Title :
Time and frequency domain characteristics of polarization-mode dispersion emulators
Author :
Khosravani, R. ; Lima, I.T., Jr. ; Ebrahimi, P. ; Ibragimov, E. ; Willner, A.E. ; Menyuk, C.R.
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
fDate :
2/1/2001 12:00:00 AM
Abstract :
We investigate both experimentally and theoretically a new technique to realistically emulate polarization-mode dispersion (PMD). We propose and demonstrate a PMD emulator using rotatable connectors between sections of polarization-maintaining fibers that generates an ensemble of high PMD fiber realizations by randomly rotating the connectors. It is shown that: (1) the DGD of this emulator is Maxwellian-distributed over an ensemble of fiber realizations at any fixed optical frequency; and (2) the frequency autocorrelation function of the PMD emulator resembles that in a real fiber when averaged over an ensemble of fiber realizations. A realistic autocorrelation function is required for proper emulation of higher order PMD and indicates the feasibility of using this emulator for wavelength-division-multiplexing (WDM) systems.
Keywords :
frequency-domain analysis; optical correlation; optical fibre communication; optical fibre couplers; optical fibre dispersion; optical fibre polarisation; optical fibre testing; optical fibre theory; time-domain analysis; wavelength division multiplexing; Maxwellian-distribution; WDM systems; differential group delay; feasibility; fiber realizations; fixed optical frequency; frequency autocorrelation function; frequency domain characteristics; polarization-maintaining fibers; polarization-mode dispersion; polarization-mode dispersion emulators; polarization-mode dispersion fiber realizations; real fiber; realistic autocorrelation function; rotatable connectors; time domain characteristics; wavelength-division-multiplexing; Autocorrelation; Computer science; Connectors; Emulation; Frequency domain analysis; Optical fiber communication; Optical fiber polarization; Optical fibers; Polarization mode dispersion; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
