Results 11 to 20 of about 37,911 (149)

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

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

Quantum entanglement network enabled by a state-multiplexing quantum light source [PDF]

open access: yesLight: Science & Applications
A fully connected quantum network with a wavelength division multiplexing architecture plays an increasingly pivotal role in quantum information technology. With such architecture, an entanglement-based network has been demonstrated in which an entangled
Yun-Ru Fan   +11 more
doaj   +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

Fault Tolerant Dense Wavelength Division Multiplexing Optical Transport Networks

open access: yesJournal of Telecommunications and Information Technology, 2023
Design of fault tolerant dense wavelength division multiplexing (DWDM) backbones is a major issue for service provision in the presence of failures. The problem is an NP-hard problem.
Yousef S. Kavian   +4 more
doaj   +1 more source

Optical Networking Beyond WDM

open access: yesIEEE Photonics Journal, 2012
Wavelength-division multiplexing (WDM) has been the workhorse of data networks, accommodating exponential traffic growth for two decades. Recently, however, progress in WDM capacity research has markedly slowed down as experiments are closely approaching
Peter J. Winzer
doaj   +1 more source

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

open access: yesNature 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   +1 more source

A Coaxially Integrated Photonic Orbital Angular Momentum Beam Multiplexer [PDF]

open access: yes, 2016
We demonstrate an integrated photonic orbital angular momentum beam multiplexer consisting of four nested arc waveguide gratings. Well-defined OAM mode emissions over wide bandwidth of 1-nm enables simultaneous wavelength division multiplexing and OAM ...
Cai, Xinlun   +8 more
core   +1 more source

Nonlinear Frequency-Division Multiplexing in the Focusing Regime [PDF]

open access: yes, 2016
Achievable rates of the nonlinear frequency-division multiplexing (NFDM) and wavelength-division multiplexing (WDM) subject to the same power and bandwidth constraints are computed as a function of transmit power in the standard single-mode fiber.
Alvarado, Alex   +4 more
core   +2 more sources

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

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