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Phase-Insensitive RF Envelope Detection Allows Optical Heterodyning of MHz-Linewidth Signals

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4 Author(s)
Aldaya, I. ; Dept. of Electr. & Comput. Eng., Tecnol. de Monterrey, Monterrey, Mexico ; Campuzano, G. ; Gosset, C. ; Castanon, G.

We demonstrate the insensitivity of the envelope detection based mobile terminal to phase fluctuations of the RF signal. This property enables the generation of radio over fiber (RoF) signals heterodyning non-narrow linewidth laser signals and using direct modulation. We report the experimental generation of up to 2-Gb/s orthogonal frequency division multiplexing (OFDM) signals and their transmission over a 25-km long fiber span using direct modulation and DFB lasers with a combined linewidth of 2.1 MHz with a resulting BER below 10-3.

Published in:

Photonics Technology Letters, IEEE  (Volume:25 ,  Issue: 22 )

Date of Publication:

Nov.15, 2013

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