Abstract
With increasing data rates in optical communication networks, high-speed solutions are needed. For this reason, the research for high-speed devices like quantum-dot (QD) structures is in progress, but there are still problems in the fabrication and with the properties of QD devices. Another approach to resolve the speed problem of optical networks could be the usage of well known and easy to fabricate bulk devices. Opposite to the general opinion, bulk devices are not necessarily speed limited by the carrier lifetime. Using the example of an ultralong bulk semiconductor optical amplifier (bulk UL-SOA), we present numerical results for wavelength conversion with extinction ratio (ER) improvement of 100Gb/s-RZ50% OOK signals.
© 2009 IEEE
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