Results 51 to 60 of about 18,598 (289)

Generation of Bright-Dark Soliton Pairs in Mode-Locked Fiber Laser Based on Molybdenum Diselenide

IEEE Access, 2020
In this article, molybdenum diselenide (MoSe2) was fabricated by chemical vapor deposition (CVD) with a modulation depth of about 7.3% and nonsaturable loss of about 30.6%.
Xiaofa Wang, Huihui Han, Dongxin Liu
doaj   +1 more source

Recurrent cancer‐associated ERBB4 mutations are transforming and confer resistance to targeted therapies

Molecular Oncology, EarlyView.
We show that the majority of the 18 analyzed recurrent cancer‐associated ERBB4 mutations are transforming. The most potent mutations are activating, co‐operate with other ERBB receptors, and are sensitive to pan‐ERBB inhibitors. Activating ERBB4 mutations also promote therapy resistance in EGFR‐mutant lung cancer.
Veera K. Ojala, Sini Ahonen, Sara Peltola, Aura Tuohisto‐Kokko, Olaya Esparta, Peppi Suominen, Anne Jokilammi, Iman Farahani, Deepankar Chakroborty, Nikol Dibus, Steffen Boettcher, Tomi T. Airenne, Mark S. Johnson, Lisa D. Eli, Klaus Elenius, Kari J. Kurppa   +15 more
wiley   +1 more source

PMMA Sandwiched Bi2Te3 Layer as a Saturable Absorber in Mode-Locked Fiber Laser

Advances in Condensed Matter Physics, 2018
In this paper, we fabricated a PMMA sandwiched Bi2Te3 self-assembly layer as a saturable absorber device, which was used as a passive mode locker for ultrafast pulse generation at the telecommunication band.
Guobao Jiang, Yuan Zhou, Lulu Wang, Ying Chen   +3 more
doaj   +1 more source

Topological Insulator: $\hbox{Bi}_{2}\hbox{Te}_{3}$ Saturable Absorber for the Passive Q-Switching Operation of an in-Band Pumped 1645-nm Er:YAG Ceramic Laser

IEEE Photonics Journal, 2013
An in-band pumped 1.645-μm Er:YAG ceramic laser passively Q-switched by a topological insulator: Bi2Te3 saturable absorber is reported. The average output power could reach up to 210 mW, corresponding to a pulsewidth, a pulse repetition rate, and ...
Pinghua Tang, Xiaoqi Zhang, Chujun Zhao, Yong Wang, Han Zhang, Deyuan Shen, Shuangchun Wen, Dingyuan Tang, Dianyuan Fan   +8 more
doaj   +1 more source

Rethinking plastic waste: innovations in enzymatic breakdown of oil‐based polyesters and bioplastics

FEBS Open Bio, EarlyView.
Plastic pollution remains a critical environmental challenge, and current mechanical and chemical recycling methods are insufficient to achieve a fully circular economy. This review highlights recent breakthroughs in the enzymatic depolymerization of both oil‐derived polyesters and bioplastics, including high‐throughput protein engineering, de novo ...
Elena Rosini, Nicolò Antonelli, Gianluca Molla   +2 more
wiley   +1 more source

Large energy soliton erbium-doped fiber laser with a graphene-polymer composite mode locker

, 2009
Due to its unique electronic property and the Pauli Blocking Principle, atomic layer graphene possesses wavelength-independent ultrafast saturable absorption, which can be exploited for the ultrafast photonics application.
Bao, Qiaoliang, Loh, Kianping, Tang, Dingyuan, Zhang, Han, Zhao, Luming   +4 more
core   +1 more source

All-fibre mode-locked laser using SMF-GIMF-SMF structure as artificial saturable absorber

Results in Optics
In this work, we proposed and experimentally demonstrated a combination of single mode fibre (SMF) with graded indexed multimode fibre (GIMF) to form an artificial saturable absorber. A SMF-GIMF-SMF structure is incorporated into Erbium-doped fibre laser
Yu Chen, Zian Cheak Tiu, Ahmad Haziq A. Rosol, Sin Jin Tan, Kaharudin Dimyati, Sulaiman Wadi Harun   +5 more
doaj   +1 more source

Study of a Graphene Saturable Absorber Film Fabricated by the Optical Deposition Method

IEEE Photonics Journal, 2019
A film composed of graphene saturable absorber ($GSA$) prepared for a passive mode-locking (PML) fiber laser is successfully fabricated by an optical deposition method.
Xinyue Zhu, Shufen Chen
doaj   +1 more source

Layered Ta₂NiS₅ Q-Switcher for Mid-Infrared Fluoride Fiber Laser

IEEE Photonics Journal, 2021
We have demonstrated the stable Q-switched Er-doped fluoride fiber laser with the help of the few-layered Ta2NiS5 in the mid-infrared spectral range. We fabricated the mid-infrared saturable absorber mirror (SAM) by depositing the layered Ta2NiS5 on a ...
Qinwen Duan, Lingling Yang, Yuan He, Longlong Chen, Jie Li, Lili Miao, Chujun Zhao   +6 more
doaj   +1 more source

Hopfield Neural Networks for Online Constrained Parameter Estimation With Time‐Varying Dynamics and Disturbances

International Journal of Adaptive Control and Signal Processing, EarlyView.
This paper proposes two projector‐based Hopfield neural network (HNN) estimators for online, constrained parameter estimation under time‐varying data, additive disturbances, and slowly drifting physical parameters. The first is a constraint‐aware HNN that enforces linear equalities and inequalities (via slack neurons) and continuously tracks the ...
Miguel Pedro Silva
wiley   +1 more source