Beam steering array antenna controlled by optical wavelength

被引：2

作者：

Inagaki, Keizo ^{[1
,3
]}

Ohira, Takashi ^{[2
]}

Kawanishi, Tetsuya ^{[1
]}

Izutsu, Masayuki ^{[3
]}

机构：

[1] Natl Inst Informat & Commun Technol, Photon Network Res Inst, Koganei, Tokyo 1848795, Japan

[2] Toyohashi Univ Technol Hibarigaoka, Dept Elect & Elect Informat Engn, Tempa Ku, Aichi 4418580, Japan

[3] Tokyo Inst Technol, Interdisciplinary Grad Sch Sci & Engn, Yokohama, Kanagawa 2268503, Japan

来源：

IEICE ELECTRONICS EXPRESS | 2011年 / 8卷 / 15期

关键词：

optically controlled phased array antenna; independently steerable multibeam; wavelength steering; birefringence waveguide; photonic integrated circuit;

D O I：

10.1587/elex.8.1221

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We developed a beam forming network (BFN) for an array antenna with 5 elements radiating 3 independently steerable beams, and measured the phase shift characteristics. The main part of the BFN is integrated as a single photonic integrated circuit (PIC) chip using birefringent Lithium Niobate (LN) waveguide. The phase distribution among the 5 element antennas is controlled by the wavelength tuning of an optical RF source. Highly linear phase shift characteristics with the sensitivity of 8.24 degrees/nm are achieved. By using 3 tunable optical RF sources allocated to different wavelength range, the PIC chip can generate feeding signals for 3 independently steerable beams.

引用

页码：1221 / 1227

页数：7

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