Journal
IEICE TRANSACTIONS ON ELECTRONICS
Volume E96C, Issue 2, Pages 204-211Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
DOI: 10.1587/transele.E96.C.204
Keywords
electro-optic modulator; patch antenna; resonant electrode; millimeter-wave; radio-over-fiber
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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 2 4 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.
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