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Remote optoelectronic frequency down-conversion using 60-GHz optical heterodyne signals and an electroabsorption Modulator

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6 Author(s)
Jun-Hyuk Seo ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Chang-Soon Choi ; Woo-Young Choi ; Young-Shik Kang
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A new optoelectronic frequency down-conversion method for radio-on-fiber (RoF) uplink transmission is demonstrated by using an electroabsorption modulator, which down-converts uplink millimeter-wave signals into optical intermediate frequency (IF) using remotely fed optical local oscillator signals. Using this optoelectronic frequency down-converter, an RoF uplink is demonstrated in which quadrature-phase-shift keying uplink data signals in 60-GHz band are frequency down-converted to the 500-MHz optical IF signals and transmitted to the central station.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 5 )