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Integrated phased array for wide-angle beam steering

机译:集成相控阵用于广角光束转向

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摘要

We demonstrate an on-chip optical phased array fabricated in a CMOS compatible process with continuous, fast (100 kHz), wide-angle (51°) beam-steering suitable for applications such as low-cost LIDAR systems. The device demonstrates the largest (51°) beam-steering and beam-spacing to date while providing the ability to steer continuously over the entire range. Continuous steering is enabled by a cascaded phase shifting architecture utilizing, low power and small footprint, thermo-optic phase shifters. We demonstrate these results in the telecom C-band, but the same design can easily be adjusted for any wavelength between 1.2 and 3.5 μm.
机译:我们演示了采用CMOS兼容工艺制造的片上光学相控阵列,该阵列具有连续,快速(100 kHz),广角(51°)的光束转向,适用于诸如低成本LIDAR系统之类的应用。该设备展示了迄今为止最大的(51°)光束转向和光束间距,同时提供了在整个范围内连续转向的能力。通过级联移相架构实现连续转向,该级移相架构利用了低功耗,小尺寸的热光移相器。我们在电信C波段演示了这些结果,但是对于1.2至3.5μm之间的任何波长,都可以轻松调整相同的设计。

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