2 June 2014 Distributed measurement of intermodal beat length in an elliptic-core two-mode fiber by Brillouin dynamic grating
Author Affiliations +
Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91573S (2014) https://doi.org/10.1117/12.2059454
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain
Abstract
Optical time-domain measurement and characterization of intermodal beat length in an elliptic-core two-mode fiber (ecore TMF) is demonstrated using Brillouin dynamic grating. A mode-selective coupler is used for selective launch and retrieval of different modes, and the operations of BDG for four different pairs of pump-probe (LP01 x-LP11 x, LP01 x-LP11 y, LP01 y-LP11 x, LP01 y-LP11 y) are observed, representing a fine structure of modal birefringence in the e-core TMF. Distributed measurement of the BDG spectrum is performed for each pair of pump-probe with 1.5 m spatial resolution mapping the difference of the effective refractive indexes of spatial and polarization modes along a 75 m TMF.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yong Hyun Kim, Yong Hyun Kim, Kwang Yong Song, Kwang Yong Song, } "Distributed measurement of intermodal beat length in an elliptic-core two-mode fiber by Brillouin dynamic grating", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91573S (2 June 2014); doi: 10.1117/12.2059454; https://doi.org/10.1117/12.2059454
PROCEEDINGS
4 PAGES


SHARE
Back to Top