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Large-scale integrated multi-lines optical phased array chip
IEEE Photonics Journal ( IF 2.1 ) Pub Date : 2020-08-01 , DOI: 10.1109/jphot.2020.3001005
Lan-Xuan Zhang , Ying-Zhi Li , Min Tao , Yu-Bing Wang , Yu Hou , Bo-Song Chen , Yu-Xuan Li , Li Qin , Feng-Li Gao , Xian-Shu Luo , Guo-Qiang Lo , Jun-Feng Song

We design and integrate four optical phased arrays (OPAs) in a single chip. Each OPA possesses different output grating period. Furthermore, we use optical switches to select one or more OPAs for beam scanning. We demonstrate the longitudinal scanning by tuning the laser wavelength. The experimental results show that the scanning range of the four-lines chip reaches 28.54° when the wavelength ranges from 1520 nm to 1570 nm, and the eight-lines one reaches 19.04° with wavelength range of 1520 nm-1540 nm. We greatly improve the wavelength tuning efficiency for longitudinal scanning.

中文翻译:

大规模集成多线光学相控阵芯片

我们在单个芯片中设计并集成了四个光学相控阵 (OPA)。每个 OPA 具有不同的输出光栅周期。此外,我们使用光开关来选择一个或多个 OPA 进行光束扫描。我们通过调整激光波长来演示纵向扫描。实验结果表明,四线芯片在1520~1570nm波长范围内扫描范围达到28.54°,八线芯片在1520~1540nm波长范围内扫描范围达到19.04°。我们大大提高了纵向扫描的波长调谐效率。
更新日期:2020-08-01
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