Photonic Network Communications
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Tunable and Agile Laser Transmitter Developments for Future DWDM Optical Networks: Towards Managed Wavelength Control and Switching Invited Paper
Photonic Network Communications - Tập 2 - Trang 97-103 - 2000
The International Telecommunications Union (ITU) has defined the laser wavelengths to be used in the frequency plan for dense wavelength division multiplexed (DWDM) optical fiber networks. It is up to the equipment manufacturers to supply suitable transmitters which network planners must use. The options involve a rack or array of many lasers or tunable lasers. We review the latter which are compl...... hiện toàn bộ
Traffic models for slotted optical packet switched networks
Photonic Network Communications - Tập 13 - Trang 183-194 - 2006
Optical packet switching (OPS) has emerged as a promising architecture for the future all-optical network scenario. In order to have a successful deployment of OPS networks, several networking issues must be resolved, e.g., how to resolve contentions and how to provide Quality-of-Service (QoS) differentiation. Such networking studies often rely on teletraffic analysis in order to quantify the perf...... hiện toàn bộ
Designing a three-level full-adder based on nano-scale quantum dot cellular automata
Photonic Network Communications - Tập 42 - Trang 184-193 - 2021
Some of the vital problems around the conventional CMOS technology are leakage-power consumption, physical-scalability limits, and short-channel effects. These deficiencies have led to many studies about nano-scale designs. Quantum dot cellular automata (QCA) is a potential answer in nanotechnology. Scholars have considered the four-dot squared cell as the main factor in the QCA. Also, a full-adde...... hiện toàn bộ
Using multiple per egress burstifiers for enhanced TCP performance in OBS networks
Photonic Network Communications - Tập 17 - Trang 105-117 - 2008
Burst assembly mechanism is one of the fundamental factors that determine the performance of an optical burst switching (OBS) network. In this paper, we investigate the influence of the number of burstifiers on TCP performance for an OBS network. The goodput of TCP flows between an ingress node and an egress node traveling through an optical network is studied as the number of assembly buffers per...... hiện toàn bộ
Dynamic lightpath provisioning in optical WDM mesh networks with asymmetric nodes
Photonic Network Communications - Tập 25 - Trang 166-177 - 2013
The wavelength selective switch-based reconfigurable optical add/drop multiplexers is a promising switching equipment for future reconfigurable wavelength-division multiplexing (WDM) mesh networks. However, its asymmetric switching property complicates the optimal routing and wavelength assignment problem. In an asymmetric switching scenario, using the classic Dijkstra’s algorithm can lead to inva...... hiện toàn bộ
Random scheduling based on transmission delay and buffer size for hop-based burst-cluster transmission in OBS networks
Photonic Network Communications - Tập 19 - Trang 292-300 - 2009
Hop-based burst-cluster transmission improves fairness significantly in OBS ring networks. However, in mesh networks, the overall burst loss probability increases using the method because the transmission of a burst-cluster from an ingress node is often synchronized with a burst-cluster from another ingress node. In order to resolve the synchronization issue, we propose in this article the utiliza...... hiện toàn bộ
Resilient architecture for optical access networks
Photonic Network Communications - Tập 41 - Trang 1-16 - 2020
This work proposes a resilient wheel-based wavelength-division-multiplexed passive optical network optical access network architecture for backhauling network traffic. This proposed resilient architecture can efficiently support not only the fixed users but also the mobile users in the downstream direction under normal and failure operating scenarios, while minimizing the average traffic delivery ...... hiện toàn bộ
Ultra-fast all-optical encoder using photonic crystal-based ring resonators
Photonic Network Communications - Tập 36 - Trang 272-277 - 2018
Optical encoders are one of the important optical logic devices required in optical communications and optical signal processing. In this paper, we proposed a novel structure for designing an all-optical 4-to-2 optical encoder based on photonic crystals. For this purpose, four photonic crystal-based ring resonators were located between the input and output ports which results in improved coupling ...... hiện toàn bộ
High-speed MDM-Ro-FSO system by incorporating spiral-phased Hermite Gaussian modes
Photonic Network Communications - Tập 35 - Trang 374-380 - 2018
In the wake of growing challenges of dispersing communication services in rural areas, Radio over Free Space (Ro-FSO) is a useful technology that can carry heterogeneous services. This work focuses on transmitting two independent channels, each carrying 2.5 Gbps data and 10 GHz radio signal, by utilizing mode-division multiplexing (MDM) of two spiral-phased Hermite Gaussian modes (HG00 and HG01) f...... hiện toàn bộ
End-to-End Delay Evaluation for an Optical Transparent Packet Network
Photonic Network Communications - Tập 1 - Trang 147-160 - 1999
In this paper an all optical packet switching network is considered to provide transparent transport of information. To this end the evaluation of the end-to-end packet delay is performed by means of analytical tools. Bounds are proposed for the maximum packet delay and calculated by means of a simple additive formula that can be used for approximate end-to-end delay evaluation. Packetization and ...... hiện toàn bộ
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