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High-Speed Dynamic Polarization Controllers/Scramblers and Rotators Using EEO crystals

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High-Speed Dynamic Polarization Controllers/Scramblers and Rotators Using EEO crystals

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In fiber optic communication, sensing systems, optical imaging and security, many devices, such as 100 Gb/s coherent detection systems, interferometers, and electro-optic modulators, are sensitive to polarization-related impairments. These impairments result from high internal birefringence, such as core asymmetry and built-in stresses, and from externally induced birefringence such as from, twists, pressure, mechanical stress and thermal stress applied to optical fiber links. The distortion in signals due to birefringence is known as polarization mode dispersion (PMD).

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