:(1) …

Review of left-handed metamaterials: Evolution from theoretical and numerical studies to potential applications

TM Grzegorczyk, JA Kong - Journal of Electromagnetic waves and …, 2006 - Taylor & Francis
This paper reviews and briefly describes the milestones of the research on left-handed
metamaterials since 2001, from their discrete implementation as a succession of rings and …

A broadband tunable terahertz negative refractive index metamaterial

F Ling, Z Zhong, R Huang, B Zhang - Scientific reports, 2018 - nature.com
A strategy to greatly broaden negative refractive index (NRI) band, reduce loss and ease bi-
anisotropy of NRI metamaterials (MMs) has been proposed at terahertz frequencies. Due to …

Closed-form Green's functions in planar layered media for all ranges and materials

A Alparslan, MI Aksun… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
An important extension of the two-level discrete complex image method is proposed to
eliminate any concerns on and shortcomings of the approximations of the spatial-domain …

Goos–Hänchen shifts at the interfaces between left-and right-handed media

DK Qing, G Chen - Optics Letters, 2004 - opg.optica.org
The Goos–Hänchen shift caused by total internal reflection at the interface between two
media is analyzed. For two media of the same handedness the Goos–Hänchen phase shift …

Fundamental modal properties of surface waves on metamaterial grounded slabs

P Baccarelli, P Burghignoli, F Frezza… - IEEE Transactions …, 2005 - ieeexplore.ieee.org
This paper deals with the analysis of surface waves supported by a metamaterial layer on a
ground plane, and investigates the potentiality of these grounded slabs as substrates for …