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OTDM-to-WDM Conversion Based on Time-to-Frequency Mapping by Time-Domain Optical Fourier Transformation

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7 Author(s)
Palushani, E. ; DTU Fotonik, Tech. Univ. of Denmark, Lyngby, Denmark ; Hansen Mulvad, H.C. ; Galili, M. ; Hao Hu
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This paper reports on the utilization of the time-domain optical Fourier transformation (OFT) technique for serial-to-parallel conversion of optical time division multiplexed (OTDM) data tributaries into dense wavelength division multiplexed (DWDM) channels. The OFT is implemented by using a dispersive medium followed by phase modulation; the latter being achieved by a four-wave mixing process with linearly chirped pump pulses. Both numerical and experimental investigations of the OTDM-to-WDM conversion technique are carried out. Experimental validations are performed on 320- and 640-Gbit/s OTDM data with error-free performance.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:18 ,  Issue: 2 )