Results 91 to 100 of about 2,802,672 (342)

When Poor Exciton Dissociation Limits Photocurrents in Organic Solar Cells: Why Low Offset Non‐Fullerene Acceptor Blends Can't Be Efficient

Advanced Materials, EarlyView.
The energetic offset between the donor and the acceptor components in organic photoactive layers is central to the tradeoff between photovoltage and photocurrent losses. This Perspective covers the most important issues surrounding this topic in non‐fullerene acceptor blends, from the difficulty of accurately determining state energies and driving ...
Dieter Neher, Manasi Pranav
wiley   +1 more source

Crosstalk-aware multiple-AWG based optical interconnects for datacenter networks

, 2018
This paper proposes a crosstalk-aware passive optical interconnect architecture based on multiple arrayed waveguide gratings (AWGs). With two-stage cascaded AWGs, it can realize the communications not only within but also among the clusters for large ...
He, Sailing,, Chen, Jiajia,, Yang Lu, Lu, Y., Sailing He, Dan Zhang, Zhang, D., Yu Gong, Jiajia Chen, Gong, Y., Hong, X., Xuezhi Hong, Yang, B., Bing Yang   +13 more
core   +1 more source

Epitaxially Integrated Electro‐Optic KNbO3 Thin Films on Silicon

Advanced Materials, EarlyView.
We demonstrate the first epitaxial integration of electro‐optic KNbO3 thin films on silicon using suboxide molecular‐beam epitaxy. Combining adsorption‐controlled molecular‐beam epitaxy, advanced characterization, and phase‐field modeling, we demonstrate phase‐pure crystalline films mirroring bulk crystals with robust Pockels response, enabling future ...
Sankalpa Hazra, Tobias Schwaigert, Yingxin Zhu, Aiden Ross, Muhammad Aminul Haque Chowdhury, Shun‐Li Shang, Sameer Singh, Zhiyu Zhang, Zhe Wang, Brynn Brower, Saugata Sarker, Suchismita Sarker, Zi‐Kui Liu, Rama K. Vasudevan, Long‐Qing Chen, Yang Yang, Darrell G. Schlom, Venkatraman Gopalan   +17 more
wiley   +1 more source

A 64 × 64 GaN Micro LED Monolithic Display Array: Fabrication and Light Crosstalk Analysis

Micromachines
Monolithic micro LED display arrays show potential for application in small-area display modules, such as augmented reality (AR) displays. Due to the short distance between micro LEDs and the monolithic transparent substrate, a light crosstalk phenomenon
Yang Xiao, Yuan Meng, Xiaoyu Feng, Longzhen He, Philip Shields, Sean Lee, Yanqin Wang, Zhifang Wang, Pingfan Ning, Hongwei Liu   +9 more
doaj   +1 more source

Optical crosstalk and other forms of light interference in pulse oximeter comparison studies. [PDF]

J Clin Monit Comput, 2023
Kyriacou PA.
europepmc   +1 more source

Soft and Transient Bioelectronics Enabled by Polymer‐Free Ti3C2Tx MXene Hydrogels

Advanced Materials, EarlyView.
We present Ti3C2Tx MXene hydrogel (MXgel) bioelectronics, a soft, flexible, and fully transient platform for high‐fidelity neural recording and stimulation. MXgel bioelectronics exhibit exceptional electrical conductivities, low electrochemical impedances, and high charge injection capacities.
Raghav Garg, Franco A. Laimo, Stefano Ippolito, Prastuti Upadhyay, Spencer R. Averbeck, Dimitris Boufidis, Charles‐Antoine Assenmacher, Dayo O. Adewole, Sai Panigrahy, Bita Soltan Mohammadlou, Lucy Plant, Yuan Zhang, Andrew G. Richardson, Yury Gogotsi, D. Kacy Cullen, Flavia Vitale   +15 more
wiley   +1 more source

Near‐Infrared Imaging of H2O2 in Plants With Nanosensors Under Environmentally Changing Conditions

Advanced Materials, EarlyView.
This paper reports a ratiometric nanosensor enabling robust, multivariate detection of stress signals (H2O2) in plants, with high resistance to light fluctuations and mechanical disturbances. Single‐walled carbon nanotubes serve as the sensor, Egyptian Blue nanosheets serve as a stable reference, and plant autofluorescence serves as a label‐free ...
Jiaqi Li, Bjoern F. Hill, Chen Ma, Juliana Gretz, Tanuja Kistwal, Janus A. C. Wartmann, Justus T. Metternich, Juan Pablo Giraldo, Sebastian Kruss   +8 more
wiley   +1 more source

Unorthodox propagation of higher-order modes in waveguide arrays [PDF]

EPJ Web of Conferences
Optical crosstalk between waveguides limits the miniaturization of photonic integrated circuits. Recently, it has been shown that the crosstalk in waveguide arrays can be significantly reduced using higher-order modes, opening a new avenue for decreasing
Hildén Panu, Yousry Fahmy, Shevchenko Andriy   +2 more
doaj   +1 more source

A Coaxial Bioprinted Hydrogel With Semipermeable Sheath and Pro‐Chondrogenic Core for Articular Cartilage Repair

Advanced Materials, EarlyView.
A sheath‐core biomimetic hydrogel is engineered with a compartmentalized yet integrated architecture for synergistic multifunctionality. Its stiff, semipermeable sheath mimics the ECM's load‐bearing and protective roles, encapsulating a soft core that provides a pro‐chondrogenic microenvironment similar to the PCM.
Zheyuan Shi, Hua Zhang, Jingying Hu, Guanrong Li, Dianqing Wang, Cuicui Su, Gordon G. Wallace, Qi Gu, Jun Chen, Yingchun Zhu   +9 more
wiley   +1 more source

Highly scalable optical TDM router using a computer controlled time slot selector with picosecond resolution [PDF]

, 1999
An OTDM router architecture using a highly scalable time slot tuner is discussed. Results for a 100-Gb/s, 16-channel router using a computer-controlled interface are presented.
Glesk, Ivan, Deng, K.-L., Runser, Robert J., Prucnal, P.R., Toliver, P.   +4 more
core   +2 more sources