24 October 2003 Evolution of optical links toward full-optical transparency
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Proceedings Volume 5125, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments; (2003); doi: 10.1117/12.531526
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2002, 2002, Wilga, Poland
Abstract
In this paper we review issues of evolution of optical networks towards their full optical transparency and present sequence of eliminating non-transparent elements out of optical links (networks). Architectures of optical commutators with electrical and optical cores have been presented, as well as a structure of OMO (optical-millimeter wave-optical) switching fabric. An example of pure al-optical switch, made by Luxcore, utilizing dispersion compensating elements, wavelength converters and and variable optical attenuators (VOA) operating entirely in optical domain without optical-electrical-optical (OEO) conversions, was quoted. We brought up an issue of all-optical 3R signal regeneration for long-haul networks and reviewed two different approaches: a regeneration of a single channel and simultaneous regeneration of four channels without converting WDM signal to basic channels.
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Tomasz Opoka, Feliks Szczot, "Evolution of optical links toward full-optical transparency", Proc. SPIE 5125, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments, (24 October 2003); doi: 10.1117/12.531526; https://doi.org/10.1117/12.531526
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KEYWORDS
Switches

Transparency

Channel projecting optics

Networks

Optical networks

Switching

Optical amplifiers

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