Results 71 to 80 of about 129,350 (342)

Ultrasensitive and fast photoresponse in graphene/silicon-on-insulator hybrid structure by manipulating the photogating effect

Nanophotonics, 2020
The hybrid structures of graphene with semiconductor materials based on photogating effect have attracted extensive interest in recent years due to the ultrahigh responsivity.
Jiang Hao, Nie Changbin, Fu Jintao, Tang Linlong, Shen Jun, Sun Feiying, Sun Jiuxun, zhu Meng, Feng Shuanglong, Liu Yang, Shi Haofei, Wei Xingzhan   +11 more
doaj   +1 more source

Self phase modulation in Highly nonlinear hydrogenated amorphous silicon [PDF]

, 2010
We study self phase modulation in submicron amorphous silicon-on-insulator waveguides. We extract both the real and imaginary part of the nonlinear parameter gamma from a 1 cm long waveguide with a cross-section of 500x220nm(2).
Baets, Roel, Bogaerts, Wim, Clemmen, Stéphane, Kuyken, Bart, Massar, S, Numkam, E, Roelkens, Günther, Selvaraja, shankar kumar   +7 more
core   +2 more sources

All‐in‐One Analog AI Hardware: On‐Chip Training and Inference with Conductive‐Metal‐Oxide/HfOx ReRAM Devices

Advanced Functional Materials, EarlyView.
An all‐in‐one analog AI accelerator is presented, enabling on‐chip training, weight retention, and long‐term inference acceleration. It leverages a BEOL‐integrated CMO/HfOx ReRAM array with low‐voltage operation (<1.5 V), multi‐bit capability over 32 states, low programming noise (10 nS), and near‐ideal weight transfer.
Donato Francesco Falcone, Victoria Clerico, Wooseok Choi, Tommaso Stecconi, Folkert Horst, Laura Bégon‐Lours, Matteo Galetta, Antonio La Porta, Nikhil Garg, Fabien Alibart, Bert Jan Offrein, Valeria Bragaglia   +11 more
wiley   +1 more source

Lighting up silicon nanoparticles with Mie resonances

Nature Communications, 2018
As an indirect semiconductor, silicon shows notoriously inefficient luminescence. Here, the authors utilize the Mie resonances in silicon nanoparticles to demonstrate visible white-light emission, both from free-standing spheres and particles etched on a
Chengyun Zhang, Yi Xu, Jin Liu, Juntao Li, Jin Xiang, Hui Li, Jinxiang Li, Qiaofeng Dai, Sheng Lan, Andrey E. Miroshnichenko   +9 more
doaj   +1 more source

Modulating Two‐Photon Absorption in a Pyrene‐Based MOF Series: An In‐Depth Investigation of Structure–Property Relationships

Advanced Functional Materials, EarlyView.
This study investigates H4TBAPy‐based metal–organic frameworks (MOFs) ‐ NU‐1000, NU‐901, SrTBAPy, and BaTBAPy ‐ for multiphoton absorption (MPA) performance. It observes topology‐dependent variations in the 2PA cross‐section, with BaTBAPy exhibiting the highest activity.
Simon N. Deger, Helmy Pacheco Hernandez, Yang Cui, Hongxing Hao, Vanessa Ramm, David C. Mayer, Khai‐Nghi Truong, Roland A. Fischer, Jürgen Hauer, Mariana Kozlowska, Alexander Pöthig   +10 more
wiley   +1 more source

Hyperuniform disordered waveguides and devices for near infrared silicon photonics

Scientific Reports, 2019
We introduce a hyperuniform-disordered platform for the realization of near-infrared photonic devices on a silicon-on-insulator platform, demonstrating the functionality of these structures in a flexible silicon photonics integrated circuit platform ...
Milan M. Milošević, Weining Man, Geev Nahal, Paul J. Steinhardt, Salvatore Torquato, Paul M. Chaikin, Timothy Amoah, Bowen Yu, Ruth Ann Mullen, Marian Florescu   +9 more
doaj   +1 more source

A Low-Noise X-ray Astronomical Silicon-On-Insulator Pixel Detector Using a Pinned Depleted Diode Structure

Italian National Conference on Sensors, 2017
This paper presents a novel full-depletion Si X-ray detector based on silicon-on-insulator pixel (SOIPIX) technology using a pinned depleted diode structure, named the SOIPIX-PDD.
H. Kamehama, S. Kawahito, S. Shrestha, S. Nakanishi, K. Yasutomi, A. Takeda, T. Tsuru, Y. Arai   +7 more
semanticscholar   +1 more source

GaSb-based integrated lasers and photodetectors on a silicon-on-insulator waveguide circuit for sensing applications in the shortwave infrared [PDF]

, 2012
We report our results on GaSb photodiodes and lasers integrated on a Silicon-On-Insulator waveguide circuit. The photodiodes operate at room temperature with 0.4A/W responsivity for grating-assisted coupling and >1 A/W for an evanescent design.
Cerutti, L, Gassenq, Alban, Hattasan, Nannicha, Rodriguez, JB, Roelkens, Günther, Tournie, E   +5 more
core   +1 more source

Tuning the Dielectric Properties of Individual Clay Nanosheets by Interlayer Composition: Toward Nano‐Electret Materials

Advanced Functional Materials, EarlyView.
The dielectric properties of clays are studied on the level of individual monolayers and functional double stacks. The material breakdown characteristics and charge storage performance are analyzed. For illustration, a defined charge pattern representing a cuneiform character is produced, written into a microscopic clay tile, referencing the origins of
Sebastian Gödrich, Paul Markus, Matthias Stöter, Bernhard Biersack, Rainer Schobert, Josef Breu, Georg Papastavrou   +6 more
wiley   +1 more source

Drag of electron–hole bilayer in silicon-on-insulator metal-oxide-semiconductor field-effect transistor at low temperature

Applied Physics Express
Drag between the electron and the hole layers formed in a silicon-on-insulator MOSFET, with the estimated interlayer distance as small as 18 nm, is investigated.
Nabil Ahmed, Manjakavahoaka Razanoelina, Masahiro Hori, Akira Fujiwara, Yukinori Ono   +4 more
doaj   +1 more source