Pan-European optical networking using wavelength division multiplexing

Berger, M.O.; Chbat, M.W.; Jourdan, A.; Sotom, M.; Demeester, Piet; Caenegem, Bart Van; Gødsvang, P. J.; Hein, B.; Huber, Markus; Marz, R.; Leclert, A.; Olsen, Tava Lennon; Tobolka, G.; Broeck, Tom Van Den

doi:10.1109/35.570723

Cited by 20 publications

(6 citation statements)

References 8 publications

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“…By the middle of the 1990s, it was very clear that wavelength division multiplexing (WDM) is a very competitive way to upgrade for higher transmission capacity. Moreover, it became obvious that WDM networks with all optical cross connects will be needed for efficient transport of information, e.g., [5]- [7]. Wavelength conversion-translation within the network or at its interfaces is needed for efficient dynamic transport reconfiguration, high-level restoration, and utilization of the fiber bandwidth [8], [9].…”

Section: Xgm Gatementioning

confidence: 99%

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Stubkjaer

2000

IEEE J. Select. Topics Quantum Electron.

456

161

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Abstract-Semiconductor optical amplifiers are useful building blocks for all-optical gates as wavelength converters and OTDM demultiplexers. This paper reviews the progress from simple gates using cross-gain modulation and four-wave mixing to the integrated interferometric gates using cross-phase modulation. These gates are very efficient for high-speed signal processing and will open up interesting new areas, such as all-optical regeneration and high-speed all-optical logic functions.Index Terms-Add/drop multiplexer, optical gate, optical processing, semiconductor optical amplifier, wavelength converter.

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Section: Xgm Gatementioning

confidence: 99%

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Stubkjaer

2000

IEEE J. Select. Topics Quantum Electron.

456

161

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“…5 Furthermore, Celmins in [21] showed that the minimum counterexample to the CDC conjecture must be a strong snark. 6 Finally, it was further proven that a minimum counterexample to the cycle double cover conjecture has girth at least seven [17]. Thus, the minimum counterexample to the CDC conjecture has to be a strong snark of girth at least seven.…”

Section: B Network With Nonplanar Topologiesmentioning

confidence: 99%

“…2 Within this time frame, the network can recover from a cable failure without interrupting the services transported over the network, e.g., telephone calls, data transfers, etc. [6]. The networks considered in this paper are composed of optical links and optical switches.…”

Section: Introductionmentioning

confidence: 99%

Protection cycles in mesh WDM networks

Ellinas¹,

Hailemariam²,

Stern

2000

IEEE J. Select. Areas Commun.

144

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Abstract-A fault recovery system that is fast and reliable is essential to today's networks, as it can be used to minimize the impact of the fault on the operation of the network and the services it provides. This paper proposes a methodology for performing automatic protection switching (APS) in optical networks with arbitrary mesh topologies in order to protect the network from fiber link failures. All fiber links interconnecting the optical switches are assumed to be bidirectional. In the scenario considered, the layout of the protection fibers and the setup of the protection switches is implemented in nonreal time, during the setup of the network. When a fiber link fails, the connections that use that link are automatically restored and their signals are routed to their original destination using the protection fibers and protection switches. The protection process proposed is fast, distributed, and autonomous. It restores the network in real time, without relying on a central manager or a centralized database. It is also independent of the topology and the connection state of the network at the time of the failure.

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“…Transparent All-Optical Networks (AON) are intended to provide high-speed operation at network level, by not only avoiding the bottleneck of optoelectronic operations at each node but also reducing the use of transponders and power consumption in the network [1]- [2]. Mainly two different architectures are considered to support the Next Generation Internet (NGI) infrastructure: Optical Burst Switching (OBS) and Optical Packet Switching (OPS) [3].…”

Section: Introductionmentioning

confidence: 99%

Resource allocation for contention-resolution strategies in OPS

Mex-Perera

Mozo-Olea

Castañón

et al. 2010

2010 12th International Conference on Transparent Optical Networks

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All-Optical Networks are believed to be the basis of the Next Generation Internet (NGI) infrastructure. Contention resolution represents a challenge considered when implementing resource allocation. This paper presents a performance evaluation for Optical Packet Switching (OPS), attempting to solve contention resolution applying resource allocation through two strategies: Minimum packet buffering (minBuff) and minimum conversions (minConv). We consider an OPS architecture with a shared converter pool and output buffers. It is shown that for a given dimensioning, an appropriate strategy may optimize the performance of the system in terms of Packet loss probability.

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Pan-European optical networking using wavelength division multiplexing

Cited by 20 publications

References 8 publications

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

Protection cycles in mesh WDM networks

Resource allocation for contention-resolution strategies in OPS

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