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Arrangement for Adjusting and Compensating for First- and Second-Order Polarization Mode Dispersion
Arrangement for Adjusting and Compensating for First- and Second-Order Polarization Mode Dispersion
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机译:调整和补偿一阶和二阶偏振模色散的装置
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摘要
A configuration contains a series connection of a first emulation element, having a first adjustable differential delay time between the fast and slow main axes and further having an adjustable chromatic dispersion of a polarization adjuster for the adjustment of a polarization rotation angle, and of a second emulation element, having a second adjustable delay time. Advantageously, the first and second differential delay times, the polarization rotation angle, and the chromatic dispersion can be adjusted by the configuration such that a desired value each is obtained for the differential group delay, the depolarization, and the polarization-dependant chromatic dispersion. By the adjustment of the chromatic dispersion, arbitrary frequency-dependant run times of the spectral components of a broadband optical input signal are generated. The configuration may also be utilized for the compensation of PMD of the first and second orders.
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