Abstract
A 160 Gb/s/port 2$\,\times \,$2 optical packet switching node test-bed is implemented by
exploiting semiconductor optical amplifier-based label extraction and
contention detection.Optical packed switched networks are attractive because they allow packet
switching without conversion of the data in the electronic domain, making
the nodes transparent to the data format and improving the network
scalability.Despite the control of the switching and of the contentions in the network
nodes can be implemented in the electronic domain, the use of all-optical
processing also in the subsystems devoted to the control can increase the
node performance by leading to a reduced packet latency time and to a
possibly more efficient implementations.Nevertheless integrated realizations are required to make the all-optical
approach attractive and effective also in terms of power consumption and
footprint. SOA technology represents a mature and reliable technology
suitable for hybrid integrated implementations.The implementation of active label processing in a real testbed with
discrete devices demonstrates the validity of the proposed approach.
Error-free operations are obtained with a 50 Gchip/s label. To the best of
our knowledge this is the first demonstration of active label processing at
a chip rate as high as 50 Gchip/s.
© 2010 IEEE
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