Title :
Comparative Analysis of BER Estimation Methods in Numerical Simulation of 40-Gb/s RZ-DPSK Transmission With In-Line SOAs
Author :
Slater, Brendan ; Boscolo, Sonia ; Mezentsev, Vladimir K. ; Turitsyn, Sergei K.
Author_Institution :
Sch. of Eng. & Appl. Sci., Aston Univ., Birmingham
fDate :
4/15/2007 12:00:00 AM
Abstract :
Applying direct error counting, we compare the accuracy and evaluate the validity of different available numerical approaches to the estimation of the bit-error rate (BER) in 40-Gb/s return-to-zero differential phase-shift-keying transmission. As a particular example, we consider a system with in-line semiconductor optical amplifiers. We demonstrate that none of the existing models has an absolute superiority over the others. We also reveal the impact of the duty cycle on the accuracy of the BER estimates through the differently introduced Q-factors
Keywords :
differential phase shift keying; error statistics; optical fibre communication; optical modulation; semiconductor optical amplifiers; 40 Gbit/s; BER; Q -factor; RZ-DPSK; SOA; bit-error rate; direct error counting; in-line semiconductor optical amplifier; return-to-zero differential phase-shift-keying transmission; Bit error rate; Differential quadrature phase shift keying; Fiber nonlinear optics; Nonlinear optics; Numerical simulation; Optical receivers; Phase estimation; Phase noise; Semiconductor optical amplifiers; Statistics; Direct error counting; numerical methods for bit-error-rate (BER) estimation; return-to-zero differential phase-shift keying (RZ-DPSK);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2007.894357
