Results 1 to 10 of about 4,945 (207)

Semiconductor Optical Amplifier (SOA)-Driven Reservoir Computing for Dense Wavelength-Division Multiplexing (DWDM) Signal Compensation [PDF]

open access: yesSensors, 2023
Optical signal processing (OSP) technology is a crucial part of the optical switching node in the modern optical-fiber communication system, especially when advanced modulation formats, e.g., quadrature amplitude modulation (QAM), are applied.
Yinke Yang   +6 more
doaj   +4 more sources

Rapid adiabatic couplers with arbitrary split ratios for broadband DWDM interleaver application [PDF]

open access: yesNanophotonics
We experimentally demonstrate compact and broadband rapid adiabatic couplers (RACs) with arbitrary power split ratios, achieved through the combination of translational offset and waveguide width control.
Choi Daehan, Kim Woo-Joo, Sohn Young-Ik
doaj   +3 more sources

Magnetically Tunable Micro-Ring Resonators for Massive Magneto-Optical Modulation in Dense Wavelength Division Multiplexing Systems [PDF]

open access: yesSensors, 2022
We demonstrate, numerically, a new concept for on-chip magneto-optical (MO) modulation in dense wavelength division multiplexing (DWDM) applications. Our idea uses materials and mechanisms that are compatible with current silicon-on-insulator fabrication
Josino Villela S. Neto   +2 more
doaj   +4 more sources

Scatter search based met heuristic for robust optimization of the deploying of "DWDM" technology on optical networks with survivability [PDF]

open access: yesYugoslav Journal of Operations Research, 2005
In this paper we discuss the application of a met heuristic approach based on the Scatter Search to deal with robust optimization of the planning problem in the deploying of the Dense Wavelength Division Multiplexing (DWDM) technology on an existing ...
Moreno-Pérez José A.   +2 more
doaj   +3 more sources

An 8×240 Gbps dense wavelength division multiplexing transmitter with lithium tantalate [PDF]

open access: yesNature Communications
Dense wavelength division multiplexing (DWDM) is regarded as a revolutionary solution that significantly enhances transmission capacity. However, DWDM in electro-optic (EO) material platforms faces bottlenecks including limited channel numbers, large ...
Mingyu Zhu   +13 more
doaj   +2 more sources

Wavelength Assignment in Hybrid Quantum-Classical Networks [PDF]

open access: yesScientific Reports, 2018
Optimal wavelength assignment in dense-wavelength-division-multiplexing (DWDM) systems that integrate both quantum and classical channels is studied. In such systems, weak quantum key distribution (QKD) signals travel alongside intense classical signals ...
Sima Bahrani   +2 more
doaj   +3 more sources

RESEARCH AND ANALYSIS INDICATORS FIBER-OPTIC COMMUNICATION LINES USING SPECTRAL TECHNOLOGIES

open access: yesСучасні інформаційні системи, 2022
The fiber-optic communication lines and fiber-optic transmission systems using fiber-optic cable, receiving and transmitting optical modules based on WDM and DWDM (Wavelength Division Multiplexing & Dense WDM) technologies are studied.
Elshan Hashimov   +2 more
doaj   +1 more source

Design and Study on 25 Gbit/s Optical Transmitter Module based on Silicon Optical Scheme

open access: yesGuangtongxin yanjiu, 2021
With the rapid development of optical communication technology, the capacity of optical transmission increases dramatically. The flexible requirements for the management and scheduling of Dense Wavelength Division Multiplexing (DWDM) network systems also
Xuan-xuan CHENG   +8 more
doaj   +1 more source

High performance architecture design for large scale fibre-optic sensor arrays using distributed EDFAs and hybrid TDM/DWDM [PDF]

open access: yes, 2013
A distributed amplified dense wavelength division multiplexing (DWDM) array architecture is presented for interferometric fibre optic sensor array systems. This architecture employs a distributed erbium doped fibre amplifier (EDFA) scheme to decrease the
Austin, E.A.   +4 more
core   +2 more sources

Joint Symbol Rate-Modulation Format Identification and OSNR Estimation Using Random Forest Based Ensemble Learning for Intermediate Nodes

open access: yesIEEE Photonics Journal, 2021
In this paper, a novel joint symbol rate-modulation format identification (SR-MFI) and optical signal-to-noise ratio (OSNR) estimation scheme using the low-bandwidth coherent detecting and random forest (RF)-based ensemble learning is proposed for ...
Jia Chai   +5 more
doaj   +1 more source

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