Results 91 to 100 of about 329,754 (334)

Enhanced Terahertz Spectroscopy of a Monolayer Transition Metal Dichalcogenide

Advanced Functional Materials, EarlyView.
An ad‐hoc engineered metallic surface is employed to perform enhanced terahertz spectroscopy of a monolayer transition metal dichalcogenide (TMD). Thanks to a local absorption boost of 104, this technique allows for the extraction of the phonon resonance features and effective permittivity of the 2D material, paving the way for the rational design of ...
Xin Jin, Vincenzo Aglieri, Young‐Gyun Jeong, Atiye Pezeshki, Lilian Skokan, Mostafa Shagar, Yuechen Jia, Pablo Bianucci, Andreas Ruediger, Emanuele Orgiu, Andrea Toma, Luca Razzari   +11 more
wiley   +1 more source

Switching From Acceptor to FRET Donor: How the Organic Solar Cell Architecture Can Change the Role of a Chromophore

Advanced Functional Materials, EarlyView.
The non‐fullerene acceptor o‐IDT‐BT‐DCV is used in both binary and ternary blends to investigate the role that it plays in each device architecture. The charge generation pathways are found to differ between the binary and ternary blends with o‐IDT‐BT‐DCV becoming a second donor in the ternary blend.
Hui Jin, Neil Mallo, Guanran Zhang, Oliver Lindsay, Ronan Chu, Mile Gao, Shaun McAnally, Isaac M. Etchells, Paul L. Burn, Ian R. Gentle, Paul E. Shaw   +10 more
wiley   +1 more source

0.52 V mm ITO-based Mach-Zehnder modulator in silicon photonics

APL Photonics, 2018
Electro-optic modulators transform electronic signals into the optical domain and are critical components in modern telecommunication networks, RF photonics, and emerging applications in quantum photonics, neuromorphic photonics, and beam steering.
Rubab Amin, Rishi Maiti, Caitlin Carfano, Zhizhen Ma, Mohammad H. Tahersima, Yigal Lilach, Dilan Ratnayake, Hamed Dalir, Volker J. Sorger   +8 more
doaj   +1 more source

Vivid Structural Coloration in Transparent MXene‐Cellulose Nanocrystals Composite Films

Advanced Functional Materials, EarlyView.
Vivid structural coloration in reflectance and high transparency in transmittance modes are observed in biopolymer‐layered composite films. The ultrathin multilayered structures have unique optical appearance, near‐infrared bandgap, and strong optical reflection caused by alternating MXene and cellulose nanocrystals layers with high refractive index ...
Botyo Dimitrov, Valeriia Poliukhova, Claire Joo, Madeline Buxton, Irina Roslyk, Yury Gogotsi, Jacob Crossno, Kirt A. Page, Hilmar Koerner, Dhriti Nepal, Michael E. McConney, Timothy J. Bunning, Vladimir V. Tsukruk   +12 more
wiley   +1 more source

Advances in Radiative Heat Transfer: Bridging Far‐Field Fundamentals and Emerging Near‐Field Innovations

Advanced Functional Materials, EarlyView.
This review synthesizes the evolution of radiative heat transfer, emphasizing the transition from far‐field to near‐field regimes. Traditional frameworks, such as Planck's law, are revisited alongside modern innovations like fluctuational electrodynamics. Applications span nanoscale thermal management, energy harvesting, and thermophotovoltaic systems.
Ambali Alade Odebowale, Andergachew Berhe, Rasheed T. Ogundare, Salah Abdo, Amer Abdulghani, Haroldo T. Hattori, Andrey E. Miroshnichenko   +6 more
wiley   +1 more source

Silicon photonics for telecom and data-com applications

Opto-Electronic Advances, 2020
In recent decades, silicon photonics has attracted much attention in telecom and data-com areas. Constituted of high refractive-index contrast waveguides on silicon-on-insulator (SOI), a variety of integrated photonic passive and active devices have been
Asakawa Kiyosh, Sugimoto Yoshimasa, Nakamura Shigeru   +2 more
doaj   +1 more source

Mean Number and Number Variance of Squeezed Coherent Photons In a Thermal State of Photons [PDF]

Armenian Journal of Physics, 2020, vol. 13, issue 1, pp. 31-37, 2020
We consider the equilibrium thermal state of photons and determine the mean number and number variance of squeezed coherent photons. We use an integral representation for electro-magnetic radiation applicable both to systems in equilibrium and to systems in nonequilibrium to determine the spectral function of the radiation.
arxiv  

Waveguide single-photon detectors for integrated quantum photonic circuits [PDF]

, 2011
The generation, manipulation and detection of quantum bits (qubits) encoded on single photons is at the heart of quantum communication and optical quantum information processing. The combination of single-photon sources, passive optical circuits and single-photon detectors enables quantum repeaters and qubit amplifiers, and also forms the basis of all ...
arxiv   +1 more source

MXene 3D/4D Printing: Ink Formulation and Electrochemical Energy Storage Applications

Advanced Functional Materials, EarlyView.
A comprehensive study of MXene printing technique is presented, focusing on MXene ink formulation, surface chemistry, rheological characteristics, physical storage, and ink stability. Different printing techniques, such as 3D/4D printing, screen printing, inkjet printing, and continuous liquid interface production printing along with their applications
Shaista Nouseen, Martin Pumera
wiley   +1 more source

Fabrication and Characterization of On-Chip Integrated Silicon Photonic Bragg Grating and Photonic Crystal Cavity Thermometers [PDF]

arXiv, 2015
We report on the fabrication and characterization of photonic-based nanothermometers, a silicon photonic Bragg grating and photonic crystal cavity. When cladded with silicon dioxide layer the sensors have at least eight times better sensitivity compared to the sensitivity of conventional fiber Bragg grating sensors.
arxiv