Results 41 to 50 of about 15,014 (299)
Advanced Functional Materials, EarlyView.Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner +14 more
wiley +1 more source
Fast Terahertz Computed-Tomography Imaging With a Quantum-Cascade Laser and a Scanning Mirror
, 2013 A terahertz transmission imaging system based on a quantum-cascade laser (QCL), a fast scanning mirror, and a sensitive Ge:Ga detector is demonstrated. In order to reduce artifacts, special care was taken on the optics and the conversion of the measured
H.-W. Hubers +11 more
core +1 more source
Engineering Multi-Section Quantum Cascade Lasers for Broadband Tuning
Photonics, 2016 In an effort to overcome current limitations to electrical tuning of quantum cascade lasers, a strategy is proposed which combines heterogeneous quantum cascade laser gain engineering with sampled grating architectures.
Steven Slivken, Manijeh Razeghi
doaj +1 more source
Millimeter wave photonics with terahertz semiconductor lasers
Nature Communications, 2021 Photonic solutions for generating free space millimeter radiation is a fast developing field that combines optoelectronics and RF domains but has many challenges.
Valentino Pistore +12 more
doaj +1 more source
Quantum cascade lasers grown on silicon [PDF]
Scientific Reports, 2018 AbstractTechnological platforms offering efficient integration of III-V semiconductor lasers with silicon electronics are eagerly awaited by industry. The availability of optoelectronic circuits combining III-V light sources with Si-based photonic and electronic components in a single chip will enable, in particular, the development of ultra-compact ...
Nguyen-Van, Hoang +11 more
openaire +5 more sources
Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy
Advanced Materials, EarlyView.Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa +3 more
wiley +1 more source
, 2010 We report on the development of a compact, easy-to-use terahertz radiation source, which combines a quantum cascade laser (QCL) operating at 3.1 THz with a compact, low input-power Stirling cooler.
Semenov, Alexey +10 more
core +1 more source
A Sulfur Hexafluoride Sensor Using Quantum Cascade and CO2 Laser-Based Photoacoustic Spectroscopy
Sensors, 2010 The increase in greenhouse gas emissions is a serious environmental problem and has stimulated the scientific community to pay attention to the need for detection and monitoring of gases released into the atmosphere.
Helion Vargas +6 more
doaj +1 more source
Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials
Advanced Materials, EarlyView.A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella +3 more
wiley +1 more source
Interband cascade lasers for the mid-infrared spectral region
, 2014 Financial support of this work by the German Ministry of Education and Research (FKZ: 13N12440) and by the European Commission in the framework of the FP7 project 'WideLase’ (grant no.
Dallner, M. +7 more
core +1 more source