학술논문
Polarization preservation in circular multimode optical fibers and its measurement by a speckle method
Document Type
Periodical
Author
Source
Journal of Lightwave Technology J. Lightwave Technol. Lightwave Technology, Journal of. 2(4):435-441 Aug, 1984
Subject
Language
ISSN
0733-8724
1558-2213
1558-2213
Abstract
The first-order statistics of the Stokes parameters (SP's) are used to investigate the polarization properties of a circular multimode optical fiber. Linearly polarized light launched into an optical fiber 3 m in length is found to be partially preserved. The degree of polarizationPwas a proper parameter to measure quantitatively the polarization preservation in our experiments.Pwas especially high, when the speckle field produced at the end of the fiber was nonuniform. In all experimental investigations, the probability density functions (PDF's) of the Stokes parameters, calculated theoretically, coincide well with the experimental results. The spatial stationarity of the fiber speckle pattern has been verified when all modes ate equally excited.