Demonstration of an optical phased array using electro-optic polymer phase shifters

Hirano Yoshikuni; Motoyama Yasushi; Tanaka Katsu; Machida Kenji; Yamada Toshiki; Otomo Akira; Kikuchi Hiroshi

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Demonstration of an optical phased array using electro-optic polymer phase shifters

机译：使用电光聚合物相移器演示光学相控阵

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We have been investigating an optical phased array (OPA) using electro-optic (EO) polymers in phase shifters to achieve ultrafast optical beam steering. In this paper, we describe the basic structures of the OPA using EO polymer phase shifters and show the beam steering capability of the OPA. The designed OPA has a multimode interference (MMI) beam splitter and 8-channel polymer waveguides with EO polymer phase shifters. We compare 1 x 8 MMI and cascaded 1 x 2 MMI beam splitters numerically and experimentally, and then obtain uniform intensity outputs from the 1 x 8 beam splitter. We fabricate the EO polymer OPA with a 1 x 8 MMI beam splitter to prevent intensity dispersion due to radiation loss in bending waveguides. We also evaluate the optical beam steering capability of the fabricated OPA and found a 2.7 degrees deflection of far-field patterns when applying a voltage difference of 25V in adjacent phase shifters. (C) 2018 The Japan Society of Applied Physics

机译：我们一直在研究在相移器中使用电光（EO）聚合物的光学相控阵（OPA），以实现超快的光束转向。在本文中，我们描述了使用EO聚合物相移器的OPA的基本结构，并显示了OPA的光束转向能力。设计的OPA具有多模干涉（MMI）分束器和带有EO聚合物相移器的8通道聚合物波导。我们在数值和实验上比较1 x 8 MMI和级联的1 x 2 MMI分束器，然后从1 x 8分束器获得均匀的强度输出。我们使用1 x 8 MMI分束器制造EO聚合物OPA，以防止由于弯曲波导中的辐射损耗而导致强度分散。我们还评估了制造的OPA的光束转向能力，并发现在相邻移相器中施加25V的电压差时，远场图形的偏转为2.7度。（C）2018日本应用物理学会

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《Japanese journal of applied physics》 |2018年第3s2期|03EH09.1-03EH09.5|共5页
作者
Hirano Yoshikuni; Motoyama Yasushi; Tanaka Katsu; Machida Kenji; Yamada Toshiki; Otomo Akira; Kikuchi Hiroshi;
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NHK Sci & Technol Res Labs, Setagaya Ku, Tokyo 1578510, Japan;

NHK Sci & Technol Res Labs, Setagaya Ku, Tokyo 1578510, Japan;

NHK Sci & Technol Res Labs, Setagaya Ku, Tokyo 1578510, Japan;

NHK Sci & Technol Res Labs, Setagaya Ku, Tokyo 1578510, Japan;

Natl Inst Informat & Commun Technol, Adv ICT Res Inst, Kobe, Hyogo 6512492, Japan;

Natl Inst Informat & Commun Technol, Adv ICT Res Inst, Kobe, Hyogo 6512492, Japan;

NHK Sci & Technol Res Labs, Setagaya Ku, Tokyo 1578510, Japan;

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1. Single-chip integrated electro-optic polymer photonic RF phase shifter array [J] . Han J., Byoung-Joon Seo, SeongKu Kim, Journal of Lightwave Technology . 2003,第12期

机译：单芯片集成电光聚合物光子射频移相器阵列
2. EXPERIMENTAL DEMONSTRATION OF A PHASED-ARRAY ANTENNA OPTICALLY CONTROLLED WITH PHASE AND TIME DELAYS [J] . Dolfi D., Antoine J., Huignard JP., Applied optics . 1996,第26期

机译：受相和时滞控制的相控阵天线的实验演示
3. Silicon-Based Optical Phased Array Using Electro-Optic $p$ - $i$ - $n [J] . Geumbong Kang, Seong-Hwan Kim, Jong-Bum You, IEEE Photonics Technology Letters . 2019,第21期

机译：基于硅的光相控阵使用电光$ P $ - $ i $ - $ n
4. High-speed and power-efficient beam-steering using 1×16 silicon optical phased array with electro-optic phase shifters [C] . Geumbong Kang, Dae-Seong Lee, Hyeonho Yoon, Optical Interconnects Conference . 2020

机译：使用具有电光相移器的1×16硅光相控阵的高速和高功效光束转向
5. Single-chip integrated electro-optic polymer RF phase shifter and optical single-sideband modulator. [D] . Han, Jeehoon. 2004

机译：单芯片集成电光聚合物射频移相器和光学单边带调制器。
6. Synthetic phase-shifting for optical testing: Point-diffraction interferometry without null optics or phase shifters [O] . Ryeojin Park, Dae Wook Kim, Harrison H. Barrett -1

机译：用于光学测试的合成相移：点衍射干涉测量法没有零光学器件或相移器
7. Demonstration of a wideband photonic phased array using integrated optical RF phase shifter based on the vector sum approach [O] . Mitchell A, Bui L, Ghorbani K, 2003

机译：使用基于矢量和方法的集成光学RF移相器演示宽带光子相控阵
8. Electro-optic Polymers and Applications in Phase Shifters for Next Generation Phase Array Antennas [R] . Steier, W. H. , Oh, M. C. , Zhang, C. , 2000

机译：电光聚合物及其在移相器中的应用，适用于下一代相阵天线

Demonstration of an optical phased array using electro-optic polymer phase shifters

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