Abstract
An optical packet switch designed for asynchronous operation is analyzed and
simulated. The switch design is cost optimized, with only two stages of tunable
wavelength converters, standard demultiplexers designed for wavelength-division
multiplexing (WDM), and one single arrayed waveguide grating router used. The switch can
be rearranged to be nonblocking, but performs without buffers almost like a strictly
nonblocking switch, where the allowed traffic load is limited primarily by output
contention. The switch is scalable and upgradeable in the sense that any number of input
and output fibers is allowed, up to the number of WDM channels available on a
fiber.
© 2003 Optical Society of America
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