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Journal article

Photonic downconversion for coherent phase-modulated radio-over-fiber links using free-running local oscillator

By Caballero Jambrina, Antonio1,2; Zibar, Darko1,2; Schäffer, Christian G.3; Tafur Monroy, Idelfonso1,2

From

Metro-Access and Short Range Systems, Department of Photonics Engineering, Technical University of Denmark1

Department of Photonics Engineering, Technical University of Denmark2

Helmut-Schmidt-University3

A digital coherent receiver employing photonic downconversion is presented and experimentally demonstrated for phase-modulated radio-over-fiber optical links. Photonic downconversion adds additional advantages to optical phase modulated links by allowing demodulation of signals with RF carrier frequencies exceeding the bandwidth of electrical analog-to-digital converter.

High spurious-free dynamic range is observed for RF carriers at 5GHz photonically downconverted to 1GHz.

Language: English
Year: 2011
Pages: 263-266
ISSN: 10959912 and 10685200
Types: Journal article
DOI: 10.1016/j.yofte.2011.03.001
ORCIDs: Zibar, Darko and Tafur Monroy, Idelfonso
Keywords

Coherent detection Phase-modulation Radio-over-fiber

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