Results 141 to 150 of about 308,424 (390)

Low-Polarization, Broad-Spectrum Semiconductor Optical Amplifiers

Nanomaterials
Polarization-insensitive semiconductor optical amplifiers (SOAs) in all-optical networks can improve the signal-light quality and transmission rate. Herein, to reduce the gain sensitivity to polarization, a multi-quantum-well SOA in the 1550 nm band is ...
Meng Zhang, Tianyi Zhang, Hui Tang, Lei Liang, Yongyi Chen, Li Qin, Yue Song, Yuxin Lei, Peng Jia, Yubing Wang, Cheng Qiu, Yuntao Cao, Yongqiang Ning, Lijun Wang   +13 more
doaj   +1 more source

Electronic bandstructure and optical gain of lattice matched III-V dilute nitride bismide quantum wells for 1.55 $\mu$m optical communication systems

, 2016
Dilute nitride bismide GaNBiAs is a potential semiconductor alloy for near- and mid-infrared applications, particularly in 1.55 $\mu$m optical communication systems.
Chuang S. L., D. H. Zhang, Sumanta Bose, W. J. Fan   +3 more
core   +1 more source

Strain Partitioning at the Oxide Interface for the Isothermal Phase Transition in Freestanding Tri‐Layers

Advanced Functional Materials, EarlyView.
The metal–insulator transition temperature (TMI) is continuously tuned by the systematic change of relative thickness in VO2 and TiO2 films (tVO2/tTiO2${t_{{\mathrm{V}}{{\mathrm{O}}_2}}}/{t_{{\mathrm{Ti}}{{\mathrm{O}}_2}}}$) in freestanding TiO2/VO2/TiO2 tri‐layers.
Sungwon Lee, Dong Kyu Lee, Yunkyu Park, Hyeji Sim, Si‐Young Choi, Junwoo Son   +5 more
wiley   +1 more source

Ionic Metal Poly(heptazine Imides) and Single‐Atoms Interplay: Engineered Stability and Performance for Photocatalysis, Photoelectrocatalysis and Organic Synthesis

Advanced Functional Materials, EarlyView.
Poly(heptazine) imides (PHIs), a crystalline carbon nitride subclass, intercalate metals to deliver high stability, tunable electronics, and efficient charge separation. These features enable solar‐driven applications such as hydrogen evolution, CO₂ reduction, and organic synthesis.
Gabriel A. A. Diab, Izadora F. Reis, Chong Wang, Diandra Barreto, Oleksandr Savateev, Ivo F. Teixeira, Pablo Jiménez‐Calvo   +6 more
wiley   +1 more source

Absorption and gain spectra of optically excited semiconductor quantum wires: Effects of Coulomb correlation and screening [PDF]

, 2006
Ping Huai, Tetsuo Ogawa
openalex   +1 more source

Giant optical gain in a rare-earth-ion-doped waveguide amplifier [PDF]

, 2011
For optical amplification, typically rare-earth-ion (RE) doped fiber amplifiers (RDFA) or semiconductor optical amplifiers (SOAs) are selected. Despite the weak transition cross-sections of RE ions and their low doping level in silica fibers, resulting ...
Aravazhi, S., Garcia Blanco, S.M., Geskus, D., Pollnau, M.   +3 more
core   +2 more sources

Breaking the Capacity Limit for WO3 Anode‐Based Li‐Ion Batteries Using Photo‐Assisted Charging

Advanced Functional Materials, EarlyView.
This image illustrates a photo‐assisted rechargeable lithium‐ion battery. (a) shows the battery structure, where light enhances electron‐hole generation in the anode, boosting ion flow. (b) compares discharging performance, revealing over 60% higher capacity under light compared to dark conditions, showcasing the benefit of light‐assisted energy ...
Rabia Khatoon, Mudasar Nazir, Richard T. Baker, Mathew Billing, Shumaila Babar, Suela Kellici, Steve Dunn, Muhammad Tariq Sajjad   +7 more
wiley   +1 more source

Effects of Temperature Annealing on the Intrinsic Transport Mechanisms of Solution Processed Graphene Nanosheet Networks

Advanced Functional Materials, EarlyView.
Unravelling charge transport mechanisms in graphene nanosheet networks: by combining temperature‐dependent conductivity measurements with a Random Resistor Network model, this study identifies a transition from hopping‐dominated conduction to a band‐like transport mechanism.
Alessandro Grillo, Alejandro Toral‐Lopez, Damiano Marian, Aniello Pelella, Zixing Peng, Jingjing Wang, Enver Faella, Maurizio Passacantando, Antonio Di Bartolomeo, Gianluca Fiori   +9 more
wiley   +1 more source

Analysis of Mode Characteristics in Semiconductor Lasers With Asymmetric Coupled Cavities Based on Quasi Parity-Time

IEEE Photonics Journal
This study presents a novel asymmetrically coupled cavity (ACC) semiconductor laser structure designed to achieve stable single-mode operation in wider ridge waveguides, enhancing output power.
Tianqi Zhang, Yinli Zhou, Gaohui Yuan, Jingfei Mu, Jianwei Zhang, Chao Chen, Zhuo Zhang, Tianjiao Liu, Xiaoyan Gao, Yu Cao, Yongqiang Ning, LiJun Wang   +11 more
doaj   +1 more source

GaAs-based optoelectronic neurons [PDF]

, 1993
An integrated, optoelectronic, variable thresholding neuron implemented monolithically in GaAs integrated circuit and exhibiting high differential optical gain and low power consumption is presented.
Kim, Jae H., Lin, Steven H., Psaltis, Demetri   +2 more
core   +1 more source