Light depolarization owing to amplified spontaneous emission and Kerr nonlinearity in long-haul fiber links close to zero dispersion.
The interplay between amplif ied spontaneous emission noise and Kerr nonlinearity is shown to produce significant depolarization of light in long-haul transmission links operating close to zero dispersion. If polarization mode dispersion is neglected, a simple analytical theory predicts the length scale over which depolarization occurs. The analytical theory is compared with computer simulations, which also permit analysis of the case in which polarization mode dispersion is included.
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