Abstract

Polarization-mode dispersion (PMD) is a serious impairment for high-bit-rate optical telecommunication systems. It is known that spinning the fiber during the drawing process drastically reduces the PMD. However,the analysis of pulse propagation through a randomly birefringent spun fiber is still at an early stage. In this paper, we derive an analytical formula for the mean differential group delay of a periodically spun fiber with random birefringence. We model the birefringence with fixed modulus and a random orientation under the condition that the spin period is shorter than the beat length. Finally, we numerically compare the analytical results with those given by the random-modulus model of birefringence, and we obtain good agreement as long as the short-period assumption is satisfied.

© 2003 IEEE

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Appl. Opt. (1)

J. Lightwave Technol. (5)

A. Galtarossa, L. Palmieri and A. Pizzinat, "Optimized spinning design for low PMD fibers: An analytical approach", J. Lightwave Technol., vol. 19, pp. 1502-1512, Oct. 2001.

H. Sunnerud, C. Xie, M. Karlsson, R. Samuelsson and P. A. Andrekson, "A comparison between different PMD compensation techniques", J. Lightwave Technol., vol. 20, pp. 368-378, Mar. 2002.

A. Galtarossa and L. Palmieri, "Measure of twist-induced circular birefringence in long single-mode fibers: Theory and experiments", J. Lightwave Technol., vol. 20, pp. 1149-1159, July 2002.

M. A. Santoro and C. D. Poole, "Polarization scrambling using a short piece of high-birefringence optical fiber and a multifrequency laser diode", J. Lightwave Technol., vol. 12, pp. 288-293, Feb. 1994 .

P. K. A. Wai and C. R. Menyuk, "Polarization mode dispersion, decorrelation and diffusion in optical fibers with randomly varying birefringence", J. Lightwave Technol., vol. 14, pp. 148-157, Feb. 1996.

Opt. Lett. (5)

Other (11)

C. D. Poole and J. Nagel, "Polarization effects in lightwave systems,"in Optical Fiber Telecommunications, I. P. Kaminow, and T. Koch, Eds. San Diego, CA: Academic, 1997.

W. H. Press, S. A. Teukolsky, W. T. Vetterling and B. P. Flannery, Numerical Recipes in C: The Art of Scientific Computing , Cambridge: Cambridge Univ. Press, 1992.

A. Galtarossa, L. Palmieri and A. Pizzinat, "Low-PMD spun fibers", in Proc. Venice Summer School on Polarization Mode Dispersion, Venice, Italy, 2002,Paper Th-08.

F. Corsi, A. Galtarossa and L. Palmieri, "Analytical treatment of polarization dispersion in single-mode fibers by means of backscattering signal", J. Opt. Soc. Amer. A, vol. 16, pp. 574-583, 1999.

C. R. Menyuk and P. K. A. Wai, "Polarization evolution and dispersion in fibers with spatially varying birefringence", J. Opt. Soc. Amer. B, vol. 11, pp. 1288-1296, 1994.

B. Øksendal, Stochastic Differential Equations, Berlin: Germany: Springer-Verlag, 2000.

V. A. Yakubovich and V. M. Starzhinskii, Linear Differential Equations With Periodic Coefficients, New York: Wiley, 1975.

A. Hart, R. G. Huff and K. L. Walker, "Method of making a fiber having low polarization mode dispersion due to a permanent spin", U.S. Pat. 5 298 047, 1994.

A. Hart, R. G. Huff and K. L. Walker, "Article comprising optical fiber having low polarization mode dispersion,due to permanent spin", U.S. Pat. 5 418 881, 1995.

M. J. Li and D. A. Nolan, "Fiber spin-profile designs for producing fibers with low polarization mode dispersion", Opt. Lett, vol. 23, pp. 1659-1661, 1998.

A. Galtarossa, P. Griggio, A. Pizzinat and L. Palmieri, "Calculation of mean differential group delay of periodically spun randomly birefringent fibers", Opt. Lett. , vol. 27, pp. 692-694, 2002.

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