Results 21 to 30 of about 31,298 (300)

Integrated Mach-Zehnder based spectral amplitude OCDMA on a passive optical network [PDF]

open access: yes, 2007
In this paper, we present our results on Mach-Zehnder-based spectral amplitude encoded optical code-division multiple access (OCDMA) in a passive optical network using a novel parallel spectral encoder/decoder. The modular construction of orthogonal code
Smit, M.K.   +8 more
core   +1 more source

Heterogeneous Passive Optical Network based on Power over Fiber

open access: yesGuangtongxin yanjiu, 2022
The increasing demand of mobile network communication bandwidth requires more information in the limited bandwidth. In this paper, a novel bidirectional transmission system architecture based on Radio over Fiber Passive Optical Network (RoF-PON) system ...
Li-wei YANG   +5 more
doaj   +3 more sources

Wavelength Division Multiplexing Passive Optical Network modeling Using Optical System Simulator

open access: yesAl-Khawarizmi Engineering Journal, 2015
Due to the continuing demand for larger bandwidth, the optical transport becoming general in the access network. Using optical fiber technologies, the communications infrastructure becomes powerful, providing very high speeds to transfer a high capacity ...
Nahla Abdulrahman Hussain
doaj   +6 more sources

Energy-efficient orthogonal frequency division multiplexing-based passive optical network based on adaptive sleep-mode control and dynamic bandwidth allocation [PDF]

open access: yes, 2016
We propose an energy-efficient orthogonal frequency division multiplexing-based passive optical network (OFDM-PON) using adaptive sleep-mode control and dynamic bandwidth allocation.
Yuan, Weicheng   +4 more
core   +1 more source

Protection of Passive Optical Networks by Using Ring Topology and Tunable Splitters

open access: yesInternational Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2013
This article proposes an innovative method for protecting of passive optical networks (PONs), especially the central optical unit – optical line termination (OLT).
Pavel Lafata
doaj   +1 more source

Combo-PON OLT Transceiver Using Photonic Integration Technology

open access: yesIEEE Photonics Journal, 2022
In this work, a prototype of 10G Combo-PON OLT transceiver based on photonic integrated circuits (PIC) is proposed and demonstrated. Key optical components for Combo-PON OLT transceiver, including high-power DFB laser, micro-ring modulator and WDM, have ...
Hongqing Ding   +8 more
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

open access: yesFEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová   +2 more
wiley   +1 more source

Reconfigurable remote nodes for hybrid passive optical networks [PDF]

open access: yes, 2008
Mestrado em Engenharia Electrónica e TelecomunicaçõesO presente documento tem por objectivo demonstrar, analisar e optimizar nós remotos passivos para redes ópticas passivas baseadas numa topologia de anel de dupla fibra com multiplexagem no comprimento ...
Baptista, Albano Manuel Cardoso
core   +1 more source

A 10 Gb/s passive-components-based WDM-TDM reconfigurable optical access network architecture [PDF]

open access: yes, 2011
We propose a cost-effective, reconfigurable optical access network by employing passive components in the remote node and dual conventional optical transceivers in ONUs.
Chigo Okonkwo   +11 more
core   +1 more source

Directed evolution of enzymes at the crossroads of tradition and innovation

open access: yesFEBS Open Bio, EarlyView.
An iterative cycle of data‐driven enzyme optimization comprising four stages: genetic diversification of a template enzyme, expression of protein variants, high‐throughput evaluation, and machine‐learning‐guided redesign of the next variant library.
Maria Tomkova   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy