Techniques for improving SNR in a FMCW LiDAR system using a coherent receiver

RW Going, KB Viswanatha, P Srinivasan… - US Patent …, 2023 - Google Patents
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR
VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE …

Techniques for using a coherent receiver in a FMCW LiDAR system

RW Going, KB Viswanatha, P Srinivasan… - US Patent …, 2024 - Google Patents
The LiDAR system includes a coherent receiver disposed in a reference path. The coherent
receiver includes a 90 optical hybrid to receive a portion of an optical beam along the …

Optical sensing module

AJ Zilkie, H Abediasl, C Dalvi, J Driscoll… - US Patent …, 2023 - Google Patents
An optical sensing module suitable for wearable devices, the optical sensing module
comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the …