Characterization of few mode fibers and devices

L Grüner-Nielsen, NM Mathew, K Rottwitt - Optical Fiber Technology, 2019‏ - Elsevier
This paper reviews characterization techniques for few mode fibers and components. The
focus is on interferometric techniques including spatial and spectral resolved imaging (S 2) …

Distributed polarization measurement for fiber sensing coils: A review

Z Yu, J Yang, C Lin, X Zhang, F Dang… - Journal of lightwave …, 2020‏ - ieeexplore.ieee.org
Distributed polarization measurement is a significant way to evaluate polarization-
maintaining fiber. It can assess the fiber's polarization preserving ability and locate internal …

Rayleigh scattering in few-mode optical fibers

Z Wang, H Wu, X Hu, N Zhao, Q Mo, G Li - Scientific Reports, 2016‏ - nature.com
The extremely low loss of silica fibers has enabled the telecommunication revolution, but
single-mode fiber-optic communication systems have been driven to their capacity limits. As …

Perfect vortex modes for nondestructive characterization of mode dependent loss in ring core fibers

M Banawan, SK Mishra, Y Messaddeq… - Journal of Lightwave …, 2022‏ - opg.optica.org
Ring core fibers (RCF) enable high-performance modal multiplexing with low crosstalk and
can support orbital angular momentum (OAM) modes. RCFs are challenging to characterize …

Distributed characterization of few-mode fibers based on optical frequency domain reflectometry

R Veronese, A Galtarossa, L Palmieri - Journal of Lightwave …, 2020‏ - opg.optica.org
A novel technique to measure differential group delay and modal birefringence along few
mode fibers is presented. The method relies on the analysis of the spectral correlation …

Mode-coupling induced crosstalk optimization in a graded-index six-mode fiber

T Zhao, F Wen, B Wu, B Xu, K Qiu - IEEE Photonics Journal, 2022‏ - ieeexplore.ieee.org
We thoughtfully investigate the feasibility of reducing the mode-coupling caused crosstalk by
optimizing the practical parameters of the few-mode fiber (FMF), based on the linear …

Fiber Bragg grating sensing multiplexing method using photonic lantern spatial mode diversity

T Gu, F Liu, Z Huang, P Wu, Z Zhu - Optics Communications, 2025‏ - Elsevier
This paper introduces a method for fiber Bragg grating (FBG) multiplexing based on spatial
mode diversity. By introducing the dimension of spatial modes in few-mode fibers (FMF), the …

Experimental investigation of relation between mode-coupling and fiber characteristics in few-mode fibers

R Maruyama, N Kuwaki, S Matsuo… - Optical Fiber …, 2015‏ - opg.optica.org
Experimental Investigation of Relation Between Mode-Coupling and Fiber Characteristics in
Few-Mode Fibers Page 1 M2C.1.pdf OFC 2015 © OSA 2015 Experimental Investigation of …

Measurement of distributed mode coupling in a few-mode fiber using a reconfigurable Brillouin OTDR

A Li, Y Wang, Q Hu, D Che, X Chen, W Shieh - Optics letters, 2014‏ - opg.optica.org
We report nondisruptive measurement of distributed mode coupling along a five-mode fiber
(5MF) using a reconfigurable Brillouin optical time domain reflectometer (OTDR) based on …

Effective Mode Field Diameter for LP11 Mode and Its Measurement Technique

A Nakamura, K Okamoto, Y Koshikiya… - IEEE Photonics …, 2016‏ - ieeexplore.ieee.org
The effective mode field diameter (MFD) for the second-order (LP 11) mode in two-mode
fibers is determined to allow estimation of the coupling efficiencies at a splice with axial …