IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543

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Optical High-Gain Leaky-Wave Antenna by Using a Waffle-Iron Waveguide
Shunichi KaneokaWataru IidaHiroshi HashiguchiToshihiko BabaHiroyuki Arai
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論文ID: 17.20200411

この記事には本公開記事があります。
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This paper presents a comparison of optical leaky-waveguide antennas, i.e., grating waveguide (GWG), waffle waveguide (WWG), and waffle-iron waveguide (WIWG), using both simulations and measurements. WIWG radiates a narrow beam that is tilted by sweeping the incident wavelength, and it possesses a higher antenna gain than GWG and WWG under the same fabrication condition. The reason is due to a slight difference in the effective index along the longitudinal sections, which provides a large aperture size for high antenna gain. We simulate the antenna characteristics and experimentally confirm the high antenna gain.

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