Abstract
We demonstrate path wavelength routing and switching using a packaged
and pigtailed hybrid integrated silicon-on-insulator (SOI) photonic circuit.
The fabricated device incorporates a 1.25 mm nonlinear semiconductor optical
amplifier mounted on the SOI board and two multimode interference-based cascaded
delay interferometers monolithically integrated on the same SOI substrate.
The photonic chip has a footprint of 384 mm<sup>2</sup> and performs all-optical wavelength
conversion at ultrafast data rates. The packaged and pigtailed module is inserted
and tested as a switching node in a meshed optical network testbed carrying
real data traffic and encompassing a wavelength division multiplexing optical
link. Optical path wavelength switching and routing is implemented by a generalized
multiprotocol label switching control plane. We present 10 GbE video-streaming
routing as well as 40 Gb/s wavelength switching employing the system integrated
all-optical wavelength converter. Error-free transmission and different kind
of end-to-end services (video distribution, audio conference, and video conference)
have been successfully evaluated.
© 2012 IEEE
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