2003
DOI: 10.1109/jlt.2003.819140
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Nonblocking all-optical cross connect based on regenerative all-optical wavelength converter in a transparent demonstration over 42 nodes and 16800 km

Abstract: A red-shift optical filter all-optical wavelength converter compatible to all-optical WDM networks is introduced and demonstrated at 40 and 10 Gb/s. The wavelength converter provides reshaping and can act as a power equalizer. We use the device to overcome wavelength blocking in a looped-fiber network demonstration equivalent to 42 cross-connect switches and a 16800 km transmission distance.

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Cited by 35 publications
(29 citation statements)
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“…The reason for the good conversion efficiency lies in the design of the filter. The PROF scheme exploits the fast chirp effects in the converted signal after the SOA and uses both the red-and blue-shifted spectral www.intechopen.com Pattern Effect Mitigation Technique using Optical Filters for Semiconductor-Optical-Amplifier based Wavelength Conversion 149 components, while schemes with a single red-or blue-shifted filter (Leuthold et al, 2003;Nielsen & M酶rk, 2006;Kumar et al, 2006;Liu et al, 2007) reject part of the spectrum. From an information technological point of view, rejection of spectral components with information should be avoided.…”
Section: Wavelength Convertermentioning
confidence: 99%
See 1 more Smart Citation
“…The reason for the good conversion efficiency lies in the design of the filter. The PROF scheme exploits the fast chirp effects in the converted signal after the SOA and uses both the red-and blue-shifted spectral www.intechopen.com Pattern Effect Mitigation Technique using Optical Filters for Semiconductor-Optical-Amplifier based Wavelength Conversion 149 components, while schemes with a single red-or blue-shifted filter (Leuthold et al, 2003;Nielsen & M酶rk, 2006;Kumar et al, 2006;Liu et al, 2007) reject part of the spectrum. From an information technological point of view, rejection of spectral components with information should be avoided.…”
Section: Wavelength Convertermentioning
confidence: 99%
“…Several filters have been proposed. These are the pulse-reformatting optical filter (PROF) (Leuthold et al, 2004a), the red-shift optical filter (RSOF) (Leuthold et al, 2003), the blueshift optical filter (BSOF) (Leuthold et al, 2003;Nielsen et al, 2003;Liu et al, 2007), and a delay interferometer (DI) filter scheme (Leuthold et al, 2000;Leuthold et al, 2004b). The PROF scheme can be understood as follows.…”
mentioning
confidence: 99%
“…Thence SOAs have been widely used to perform a variety of all-optical functions such as wavelength conversion [4], signal regeneration [5], pulse reshaping [6], and power limiting [7]. Compared to their fiber-based counterparts [8].…”
Section: Introductionmentioning
confidence: 99%
“…If electronic circuitry is a guide, power limiting devices, for example, are close relatives to active switching elements as their operation relies on the saturation of the transistors, and their optical high-speed analogue versions would certainly extend the optical signal processing application vistas [2] and improve their performance [3]. So far, SOA-based switches with enhanced input power dynamic range have been presented [4], [5], whereas more recently, we have proposed the use of saturated SOAbased optical gates to demonstrate novel functional subsystems for optical packet switching applications [6], [7]. However, no detailed analysis of the gate's operational potential as an optical power limiter has been presented so far.…”
Section: Introductionmentioning
confidence: 99%