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Introduction to Lidar

Jonathan Doyland (RnD Engineer, Intel)

Location: Ballroom E

Date: Wednesday, January 29

Time: 12:00pm - 12:45pm

Track: 03. Integrating Photonics & Wireless in Electrical Design

Format: Technical Session

Pass Type: 2-Day Pass, All-Access Pass, Alumni All-Access Pass - Get your pass now!

Vault Recording: TBD

Audience Level: Introductory

LIDAR (Light Detection and Ranging) is widely considered a necessity for fully automated self-driving automotive applications. In order to sample the far field with sufficient resolution, LIDAR systems must incorporate either a large number of optical emitters or a means of steering the optical emission from a small number of outputs across the far field. Due to the density of optical components required, LIDAR is ripe for optical integration in order to achieve miniaturization and scalable manufacturability.

Typical LIDAR systems employ either incoherent pulsed approaches, which can include encoding for pulse compression , or coherent approaches such as Frequency Modulated Continuous Wave (FMCW). Each has advantages and disadvantages but both require a suite of components including lasers, amplifiers, phase and amplitude control, low-noise photodiodes, polarization control, coupling on/off chip, resonators/interferometers, and optical routing. Silicon photonics provides an avenue for integration of all of these on-chip in a manufacturable setting, thus enabling chip-scale solid-state LIDAR.

This talk will give an overview of LIDAR techniques, the components required for a chip-scale LIDAR solution, and the state of the art in silicon photonics with respect to this goal.


Advances in Lidar Technology and Silicon Photonics Based Lidar