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Reconfigurable photonic integrated transmitter for metro-access networks

Aleksandra Kaszubowska-Anandarajah, Syed Tajammul Ahmad, Chris G. H. Roeloffzen, Paulus W. L. van Dijk, Ankit Sharma, Manas Srivastava, Prajwal D. Lakshmijayasimha, M. Deseada Gutierrez Pascual, Frank Smyth, Jules Braddell, and Prince M. Anandarajah

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Abstract

A reconfigurable photonic integrated transmitter, enabling dynamic resource allocation in the metro-access network, is proposed. The device consists of a multicarrier sliceable bandwidth variable transmitter (MC-SBVT) realized in indium phosphide and a silicon-nitride-based optical cross-connect (OXC). The proposed architecture delivers full flexibility in terms of the choice of data format/bandwidth, channel spacing, and wavelength assignment. The functional design of the MC-SBVT and OXC as well as their practical realization are discussed. Preliminary characterization results of the photonic-integrated-circuit-based MC-SBVT, demonstrating the reconfigurability of the device, are also presented.

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