WDM Systems and Networks: Modeling, Simulation, Design and by Neophytos (Neo) Antoniades, Georgios Ellinas, Ioannis Roudas

By Neophytos (Neo) Antoniades, Georgios Ellinas, Ioannis Roudas

Modeling, Simulation, layout and Engineering of WDM structures and Networks provides readers with the elemental talents, ideas, and layout concepts used to start layout and engineering of optical conversation platforms and networks at a variety of layers. the newest semi-analytical procedure simulation suggestions are utilized to optical WDM platforms and networks, and a evaluate of a few of the present parts of optical communications is gifted. Simulation is blended with experimental verification and engineering to offer the in addition to cutting-edge research.

This contributed quantity is split into 3 components, accommodating diversified readers attracted to a variety of sorts of networks and purposes. the 1st a part of the e-book offers modeling ways and simulation instruments often for the actual layer together with transmission results, units, subsystems, and systems), while the second one half positive aspects extra engineering/design matters for numerous different types of optical platforms together with ULH, entry, and in-building platforms. The 3rd a part of the ebook covers networking concerns relating to the layout of provisioning and survivability algorithms for impairment-aware and multi-domain networks.

Intended for pro scientists, corporation engineers, and college researchers, the textual content demonstrates the effectiveness of computer-aided layout by way of community engineering and prototyping.

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Extra resources for WDM Systems and Networks: Modeling, Simulation, Design and Engineering

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Note that this artificial periodicity may affect the measured signal statistics, so one should carefully check potential correlations and select the simulated time duration to be long enough. Furthermore, the frequency-dependent phase shift caused by CD is exactly represented using SSFM, not only approximated by a truncated filter impulse response when using TSSM. In time domain, this can be understood as wrapping around an infinite impulse response within the periodic block of samples. This is accurate over all frequencies, whereas TSSM introduces inaccuracies close to the edges of the modeled bandwidth due to truncation effects (Gibb’s phenomenon as shown in Oppenheim and Schafer [13]).

In Chap. 3 a ‘‘black-box’’ approach for their modeling is also presented. 1 EDFA Theory A single-mode Er-doped fiber can be modeled using the rate and propagation equations for a three-level laser medium or using the equations for a simplified twolevel laser medium [73]. 13 shows the energy diagram of Erbium ions in glass hosts. For 980 nm pumping, carriers are absorbed from the ground level to the third laser level. Due to phonon relaxation (in the times scale of ls) carriers transit down to the second level almost immediately where they reside with an average lifetime of approximately 10 ms and distribute due to thermalization processes.

Before being used in the Q factor 2 Computer Modeling of Transport Layer Effects 47 calculation. In most applications, the bandwidth of optical noise sources is much wider than the signal rate, and thus it can be assumed that the OSNR is proportional to the signal rate if optical filtering effects are neglected. So when increasing the signal rate for instance from 10 Gbit/s to 40 Gbit/s using the same modulation format and filter bandwidths that are proportional to the signal rate, the OSNR requirement rises approximately by 6 dB.

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