Abstract
The application of semiconductor optical amplifiers (SOA) as transparent in-line detectors has been already investigated [1]. A two-sections structure, where the first electrode can provide amplification and/or modulation while the second section operates as non-blocking detector (AMD- SOA), is a convenient approach to be used as add-drop node in photonic packet-switched ring networks [2], with the advantage of an optimisation of the detector section [3]. The features of this network structure are that it can be easily upgraded with the addition of new nodes and that the bit- rate can be increased only for those nodes which require an higher bit-rate without substituting the whole network.
© 1995 Optical Society of America
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