Results 41 to 50 of about 5,447,837 (291)

Mode-resolved nonlinear absorption characteristics of few-mode fiber-multimode fiber-few-mode fiber structures

Optics Express
We report a systematic investigation on the mode-resolved nonlinear absorption characteristics of the few-mode fiber-multimode fiber-few-mode fiber (FMF) structure. Firstly, the transmission formulas of the FMF structure are derived, demonstrating that the transmission is mode-dependent.
Jia-Wen Wu, Jia-Hao Chen, Bing-Ye Zhang, Hu Cui, Zhi-Chao Luo, Wen-Cheng Xu, Ai-Ping Luo   +6 more
openaire   +2 more sources

Selective wavelength conversion in a few-mode fiber [PDF]

Optics Express, 2019
We experimentally demonstrate a means to selectively enhance wavelength conversion of WDM channels on a 100 GHz grid exploiting nonlinear effects between the spatial modes of a few mode fiber. The selectivity of parametric gain is obtained by dispersion design of the fiber such that the inverse group velocity curves of the participating modes are ...
Omar F. Anjum, Massimiliano Guasoni, Peter Horak, Yongmin Jung, Masato Suzuki, Takemi Hasegawa, Kyle Bottrill, David J. Richardson, Francesca Parmigiani, Periklis Petropoulos   +9 more
openaire   +3 more sources

Concentric-Ring-Assisted Multimode Fiber Supports Numerous High-Order LP Beams

Photonics
This study proposes and numerically investigates the design and characterization of a ring-assisted (RA) fiber supporting 11 LP mode groups and a concentric-ring-assisted (CRA) fiber supporting 13 LP mode groups.
Chengyang Zhu, Xi Zhang, Haixuan Xu, Jingwen Zhang, Shuqi Ma, Yize Liang   +5 more
doaj   +1 more source

Toward Pbit/s Optical Transmission: A Review of Few-Mode Fiber Demultiplexing Technologies [PDF]

ITM Web of Conferences
Because the global data traffic has grown so rapidly, the transmission capacity of traditional single-mode fibers has already approached the Shannon limit, which is why few-mode fiber (FMF), which exploit the orthogonality of spatial modes for mode ...
Lin Jingran
doaj   +1 more source

Quasi-single mode operated few-mode fiber for distributed acoustic sensing

, 2019
We experimentally report a proof-of-concept demonstration of a few-mode fiber (FMF) based distributed acoustic sensor (DAS) design, aiming at upgrading the capabilities of the typical DAS that employs the standard single mode fiber (SMF).
Frode Hveding, Muhammad Arsalan, Yuan Mao, Ashry, Islam, Ng, Tien Khee, Hveding, Frode, Boon S. Ooi, Mao, Yuan, Ooi, Boon S., Islam Ashry, Arsalan, Muhammad, Tien Khee Ng   +11 more
core   +1 more source

Triple-wavelength fiber ring laser based on a hybrid gain medium actively mode-locked at 10 GHz [PDF]

, 2008
A fiber ring laser based on a hybrid gain medium that produces three simultaneously mode-locked wavelength channels is presented. The lithium niobate based modulator used to actively mode-lock the laser cavity at 10 GHz is birefringence compensated to ...
Anandarajah, Prince M., Barry, Liam P., O'Riordan, Colm, C. O'Riordan, R. Maher, O\u27Riordan, Colm, P.M. Anandarajah, L.P. Barry, Connelly, Michael J., M.J. Connelly, Maher, Robert D.   +10 more
core   +2 more sources

Degradation mechanism of the von Willebrand factor A2 domain by nattokinase

FEBS Letters, EarlyView.
Nattokinase, a natto‐derived protease, exhibits potent antithrombotic effects. This study demonstrates that nattokinase directly cleaves the von Willebrand factor (vWF) A2 domain in vitro. Unlike the native regulator ADAMTS13, nattokinase degrades folded vWF independently of shear stress.
Ryuichi Hyakumoto, Masatomo So, Ayako Furukawa, Kenji Sugase   +3 more
wiley   +1 more source

Nonlinear Pulse Distortion in Few-Mode Fiber [PDF]

European Conference and Exhibition on Optical Communication, 2012
Nonlinear pulse propagation in a few mode fiber is experimentally investigated, by measuring temporal and phase responses of the output pulses by use of a frequency discriminator technique, showing that self-phase modulation, dispersion and linear mode-coupling are the dominant effects.
MacSuibhne, Naoise, Watts, Regan, Sygletos, Stylianos, Garcia Gunning, Fatima C., Grüner-Nielsen, Lars, Ellis, Andrew   +5 more
openaire   +1 more source

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

FEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source

Contactless vital signs monitoring based on few-mode and multi-core fibers

Opto-Electronic Advances, 2020
Few-mode and multi-core fibers are proposed and demonstrated for contactless vital signs monitoring in this paper. In-line optical fiber interferometers using few-mode and multi-core fibers are designed and offset splicing is utilized for mode excitation.
Tan Fengze, Lyu Weimin, Chen Shuyang, Liu Zhengyong, Yu Changyuan   +4 more
doaj   +1 more source