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60-GHz-band full-duplex radio-on-fiber system using two-RF-port electroabsorption transceiver

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3 Author(s)
Kuri, T. ; Commun. Res. Lab., Minist. of Posts & Telecommun., Koganei, Japan ; Kitayama, K. ; Takahashi, Y.

A full-duplex radio-on-fiber system using a newly developed 60-GHz-band optical transceiver is investigated. We fabricated a 60-GHz-band two-radio-frequency (RF)-port electroabsorption transceiver (EAT) module, which is the first developed 60-GHz-band optical transceiver in the world. The EAT module has individual RF input and output ports, each with impedance-matching circuits that enhance modulation and detection efficiencies near 60 GHz. A radio-on-fiber testbed adopting the EAT has an advantage that a base station becomes the simplest configuration, which basically consists of only the 60-GHz-band EAT. Using the radio-on-fiber testbed, the simultaneous transmission of 59.6-GHz (downlink) and 60.0-GHz (uplink) signals with data of 156 Mb/s is experimentally demonstrated.

Published in:

Photonics Technology Letters, IEEE  (Volume:12 ,  Issue: 4 )