Results 1 to 10 of about 143,518 (360)

High-capacity free-space optical communications using wavelength- and mode-division-multiplexing in the mid-infrared region [PDF]

open access: goldNature Communications, 2022
A 300-Gbit/s free-space optical communication system is demonstrated in the mid-IR wavelength region by using both wavelength- and mode-division multiplexing.
Kaiheng Zou   +16 more
doaj   +3 more sources

Capacity of Wavelength and Time Division Multiplexing for Quasi-Distributed Measurement Using Fiber Bragg Gratings [PDF]

open access: yesAdvances in Electrical and Electronic Engineering, 2015
In this paper, an analysis of the use of wavelength and time division multiplexing techniques for quasi-distributed measurement in uniform fiber Bragg gratings is presented.
Marcel Fajkus   +6 more
doaj   +5 more sources

Wavelength-division multiplexing optical Ising simulator enabling fully programmable spin couplings and external magnetic fields. [PDF]

open access: yesSci Adv, 2023
Recently various physical systems have been proposed for modeling Ising spin Hamiltonians appealing to solve combinatorial optimization problems with remarkable performance.
Luo L, Mi Z, Huang J, Ruan Z.
europepmc   +3 more sources

Entangled-Based Quantum Wavelength-Division-Multiplexing and Multiple-Access Networks [PDF]

open access: yesEntropy, 2023
This paper investigates the mathematical model of the quantum wavelength-division-multiplexing (WDM) network based on the entanglement distribution with the least required wavelengths and passive devices.
Marzieh Bathaee, Jawad A. Salehi
doaj   +2 more sources

Analytical Investigation of 8-Channel Optical Wavelength Division Multiplexing Communication System [PDF]

open access: diamondEngineering and Technology Journal, 2010
In this paper, the theoretical 8-channel Dense Wave Division Multiplexing(DWDM) telecommunication system is demonstrated. Laser Diode (LD) sourcewas used for each channel, with external modulator, therefore making the systemwork at high bit rate.
Mohammed Hussian Ali
doaj   +2 more sources

Scalable WDM phase regeneration in a single phase-sensitive amplifier through optical time lenses [PDF]

open access: yesNature Communications, 2018
Scalable solutions for data regeneration of multiple parallel channels are elusive. Here the authors report a scalable wavelength-division multiplexing technique for phase regeneration and demonstrate the highest reported number of regenerated wavelength-
Pengyu Guan   +8 more
doaj   +3 more sources

Wavelength selective mode division multiplexing on a silicon chip

open access: goldOptics Express, 2015
Multiplexing of optical modes in waveguides is demonstrated using coupled vertical gratings. The device utilizes sinusoidally corrugated waveguides of different widths with a period designed to multiplex information at 1.55 µm.
G. F. R. Chen   +5 more
openalex   +2 more sources

5G wavelength-division-multiplexing-based bidirectional optical wireless communication system with signal remodulation employing cascaded reflective semiconductor optical amplifiers [PDF]

open access: yesCommunications Engineering
Compared with previous generations, fifth-generation communications can provide faster download and upload speeds and support a greater number of connected devices. Integrating fifth-generation signals with optical wireless communication systems provides
Hai-Han Lu   +7 more
doaj   +2 more sources

Single-shot thermal ghost imaging using wavelength-division multiplexing [PDF]

open access: yes, 2018
Ghost imaging (GI) is a potential imaging technique that reconstructs the target scene from its correlated measurements with a sequential of patterns.
Dai, Qionghai   +4 more
core   +2 more sources

Bidirectional wavelength-division-multiplexing fibre-free-space optical communications using polarisation multiplexing technique and tunable optical vestigial sideband filter [PDF]

open access: yesCommunications Engineering
To address the growing demand from emerging applications, high transmission capacity is essential for both fibre backbones and last-mile communications.
Hsiao-Mei Lin   +9 more
doaj   +2 more sources

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