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Journal article

All-optical OFDM demultiplexing by spectral magnification and band-pass filtering

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Department of Photonics Engineering, Technical University of Denmark1

Ultra-fast Optical Communication, Department of Photonics Engineering, Technical University of Denmark2

We propose a simple OFDM receiver allowing for the use of standard WDM receivers to receive spectrally advanced OFDM signals. We propose to spectrally magnify the optical-OFDM super-channels using a spectral telescope consisting of two time-lenses, which enables reduced inter-carrier-interference in subcarrier detection by simple band-pass filtering.

A demonstration on an emulated 100 Gbit/s DPSK optical-OFDM channel shows improved sensitivities after 4-times spectral magnification.

Language: English
Year: 2014
Pages: 136-144
ISSN: 10944087
Types: Journal article
DOI: 10.1364/OE.22.000136
ORCIDs: Kong, Deming , Guan, Pengyu , Galili, Michael and Oxenløwe, Leif Katsuo

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