Phograin Technology (shenzhen) Co., Ltd.

Hongliang Liu

Yan Zou

Yanwei Yang

Ge Liu

Provided are a photoelectric chip, a manufacturing method and an installation method, which relate to the field of optical communication and transmission technologies. The chip is provided with a light-splitting groove (), and the light-splitting groove () runs through an absorption layer () of the chip; the back of the chip is a light-entering side; the light-splitting groove () is configured to transmit and split out part () of incident light (), and the other part () of the incident light () enters the absorption layer () for photovoltaic conversion. The photoelectric chip can split light and monitor optical power of the incident light.

Photoelectric chip, manufacturing method and installation method

Provided are a photodetector, a manufacturing method thereof, and a lidar system. A photosensitive region of the photodetector is circular and has a diameter range of 100-300 &#x3bc;m. Compared with a conventional photodetector having a photosensitive region with a diameter of 50 &#x3bc;m, the photodetector of the present invention can have a detection range greater than 200 m, responsivity greater than 20 A/W and a dark current less than 10 nA.

Growing community of inventors

Guangdong, China

Hongliang Liu