Bound states in the continuum: From fundamental physics to emerging photonic paradigms [PDF]
iScienceSummary: Bound states in the continuum (BICs) defy the conventional intuition of open photonic systems by supporting perfectly localized eigenmodes within the radiative spectrum.
Shubin Zhang +6 more
doaj +2 more sources
Defect-evolved quadrupole higher-order topological nanolasers [PDF]
Nature CommunicationsTopological photonics have been garnering widespread interest in engineering the flow of light with topological ideas. Strikingly, the recent introduction of higher-order topological insulators has generalized the fundamental framework of topological ...
Shengqun Guo +5 more
doaj +2 more sources
Stable, Efficient, and Scalable Two-Dimensional Perovskites for Next-Generation Solar Cells. [PDF]
Small SciTwo‐dimensional perovskites are presented as a versatile platform for photovoltaic research, combining enhanced stability with competitive efficiencies. This review analyses 2D perovskite structure–property relationships linking crystallographic orientation and phase distribution and implications in stability and performance.
Bhat K, Das S, Roy A, Das PP.
europepmc +2 more sources
Advancing the performance of one-dimensional photonic crystal/photonic wire micro-cavities in silicon-on-insulator [PDF]
, 2008 We present new results that demonstrate advances in the performance achievable in photonic crystal/photonic wire micro-cavities. In one example, a quality-factor value as high as 147,000 has been achieved experimentally at a useful transmission ...
Md Zain, A.R. +2 more
core +8 more sources
Band gap engineering in simultaneous phononic and photonic crystal slabs [PDF]
, 2010 We discuss the simultaneous existence of phononic and photonic band gaps in two types of phononic crystals slabs, namely periodic arrays of nanoholes in a Si membrane and of Si nanodots on a SiO2 membrane. In the former geometry, we investigate in detail
Pennec, Yan +15 more
core +1 more source
Thin-film photonic crystal LEDs with enhanced directionality [PDF]
, 2009 The use of photonic crystals for light extraction from light-emitting diodes (LEDs) gives the possibility to shape the farfield emission pattern. This is of particular interest for étendue-limited LED applications that require a more directional ...
Bergenek, Krister +8 more
core +1 more source
Photonic crystal interfaces: a design-driven approach [PDF]
, 2006 Photonic Crystal structures have been heralded as a disruptive technology for the miniaturization of opto-electronic devices, offering as they do the possibility of guiding and manipulating light in sub-micron scale waveguides.
Ayre, Melanie
core +2 more sources
Numerical simulation of a novel bilayer photonic crystal slab biosensor with hexagonal lattice
Results in Physics, 2019 A new type of silicon-based bilayer photonic crystal slab biosensor is proposed based on the theoretical investigation of various parameters of two-dimensional photonic crystal slab on the peak wavelength and characteristics of the reflection spectrum ...
Daohan Ge +4 more
doaj +1 more source
Highly efficient coupling between a monolithically integrated photonic crystal cavity and a bus waveguide [PDF]
, 2012 We experimentally demonstrate a new optical filter design comprising of a photonic crystal cavity and a low index bus waveguide which are monolithically integrated on a silicon-on-insulator (SOI) platform.
Ferrera, Marcello +13 more
core +1 more source
Simultaneous Guidance of Surface Acoustic and Surface Optical Waves in Phoxonic Crystal Slabs
Crystals, 2017 Phoxonic crystals, which exhibit simultaneous phononic and photonic bandgaps, are promising artificial materials for optomechanical and acousto-optical devices.
Tian-Xue Ma +2 more
doaj +1 more source