Results 31 to 40 of about 256,506 (372)

Mode Coupling in Mode Division Multiplexing techniques for futuristic high speed optical networks and exploring optical fiber parameters to control mode coupling

open access: yesMehran University Research Journal of Engineering and Technology, 2023
Fiber optic communications are inevitable to achieve higher data rates of modern telecom networks. After utilization of Wavelength division multiplexing, higher order modulations and polarization multiplexing, mode division multiplexing is a new ...
Abid Munir, Amjad Ali, Abdul Latif
doaj   +1 more source

Cascaded Mode-Division-Multiplexing and Time-Division-Multiplexing Passive Optical Network Based on Low Mode-Crosstalk FMF and Mode MUX/DEMUX

open access: yesIEEE Photonics Journal, 2015
We propose cascaded mode-division-multiplexing and time-division-multiplexing passive optical network (MDM-TDM-PON) based on low mode-crosstalk few-mode fiber (FMF) and all-fiber mode multiplexer/demultiplexer (MUX/DEMUX), in which optical network units ...
Fang Ren   +8 more
doaj   +1 more source

Gain Characteristics of Few-Mode EDFA With Different Pump

open access: yesIEEE Photonics Journal, 2022
Few-mode erbium-doped fiber amplifier (FM-EDFA) is a key device to achieve power compensation in long-haul mode division multiplexing (MDM) optical system.
Wenxuan Xu   +7 more
doaj   +1 more source

Silicon Add-Drop Filter Based on Multimode Grating Assisted Couplers

open access: yesIEEE Photonics Journal, 2016
We demonstrate the design, fabrication, and characterization of a two-mode silicon add-drop filter, which is based on multimode grating-assisted contra-directional couplers.
Huiye Qiu   +7 more
doaj   +1 more source

Frequency-Domain Detection for Frequency-Division Multiplexing QEPAS

open access: yesSensors, 2022
To achieve multi-gas measurements of quartz-enhanced photoacoustic spectroscopy (QEPAS) sensors under a frequency-division multiplexing mode with a narrow modulation frequency interval, we report a frequency-domain detection method. A CH4 absorption line
Xiang Chen   +6 more
doaj   +1 more source

Clock Recovery Challenges in DSP-Based Coherent Single-Mode and Multi-Mode Optical Systems

open access: yesFuture Internet, 2018
We present an analysis of clock recovery algorithms in both polarization division multiplexing systems and mode division multiplexing systems. The impact of inter-polarization time skew and polarization mode dispersion in single-mode fibers, as well as ...
Júlio César Medeiros Diniz   +2 more
doaj   +1 more source

Breakthrough Solution for Antimicrobial Resistance Detection: Surface‐Enhanced Raman Spectroscopy‐based on Artificial Intelligence

open access: yesAdvanced Materials Interfaces, EarlyView., 2023
This review discusses the use of Surface‐Enhanced Raman Spectroscopy (SERS) combined with Artificial Intelligence (AI) for detecting antimicrobial resistance (AMR). Various SERS studies used with AI techniques, including machine learning and deep learning, are analyzed for their advantages and limitations.
Zakarya Al‐Shaebi   +4 more
wiley   +1 more source

Design of Few-Mode Fibers for Mode-Division Multiplexing Transmission

open access: yesIEEE Photonics Journal, 2013
We investigate the fiber parameters that meet the design conditions for low bending loss and an effectively few-mode operation on few-mode fibers with a step-index profile and a W-shaped refractive index profile for mode-division multiplexing ...
Motoki Kasahara   +7 more
doaj   +1 more source

Ultra-Broadband Mode Converter and Multiplexer Based on Sub-Wavelength Structures

open access: yesIEEE Photonics Journal, 2018
Current bandwidth capacity provided by wavelength-division multiplexing and polarization-division multiplexing is insufficient to keep up with the increasing bandwidth demand required for new services.
David Gonzalez-Andrade   +7 more
doaj   +1 more source

Handling mode and polarization in fiber by fs-laser inscribed (de)multiplexer and silicon switch array

open access: yesPhotoniX, 2023
The emergence of dynamic optical switching has opened up new perspectives for lightening the ever growing load on the electrical switches and routers, to meet the increasing demand on high-speed and flexible data processing and management in fiber-optic ...
Kang Li   +7 more
doaj   +1 more source

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