Results 61 to 70 of about 4,917 (222)

Optical Fiber Sensors for Safety and Maintenance Monitoring of Linear Infrastructure

Advanced Sensor Research, Volume 5, Issue 5, May 2026.
This review rigorously provides a thorough and detailed overview of the most recent innovations and advancements in the field of railway and pipeline infrastructure monitoring, accomplished through the implementation of cutting‐edge fiber sensing technologies, with a specific emphasis on its two principal technical branches, namely multipoint sensing ...
Shengnan Wu, Yue Cao, Xiaokun Qian, Jianling Wu, Armando Laudati, Vincenzo Romano Marrazzo, Maria Alessandra Cutolo, Giovanni Breglio, Andrea Cusano, Antonello Cutolo, Sailing He   +10 more
wiley   +1 more source

Design of Dual-resonator Six-channel WDM based on 2-D Photonic Crystal

Guangtongxin yanjiu, 2023
In order to solve the problem of all-optical communication network capacity and spectral efficiency, a two-cavity six-channel Wavelength Division Multiplexer (WDM) based on the coupling characteristics of point-defect cavity and line-defect waveguide of ...
SU Mu-yang, LI Zhi-xin, WU Cong, ZHONG Liang, SUN Jing   +4 more
doaj  

Remote downconversion scheme for uplink configuration in radio/fiber systems [PDF]

, 2005
The authors present a novel technology for uplink transmission in radio over fiber (RoF) distribution systems. The technique employs remote downconversion of the uplink data to intermediate frequency (IF) in the base station (BS).
Barry, Liam P., A. Kaszubowska-Anandarajah, Kaszubowska-Anandarajah, Aleksandra, L.P. Barry   +3 more
core   +1 more source

Spectrally Tunable 2D Material‐Based Infrared Photodetectors for Intelligent Optoelectronics

Advanced Functional Materials, Volume 36, Issue 27, 2 April 2026.
Intelligent optoelectronics through spectral engineering of 2D material‐based infrared photodetectors. Abstract The evolution of intelligent optoelectronic systems is driven by artificial intelligence (AI). However, their practical realization hinges on the ability to dynamically capture and process optical signals across a broad infrared (IR) spectrum.
Junheon Ha, Yingshan Ma, Yong Nam An, Sung‐Un An, Hyeon Hak Jung, Suvi‐Tuuli Varjamo, Jiwon Yoo, Junho Min, Hanvit Kim, Faisal Ahmed, Sang Hoon Chae, Young Min Song, Weiwei Cai, Tawfique Hasan, Zhipei Sun, Dong‐Ho Kang, Hyeon‐Jin Shin, Yunyun Dai, Hoon Hahn Yoon   +18 more
wiley   +1 more source

Simulación de un enlace óptico WDM (Wavelength Division Multiplexing) utilizando POFs (Polymer Optical Fiber) en el espectro de luz visible

Maskana, 2016
RESUMEN En este proyecto se analizaron las características y el modo de operación de las fibras ópticas plásticas en un enlace óptico WDM (Wavelenght Division Multiplexing) operando en el espectro visible.
Andrés Ocampo Dávila, María Soledad Jiménez   +1 more
doaj  

Optical Fiber Bragg Grating Filter for Wavelength Division Multiplexing (WDM) Applications

International Journal on Recent and Innovation Trends in Computing and Communication, 2023
A Fiber Bragg grating is an aperiodic or periodic disorder of the effective index of refraction in the optical fiber core, having nanometres range period. For short periods of the index modulation, the disorder in index of refraction perturbation induces the light reflection in a limited wavelength range, for which condition of Bragg is satisfied ...
openaire   +1 more source

Functional Persistent Luminescent Thin Films and Glasses: Materials, Processing, and Future Challenges

Advanced Optical Materials, Volume 14, Issue 16, 24 April 2026.
Beyond conventional powders, persistent luminescent thin films and glass‐based composites offer transformative potential for transparent, stable photonic devices. This work evaluates diverse processing routes and structure‐property correlations essential for achieving optical transparency and environmental stability.
Luidgi Giordano, Leonnam G. Merízio, Elaine A. de Mattos, Yaman M. Nicolai, Victor M. P. da Silva, Israel D. Marques, Verônica C. Teixeira, Everton Bonturim, Rogéria R. Gonçalves, Danilo Manzani, Lucas C. V. Rodrigues   +10 more
wiley   +1 more source

Photonic Systolic Array for All‐Optical Matrix–Matrix Multiplication

Laser &Photonics Reviews, Volume 20, Issue 7, 6 April 2026.
A photonic systolic array is introduced, offering extreme parallelism in matrix‐matrix multiplication based on the synchronized movement of optical pulses along a crossbar array. Optical pulses traveling in perpendicular directions meet at freeform‐designed multiply‐accumulate units, each tailored to generate two signals whose intensity difference ...
Jungmin Kim, Qingyi Zhou, Zongfu Yu
wiley   +1 more source

Absolute polar duty cycle division multiplexing over wavelength division multiplexing system [PDF]

, 2009
The performance of absolute polar duty cycle division multiplexing (AP-DCDM) over wavelength division multiplexing (WDM) system is presented based on the simulation results.
Abas, A.F., Mokhtar, M., Abdullah, M.K., Mahdiraji, G.A., Malekmohammadi, A., Rasid, M.F.A.   +5 more
core   +2 more sources

Monolithic Silicon‐Photonics Sign‐Sign Dot‐Product Circuits Toward Artificial Intelligence and Multiple‐Input Multiple‐Output Accelerators

Nanophotonics, Volume 15, Issue 8, 24 April 2026.
This research leverages advanced monolithic silicon‐photonics integrated‐circuit manufacturing technology with strategic electrical‐to‐optical signal conversions, differential intensity‐modulation technique, and dual rail‐to‐rail photodetection architecture to realize an on‐chip photonic‐electronic sign‐sign dot‐product accelerator achieving 8.92‐Gb/s ...
Sumilak Chaudhury, Karl Johnson, Nikola Alic, Bill Lin, Yeshaiahu Fainman, Tzu‐Chien Hsueh   +5 more
wiley   +1 more source