Results 51 to 60 of about 4,096,125 (206)

Beam self-cleaning and fluctuation dynamics in graded-index multimode optical fibers [PDF]

EPJ Web of Conferences
Beam self-cleaning in multimode fibers leads to the emergence of a stable, fundamental-mode-dominated beam from a complex input field. A reduction of shot-to-shot fluctuations with increasing power supports its interpretation as a statistically driven, i.
Cirimele Alessia, Mora Fernandez Nelson Manuel, Mazzulla Alfredo, Pagliusi Pasquale, Kibler Bertrand, Millot Guy, Cipparrone Gabriella, Ferraro Mario   +7 more
doaj   +1 more source

Cascaded Generation in Multimode Diode-Pumped Graded-Index Fiber Raman Lasers

Photonics, 2021
We review our recent experimental results on the cascaded Raman conversion of highly multimode laser diode (LD) pump radiation into the first- and higher-order Stokes radiation in multimode graded-index fibers.
Alexey G. Kuznetsov, Ilya N. Nemov, Alexey A. Wolf, Ekaterina A. Evmenova, Sergey I. Kablukov, Sergey A. Babin   +5 more
doaj   +1 more source

Circularly Polarized Electroluminescence and Spin‐Polarized Carrier Transport in Chiral‐Doped Polymer Films

Advanced Functional Materials, EarlyView.
Chiral dopants induce supramolecular chirality in an achiral polymer (PFO), generating spin‐polarized carriers via the chiral‐induced spin selectivity (CISS) and suggesting a possible contribution of Spin‐polarized carrier transport to circularly polarized electroluminescence (CPEL).
Kazuyuki Asahi, Masashi Hasegawa, Yuuya Nagata, Tamaki Nakano, Hiroyuki Nishikawa   +4 more
wiley   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Study of Optical Fiber Design Parameters in Fiber Optics Communications

Kurdistan Journal of Applied Research, 2017
Fiber optics is an important part in the telecommunication infrastructure. Large bandwidth and low attenuation are features for the fiber optics to provide gigabit transmission.
Salim Qadir Mohammed, Asaad M. Asaad M. Al-Hindawi   +1 more
doaj   +1 more source

All‐Amyloid Functional Coacervates

Advanced Materials, EarlyView.
This study introduces an all‐amyloid interfacial complex coacervate technique that employs charge‐mediated or functionalization‐assisted complexation of oppositely charged food protein‐derived amyloid nanofibrils to engineer functional soft constructs across multiple length scales.
Seyyed Alireza Hashemi, Mohammad Peydayesh, Laura Baraldi, Mohammad Arjmand, Raffaele Mezzenga   +4 more
wiley   +1 more source

Optical Bend Sensor Based on Eccentrically Micro-Structured Multimode Polymer Optical Fibers

IEEE Photonics Journal, 2021
We report on a novel bend sensor with high flexibility and elasticity based on Bragg grating structures in polymer optical fibers to detect bending for the measurement of movement.
Lennart Leffers, Julia Locmelis, Kort Bremer, Bernhard Roth, Ludger Overmeyer   +4 more
doaj   +1 more source

Toward Perception‐Native Electronic Skin: Bio‐Inspired In‐/Near‐Sensor and Neuromorphic Computing for Humanoid Robots

Advanced Materials Technologies, EarlyView.
Dense tactile streams from across the humanoid body converge on collide in a central wiring and data bottleneck. By relocating computation closer to and then into the skin itself, near‐ and in‐sensor architectures, together with neuromorphic computing, chart a path toward perception‐native electronic skin, in which the conversion of stimulus into ...
Mijin Kim, Chang‐Jae Beak, Jiyoung Park, Youngdo Jung, Sunjong Oh, Sin‐Hyung Lee, Bo‐Yeon Lee   +6 more
wiley   +1 more source

Supercontinuum generation in a graded-index multimode tellurite fiber

Optics Letters
We report the generation of a broadband supercontinuum (SC) from 790 to 2900 nm in a tellurite graded-index (GRIN) multimode fiber with a nanostructured core. We study the SC dynamics in different dispersion regimes and observe near-single-mode spatial intensity distribution at high input energy values. Numerical simulations of the (3 + 1)D generalized
Ekaterina Krutova, Lauri Salmela, Zahra Eslami, Tanvi Karpate, Mariusz Klimczak, Ryszard Buczynski, Goëry Genty   +6 more
openaire   +5 more sources

On‐Chip Photonic Neural Network Architectures

Advanced Optical Materials, EarlyView.
This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong, Berkay Neseli, Seungyeon Cho, Seungsoo Lee, Yeonjun Kim, Seungyoon Choi, Hyo‐Hoon Park, Hamza Kurt   +7 more
wiley   +1 more source