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IEICE TRANSACTIONS on Electronics

Electro-Optic Modulators Using Double Antenna-Coupled Electrodes for Radio-over-Fiber Systems

Naohiro KOHMU, Hiroshi MURATA, Yasuyuki OKAMURA

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Summary :

We propose new electro-optic modulators using a double antenna-coupled electrode structure for radio-over-fiber systems. The proposed modulators are composed of a pair of patch antennas and a standing-wave resonant electrode. By utilizing a pair of patch antennas on SiO2 substrates and a coupled-microstrip line resonant electrode on a LiNbO3 substrate with a symmetric configuration, high-efficiency optical modulation is obtainable for 24 optical waveguides at the same time. The proposed modulators were designed at 58 GHz and their basic operations were demonstrated successfully with an improvement of 9 dB compared to a single antenna-coupled electrode device on a LiNbO3 substrate in our previous work.

Publication
IEICE TRANSACTIONS on Electronics Vol.E96-C No.2 pp.204-211
Publication Date
2013/02/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E96.C.204
Type of Manuscript
Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
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