Chip-scale coherent lidar with integrated high power laser diode
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United States of America
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Jan 18, 2022
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Jan 17, 2019
app pub date -
Apr 20, 2018
filing date -
Apr 20, 2018
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Abstract
A chip-scale coherent lidar system includes a master oscillator integrated on a chip to simultaneously provide a signal for transmission and a local oscillator (LO) signal. The system also includes a beam steering device to direct an output signal obtained from the signal for transmission out of the system, and a combiner on the chip to combine the LO signal and a return signal resulting from a reflection of the output signal by a target. One or more photodetectors obtain a result of interference between the LO signal and the return signal to determine information about the target.
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