Modified S2 schemes for estimating differential mode group delay in polarization-maintaining few-mode fiber

Xu, Jinsheng; Zhao, Jian; Xu, Tianhua

doi:10.1016/j.yofte.2022.102887

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2023

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“…In contrast, OLCI/OLCR merely needs a short sample where a high resolution is also achieved by measuring the wavelength dependence of modal group delay difference [16,17]. Spectral interferometric methods measure the DGD by analyzing the amplitude or spectrum of the interferometer [18][19][20][21][22][23][24][25][26][27][28][29][30]. In this case, analyzing the data with a window Fourier transform (WFT) can be very useful.…”

Section: Introductionmentioning

confidence: 99%

Application of Crossed Polarizer Method in the Measurement of Differential Group Delay of Optical Fibers

Feng

et al. 2023

Photonics

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In this paper, we report the use of crossed polarizer technique to measure the differential group delay (DGD) of few-mode optical fiber (FMF). The windowed Fourier transform (WFT) is applied in the analysis of beat length measurement in the spectral domain to obtain the dependence of DGD as a function of wavelength. The birefringence of polarization-maintaining fiber (PMF) and the DGD of FMF are measured by applying our method. We discuss the noise background, the width of DGD peaks, and the possible errors introduced in the optical path in the modified crossed polarizer technique.

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Section: Introductionmentioning

confidence: 99%

Application of Crossed Polarizer Method in the Measurement of Differential Group Delay of Optical Fibers

Feng

et al. 2023

Photonics

View full text Add to dashboard Cite

show abstract

Modified S2 schemes for estimating differential mode group delay in polarization-maintaining few-mode fiber

Cited by 1 publication

References 14 publications

Application of Crossed Polarizer Method in the Measurement of Differential Group Delay of Optical Fibers

Application of Crossed Polarizer Method in the Measurement of Differential Group Delay of Optical Fibers

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