Polarization Control and Measurement for Optical Fibers

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Polarization Control and Measurement for Optical Fibers

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  • Author: Jay Jeong, Ph.D.
A beam of light can be thought of as being composed of two orthogonal electrical vector field components that may vary in amplitude and frequency. Polarized light occurs when these two components differ in phase or amplitude. Polarization in optical fiber has been extensively studied and a variety of methods are available to either minimize or exploit the phenomenon. In this tutorial, basic principles and technical background are introduced to help explain how polarization in fiber optics works and how its control and measurement can be done.

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