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Scalable optical network based on folded bus architecture

Two major drawbacks stand in the way of practical realization of scalable packet switched all-optical WDM networks. Beyond the obvious dependence on the number of wavelengths, these are the complexity of fast reconfigurable WDM crossconnects and the network wide synchronization. This paper presents a modular folded bus based architecture using photonic slot routing that circumvents the above drawbacks, leading to the potential realization of large all-optical networks based on extant optical technology.