Allocating wavelength converters in shared-per-link structure in WDM networks

Li, D.; Jia, Xiaohua

doi:10.1049/ip-com:20020204

Cited by 4 publications

(4 citation statements)

References 2 publications

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“…It is found that the BN‐PEO‐PVDF electrolyte has considerably higher α and κ values than the PEO‐PVDF one, which is attributed to the high thermal conductive nature of BN. [ 36 ] The thermal and electrical parameters of the electrolytes and BN are shown in Table S2 in the Supporting Information. We carried out thermal testing on PEO‐PVDF and BN‐PEO‐PVDF films and their temperature changes were recorded by infrared (IR) images in Figure 3b.…”

Section: Figurementioning

confidence: 99%

Thermal Conductive 2D Boron Nitride for High‐Performance All‐Solid‐State Lithium–Sulfur Batteries

et al. 2020

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Polymer-based solid-state electrolytes are shown to be highly promising for realizing low-cost, high-capacity, and safe Li batteries. One major challenge for polymer solid-state batteries is the relatively high operating temperature (60-80°C), which means operating such batteries will require significant ramp up time due to heating. On the other hand, as polymer electrolytes are poor thermal conductors, thermal variation across the polymer electrolyte can lead to nonuniformity in ionic conductivity. This can be highly detrimental to lithium deposition and may result in dendrite formation. Here, a polyethylene oxide-based electrolyte with improved thermal responses is developed by incorporating 2D boron nitride (BN) nanoflakes. The results show that the BN additive also enhances ionic and mechanical properties of the electrolyte. More uniform Li stripping/deposition and reversible cathode reactions are achieved, which in turn enable all-solid-state lithium-sulfur cells with superior performances.

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Section: Figurementioning

confidence: 99%

Thermal Conductive 2D Boron Nitride for High‐Performance All‐Solid‐State Lithium–Sulfur Batteries

et al. 2020

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“…In Ref. 8, the authors focused on shared-per-link design, where each outgoing link has a dedicated converter bank that is only used by connection passing through this particular link. The complexity of such design, based on tunable multiplexers, is cost effective compared to the sharedper-node OXC design.…”

Section: Related Workmentioning

confidence: 99%

“…2 Most known algorithms apply to special topologies 1 or are based on placement heuristics. [2][3][4][5][6][7][8] We review these placement schemes and the reported results in Sec. 2. In this paper, we extend our k-minimum dominating set ͑k-MDS͒ algorithm 9 to the case of limited wavelength conversion using three OXC designs.…”

Section: Introductionmentioning

confidence: 99%

Architecture and sparse placement of limited-wavelength converters for optical networks

Houmaidi

Bassiouni

2004

Opt. Eng

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Equipping all nodes of a large optical network with full conversion capability is prohibitively costly. To improve performance at reduced cost, sparse converter placement algorithms are used to select a subset of nodes for full-conversion deployment. Further cost reduction can be obtained by deploying only limited conversion capability in the selected nodes. We present a limited wavelength converter placement algorithm based on the k-minimum dominating set (k-MDS) concept. We propose three different cost-effective optical switch designs using the technologically feasible nontunable optical multiplexers. These three switch designs are flexible node sharing, strict node sharing, and static mapping. Compared to the full search heuristic of O(N 3) complexity based on ranking nodes by blocking percentages, our algorithm not only has a better time complexity O(RN 2), where R is the number of disjoint sets provided by k-MDS, but also avoids the local minimum problem. The performance benefit of our algorithm is demonstrated by network simulation with the U.S Long Haul topology having 28 nodes (R is 5) and the National Science Foundation (NSF) network having 16 nodes (R is 4). Our simulation considers the case when the traffic is not uniformly distributed between node pairs in the network using a weighted placement approach, referred to as k-WMDS. From the optical network management point of view, our results also show that the limited conversion capability can achieve performance very close to that of the full conversion capability, while not only decreasing the optical switch cost but also enhancing its fault tolerance. © 2004 Society of Photo-Optical Instrumentation Engineers.

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“…[ 1–3 ] Due to some electronic or power field equipment need heat dissipation materials with highly thermally conductive (TC) and mechanical properties simultaneously, and polymers often only have a low‐thermal conductivity below 0.6 W/m·K, filling high‐thermally conductive inorganic fillers has become the most commonly strategy at present. [ 4–8 ]…”

Section: Introductionmentioning

confidence: 99%

Polymer‐based nanocomposites with ultra‐high in‐plane thermal conductivity via highly oriented boron nitride nanosheets

Gou

Zhou

et al. 2022

Polymer Composites

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Novel polymer‐based materials with highly thermally conductive and high‐mechanical properties have attracted extensive attention in the field of electronic packaging as thermal interface materials (TIMs), due to the development of electronic equipment to miniaturization and higher power density. However, how to achieve high‐thermal conductivity (exceed 5 W/m·K) with low‐filling content (below 30 vol%) is still the focus of attention. Herein, polymer‐based materials with excellent in‐plane thermal conductivity were prepared by a simple hot‐pressing strategy, and a series of nanocomposites with different orientations were controlled by the hot‐pressing times. As expected, compared with that of randomly dispersed 25 vol% BNNS/P(VDF‐HFP) nanocomposite and pristine P(VDF‐HFP), the in‐plane thermal conductivity of oriented 25 vol% BNNS/P(VDF‐HFP) is promoted by 249% and 3057%, respectively. In contrast to randomly dispersed composites, oriented BNNS/P(VDF‐HFP) at loadings above 10 vol% begin to show an encouraging upward trend. This is because the orientation of BNNS can significantly reduce the percolation threshold and construct an efficient heat conduction network under low‐filling volume. Therefore, this technology can provide new ideas for the development of electronic packaging technology.

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Allocating wavelength converters in shared-per-link structure in WDM networks

Cited by 4 publications

References 2 publications

Thermal Conductive 2D Boron Nitride for High‐Performance All‐Solid‐State Lithium–Sulfur Batteries

Thermal Conductive 2D Boron Nitride for High‐Performance All‐Solid‐State Lithium–Sulfur Batteries

Architecture and sparse placement of limited-wavelength converters for optical networks

Polymer‐based nanocomposites with ultra‐high in‐plane thermal conductivity via highly oriented boron nitride nanosheets

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