Results 51 to 60 of about 2,541,468 (293)

FM Mode-Locking Fiber Laser [PDF]

Engineering and Technology Journal, 2008
In this paper the study of Frequency Modulation Harmonic Mode-locking forYtterbium Doped Fiber Laser is presented. The model studied, uses ytterbium-doped,single mode fiber pumped by 976 nm laser source is used with 150 mW pumpingpower to produce 1055 nm
Inmar N. Ghazi, Waleed Y. Hussein, Salam Sami M. Salih   +2 more
doaj   +1 more source

The link between coherence echoes and mode locking [PDF]

, 2019
We investigate the appearance of sharp pulses in the mean field of Kuramoto-type globally- coupled phase oscillator systems. In systems with exactly equidistant natural frequencies self- organized periodic pulsations of the mean field, called mode ...
Sebastian Eydam, Matthias Wolfrum, Eydam, Sebastian, Wolfrum, Matthias   +3 more
core   +1 more source

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

Advanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena, J. Terence Blaskovits, Kun‐Han Lin, Denis Andrienko   +3 more
wiley   +1 more source

“Smelltronics”—From Gas to Smell Sensing

Advanced Materials, EarlyView.
The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono, Tsunaki Takahashi, Jiangyang Liu, Haruka Honda, Zeng Jing, Wataru Tanaka, Takuro Hosomi, Takeshi Yanagida   +7 more
wiley   +1 more source

Passively harmonic mode-locking in an Erbium-doped fiber laser based on carbon nanotubes film at repetition rates to 500MHz [PDF]

, 2017
Passively harmonic mode-locking (HML) of an Erbium-doped fiber laser using carbon nanotubes polyvinyl alcohol (CNTs-PVA) film is presented. The 20th harmonic mode-locking pulses at 500MHz repetition rate with 42dB super-mode suppression ratio (SMSR) are ...
Chuanhang Zou, Mou, Chengbo, Mohammed AlAraimi, Aleksey Rozhin, Chengbo Mou, Qianqian Huang, Al Araimi, Mohammed, Rozhin, Aleksey, Tianxing Wang, Wang, Tianxing, Zou, Chuanhang, Huang, Qianqian   +11 more
core   +1 more source

Generating Unconventional Spin‐Orbit Torques With Patterned Phase Gradients in Tungsten Thin Films

Advanced Materials, EarlyView.
ABSTRACT A key aim in spintronics is to achieve current‐induced magnetization switching via spin‐orbit torques without external magnetic fields. For this, the focus of recent work has been on introducing controlled lateral gradients across ferromagnet/heavy‐metal devices, giving variations in thickness, composition, or interface quality.
Lauren J. Riddiford, Anne Flechsig, Shilei Ding, Emir Karadža, Niklas Kercher, Tobias Goldenberger, Elisabeth Müller, Pietro Gambardella, Laura J. Heyderman, Aleš Hrabec   +9 more
wiley   +1 more source

Analysis of harmonic (sub-)THz passive mode locking in monolithic compound cavity Fabry-Perot and ring laser diodes

, 1999
The authors analyse harmonic mode-locking at (sub)terahertz frequencies in linear Fabry-Perot compound-cavity laser diodes (theoretically), and in ring structures (experimentally and theoretically) and compare these lasers with other constructions used ...
Avrutin, EA, Pottinger, H, Arnold, JM, Krauss, Thomas Fraser, Rue, RM, Marsh, JH   +5 more
core   +3 more sources

Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix

Advanced Materials, EarlyView.
3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández, Iason Konstantinos‐Douveas, Claas Abert, Elina Zhakina, Sandra Ruiz‐Gómez, Claudia Fernández‐González, Luke Alexander Turnbull, Sebastian Wintz, Markus König, Simone Finizio, Markus Weigand, Naëmi Leo, Dieter Suess, Aurelio Hierro‐Rodríguez, Amalio Fernández‐Pacheco, Claire Donnelly   +15 more
wiley   +1 more source

Defect‐Templated Phase Engineering in Atomically Thin Metals

Advanced Materials, EarlyView.
Graphene defects are transformed from passive imperfections into programmable templates for phase‐selective growth of atomically thin silver. Plasma‐generated boundary defects favor Ag(1), whereas sp3‐rich zero‐layer graphene promotes Ag(2). This defect‐directed intercalation links local graphene chemistry to crystalline phase, electronic structure ...
Arpit Jain, Boyang Zheng, Sawani Datta, Kanchan Ulman, Jakob Henz, Matthew Wei‐Jun Liu, Van Dong Pham, Wen He, Chengye Dong, Li‐Syuan Lu, Alexander Vera, Nader Sawtarie, Wesley Auker, Ke Wang, Bob Hengstebeck, Zachary W. Henshaw, Shreya Mathela, Maxwell Wetherington, William H. Blades, Kenneth Knappenberger, Ursula Wurstbauer, Su Ying Quek, Ulrich Starke, Shengxi Huang, Vincent H. Crespi, Joshua A. Robinson   +25 more
wiley   +1 more source

Linear cavity fiber laser harmonically mode-locked with SESAM

Laser Physics Letters, 2020
Abstract A linear cavity picosecond Er-fiber laser, which was passively and harmonically mode-locked with SESAM, is demonstrated. The advantage of the proposed configuration is the fast tuning of the pulse repetition rate in the range from tens of MHz to 1 GHz, realized by varying the pump power without any additional adjustment of ...
Stolyarov, D.A., Itrin, P.A., Ribenek, V.A., Korobko, D.A., Fotiadi, Andrei   +4 more
openaire   +2 more sources