1. A. J. Barlow, T. G. Arnold, T. L. Voots, and P. J. Clark, “Method and apparatus for high resolution measurement of very low levels of polarization mode dispersion (PMD) in single mode optical fibers and for calibration of PMD measuring instruments,” U.S. Patent 5,654,793, Aug. 5, 1997.
2. G. Biondini, W. L. Kath, and C. R. Menyuk, “Non-maxwellian DGD distributions of PMD emulators,” in Tech. Dig., Optical Fiber Communications Conference (OFC’01), Anaheim, CA, Mar. 2001, paper ThA5.
3. G. Biondini and W. L. Kath, “Polarization-mode dispersion emulation with maxwellian lengths and importance sampling,” IEEE Photonics Technology Letters, vol. 16, no. 3, pp. 789–791, Mar. 2004.
4. C. F. Buhrer, “Higher-order achromatic quarterwave combination plates and tuners,” Applied Optics, vol. 27, no. 15, pp. 3166–3169, 1988.
5. H. Bulow, “System outage probability due to first-and second-order PMD,” IEEE Photonics Technology Letters, vol. 10, no. 5, pp. 696–698, 1998.