Publication: Passive sub-carrier multiplexing for discriminating overlapped optical spectra
Date
2018
Authors
Roslina M.
Mokhtar M.R.
Abdul Rashid H.A.
Yusoff Z.
Journal Title
Journal ISSN
Volume Title
Publisher
Institute of Electrical and Electronics Engineers Inc.
Abstract
A passive technique for multiplexing spectrally overlapping optical network signals is proposed and experimentally verified. The system utilizes arrayed fiber delay lines for multiplexing signal generation and offers simultaneous plotting of multiple optical spectra. Accurate recovery of individual spectrum of multiplexed long-period gratings spectra is experimentally demonstrated in a refractive index sensing application. This system provides an all-optical platform for economical multiplexing system in optical sensing networks. � 2018 IEEE.
Description
Fiber optic sensors; Laser pulses; Multiplexing equipment; Optical fibers; Optical sensors; Optical variables control; Sensor networks; Fiber delay line (FDL); Long Period Gratings; Multiplexing schemes; Multiplexing signals; Optical refraction; Refractive index sensing; Subcarrier multiplexing; temporal shifting; Refractive index