LIDAR utilizing SGDBR Lasers

Project Description

Mike Bernacil and Shane O’Connor

LIDAR (Light Detection and Ranging) system architectures and applications that are enabled by single-chip wavelength tunable Sampled Grating Distributed Bragg Reflector (SGDBR) lasers are being developed in this project. These new single chip lasers are unique in that wide-wavelength tunability (60 nm at 1550 nm center wavelength), high-speed frequency switching times (5ns), and high-speed amplitude modulation (5 GHz) functions are all integrated on the same semiconductor chip. The goal of this work is to adapt these lasers for applications in LIDAR. The first phase of proposed research is to find LIDAR architectural solutions that utilize the strengths of this laser class and mitigate the weaknesses. Figure1 shows two graduate students taking a break from their LIDAR activities for a photo opportunity. Figure 2 shows a top-view photograph of the laser chip. Figure 3 shows two packaged versions of this chip we have developed. Figure 4 shows one of the LIDAR architectures that are being investigated in the work. If you have interested in the project, please contact Professor Dennis Derickson.

For More Information

Dennis Derickson
ddericks@calpoly.edu