Development of a Raman OTDR System Based on High Gain Low Noise Optical Receiver

Journal
Frontiers in Optics: Proceedings Frontiers in Optics + Laser Science 2023, FiO, LS 2023
Date Issued
2023-01-01
Author(s)
Kumar, Kishore
Varadhan, Venkatesh
DOI
Abstract
An optical receiver with high gain bandwidth (~6e7 MHz) has been designed and fabricated to detect extremely weak (sub-nW) anti-Stokes backscattered light, which allows the use of relatively low power semiconductor lasers for distributed temperature sensing applications.