Results 51 to 60 of about 10,154 (259)
Velocity‐Tunable Exciton‐Photon Hybridization in Cathodoluminescence
Advanced Functional Materials, EarlyView.Transition‐radiation resonances in suspended thin crystals hybridise with excitonic transitions under free‐electron excitation. By tuning the electron energy, the photonic resonances are continuously detuned across the exciton states, enabling controllable exciton–photon hybridisation below the diffraction limit without altering the system geometry ...
Sven Ebel +4 more
wiley +1 more source
Which quasi-particles in wide band gap bulk microcavities ? [PDF]
, 2008 OralWe present numerical simulations of angle-resolved reflectivity of bulk ZnO microcavities with SiN/SiO2 distributed Bragg reflectors. The goal of these studies is to determine the conditions for observation of strong exciton-photon coupling at room ...
Bretagnon, T. +5 more
core +2 more sources
Beilstein Journal of Nanotechnology, 2022 An efficient single-photon emitter (SPE) should emit photons at a high rate into a well-defined spatio-temporal mode along with an accessible numerical aperture (NA) to increase the light extraction efficiency that is required for effective coupling into
Felipe Ortiz-Huerta +1 more
doaj +1 more source
Microcavity-Integrated Graphene Photodetector
Nano Letters, 2012 There is an increasing interest in using graphene (1, 2) for optoelectronic applications. (3-19) However, because graphene is an inherently weak optical absorber (only ≈2.3% absorption), novel concepts need to be developed to increase the absorption and take full advantage of its unique optical properties.
Furchi, M +10 more
openaire +3 more sources
Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics
Advanced Materials, EarlyView.The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades +7 more
wiley +1 more source
Effects of Spin-Dependent Polariton-Polariton Interactions in Semiconductor Microcavities: Spin Rings, Bright Spatial Solitons and Soliton Patterns [PDF]
, 2013 Semiconductor microcavity polaritons are composite half-light half-matter quasiparticles that arise from strong coupling of photons and excitons in semiconductor microcavities.
Sich, Maksym
core
Ultrahigh–Q Microtoroid On-Chip Resonators for Low Threshold Microlasers [PDF]
, 2006 Recently demonstrated silica toroidal microcavities, as on-chip resonant cavities, become one of the most promising laser resonators due to their exceptional ability to confine optical energy temporarily and spatially (high Q-factor and small mode volume)
Min, Bumki
core +1 more source
Ceramics, 2023 Electroluminescence of metal halide perovskites has been widely reported via the fabrication and optimization of light-emitting diodes and light-emitting transistors. Light-emitting transistors are particularly interesting owing to the additional control
Francesco Scotognella
doaj +1 more source
Directional Flow of Confined Polaritons in CrSBr
Advanced Materials, EarlyView.CrSBr, a layered magnetic semiconductor, naturally channels self‐hybridized excitonpolaritons into highly directional flow. Its intrinsic optical anisotropy, high refractive index, and strong lightmatter coupling enable long‐range guided modes along the a‐axis, with propagation lengths set by their excitonphoton admixture.
Pratap Chandra Adak +10 more
wiley +1 more source
Nanosphere-patterned Gallium Nitride Optical Microcavities [PDF]
, 2014 link_to_subscribed_fulltex
Li, KH, Choi, HW
core +1 more source