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Real-Time Software-Defined Multiformat Transmitter Generating 64QAM at 28 GBd

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11 Author(s)
Schmogrow, R. ; Karlsruhe Inst. of Technol. (KIT), Karlsruhe, Germany ; Hillerkuss, D. ; Dreschmann, M. ; Huebner, M.
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We demonstrate a software-defined real-time optical multiformat transmitter. Here, eight different modulation formats are shown. Data rate and modulation formats are defined through software accessible look-up tables enabling format switching in the nanosecond regime without changing the transmitter hardware. No data are lost during the switching process. SP-64 quadrature amplitude modulation at 28 Gbd has been generated and tested. This allows us to generate a 336-Gb/s real-time pseudorandom bit sequence in a dual polarization setup.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 21 )

Date of Publication:

Nov.1, 2010

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