Transient Control in SOA-Based WDM Metro-Ring Networks Under Add-Drop Operation Using a Reservoir Channel

We experimentally investigate dynamic bit-error rate (BER) performance impairments induced by add-drop operations in semiconductor-optical amplifer (SOA)-based wavelength-division-multiplexing (WDM) metro-ring networks. Link control techniques in short-medium span networks provide effective performa...

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Veröffentlicht in:	IEEE photonics technology letters 2008-07, Vol.20 (13), p.1175-1177
Hauptverfasser:	Rogowski, T., Faralli, S., Bolognini, G., Di Pasquale, F., Di Muro, R., Nayar, B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bit error rate Gain control optical communication systems Optical modulation Optical receivers Optical saturation Optical signal processing power transients Reservoirs Semiconductor optical amplifiers semiconductor optical amplifiers (SOAs) Stimulated emission Wavelength division multiplexing wavelength-division-multiplexing (WDM) transmission systems WDM networks
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Beschreibung
Zusammenfassung:	We experimentally investigate dynamic bit-error rate (BER) performance impairments induced by add-drop operations in semiconductor-optical amplifer (SOA)-based wavelength-division-multiplexing (WDM) metro-ring networks. Link control techniques in short-medium span networks provide effective performance improvement and significant BER transient reduction during add-drop operation, with respect to SOA linear operating condition (low input signal power). This behavior is confirmed by dynamic BER measurements and optical signal-to-noise penalty analysis.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2008.925184