Recent Advances in Digital Longitudinal Monitoring of Fiber-Optic Link
- Resource Type
- Conference
- Authors
- Sasai, Takeo; Takahashi, Minami; Kaneko, Runa; Sone, Yoshiaki; Nakamura, Masanori; Yamazaki, Etsushi
- Source
- 2024 Optical Fiber Communications Conference and Exhibition (OFC) Optical Fiber Communications Conference and Exhibition (OFC), 2024. :1-3 Mar, 2024
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Optical fibers
Reviews
Optical fiber communication
Optical receivers
Monitoring
- Language
We review digital longitudinal monitoring, particularly longitudinal power monitoring (LPM), which estimates fiber-longitudinal optical power at a coherent receiver. We highlight key experiments including precise LPM closely matching OTDR and its feasibility demonstration at operational powers.