Fiber Optics and Optical Communication

Effect of second-order polarization mode dispersion on the performance of polarization mode dispersion emulators

[+] Author Affiliations
Deepak Gupta

Indian Institute of Technology, Delhi,Department of Physics, Hauz Khas, New Delhi, 110016, India

Arun Kumar

Indian Institute of Technology, Delhi,Department of Physics, Hauz Khas, New Delhi, 110016, India

K. Thyagarajan

Indian Institute of Technology, Delhi,Department of Physics, Hauz Khas, New Delhi, 110016, India

Opt. Eng. 46(8), 085006 (August 30, 2007). doi:10.1117/1.2772246
History: Received December 30, 2006; Revised March 01, 2007; Accepted March 02, 2007; Published August 30, 2007
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We analyze the performance of multisection fiber polarization mode dispersion (PMD) emulators based on random fiber sectioning and ordered sectioning, with the inclusion of second-order PMD in individual sections. Numerical simulations show that this inclusion leads to (1) an asymmetry in the autocorrelation function (ACF) that increases with the magnitude of second-order PMD and whose form depends on the sign of the second-order term, and (2) a shift in the probability distribution functions of the differential group delay (DGD), and hence the mean DGD, with frequency that are undesirable. This behavior is found to be similar for both types of sectioning and has negligible effect on their corresponding background autocorrelation. This analysis leads to the requirement of suitable design parameters of fibers for which the second-order PMD in individual sections is minimized so that the desired ACF of the fabricated PMD emulator is symmetric and the mean DGD is the same at all frequencies.

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© 2007 Society of Photo-Optical Instrumentation Engineers

Citation

Deepak Gupta ; Arun Kumar and K. Thyagarajan
"Effect of second-order polarization mode dispersion on the performance of polarization mode dispersion emulators", Opt. Eng. 46(8), 085006 (August 30, 2007). ; http://dx.doi.org/10.1117/1.2772246


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