Results 91 to 100 of about 27,403 (301)
Advanced Functional Materials, EarlyView.A quantum dot–tellurium thin‐film photodetector autonomously discriminates visible and infrared wavelengths through polarity‐reversible photoresponses. Engineered carrier separation and gain modulation enable filter‐free multispectral sensing within a single‐device architecture.
Yong Min Lee +7 more
wiley +1 more source
Microresonators for organic semiconductor and fluidic lasers
, 2007 This thesis describes a number of studies of microstructured optical resonators, designed with the aim of enhancing the performance of organic semiconductor lasers and exploring potential applications. The methodology involves the micro-engineering of
Vasdekis, Andreas E.
core
External cavity mode structure of a two-mode VCSEL subject to optical feedback
, 2007 We consider a multi-transverse-mode vertical-cavity surface-emitting laser (VCSEL) subject to optical feedback. The system is modeled by a partial differential equation for the spatial carrier population, which is coupled to delay differential equations ...
Green, K +5 more
core +1 more source
3D Printing Innovations in Polymeric Porous and Patterned Architecture
Advanced Functional Materials, EarlyView.Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil +13 more
wiley +1 more source
Compound laser modes of mutually delay-coupled lasers : bifurcation analysis of the locking region
, 2004 A system of two mutually delay-coupled semiconductor lasers with a small delay of 170 ps in the coupling is studied. Apart from a possible difference in their optical frequencies, we consider two identical lasers.
Lenstra, D, Erzgraber, H, Krauskopf, B
core
Advanced Functional Materials, EarlyView.This work develops polyacrylamide‐alginate (PAM‐Alg) double‐network hydrogel fibers for multimodal perception and intelligent human‐machine interfaces. The covalent‐ionic network provides high strength, toughness, and stable conductivity. Easily woven into wearables and integrated with soft robots, the fibers enable object and temperature recognitions ...
Yujue Yang +10 more
wiley +1 more source
Photonics Breakthroughs 2024: Narrow-Linewidth Lasers in the Visible and Near-Infrared
IEEE Photonics JournalNarrow-linewidth lasers enable a variety of high-precision applications, such as sensing, optical clocks, and microwave frequency generation. Advances in photonic integration in the last decade led to the development of ultra-low-noise integrated ...
Artem Prokoshin +4 more
doaj +1 more source
Single Transverse Whispering-Gallery Mode AlGaInAs/InP Hexagonal Resonator Microlasers
IEEE Photonics Journal, 2011 AlGaInAs/InP hexagonal resonator microlasers with an output waveguide connected to one vertex of the hexagon are fabricated using standard photolithography and inductively coupled plasma (ICP) etching process.
J. D. Lin +6 more
doaj +1 more source
Photonic crystals as functional mirrors for semiconductor lasers
, 2008 In recent years, interest has grown in the research fields of semiconductor lasers and photonic crystals. This thesis looks at integrating photonic crystals into existing semiconductor laser technology to act as functional laser mirrors.
Moore, Stephen A.
core
Blood Biomarkers and Surface‐Enhanced Raman Spectroscopy for Gout: A Comprehensive Review
Advanced Functional Materials, EarlyView.Schematic illustrating gout disease progression from asymptomatic hyperuricemia to chronic tophaceous disease, highlighting the limitations of conventional imaging and biochemical diagnostics and the potential of engineered SERS platforms for ultrasensitive blood‐based detection of urate‐related biomarkers across disease stages, with the color gradient
Isuri Perera +6 more
wiley +1 more source