Title :
Modelling of a DFB laser at low bias directly modulated with an OFDM signal for RoF applications
Author :
Assimakopoulos, P. ; Vieira, L.C. ; Nkansah, A. ; Wake, D. ; Gomes, N.J. ; van Dijk, F.
Author_Institution :
Dept. of Electron., Univ. of Kent, Canterbury, UK
Abstract :
A DFB laser biased at a low bias point is modeled using a modified AM/AM Rapp model. Distortion effects are simulated and compared to the analytical predictions made by Bussgang´s theorem for soft limiter nonlinearity.
Keywords :
OFDM modulation; distributed feedback lasers; optical distortion; optical limiters; radio-over-fibre; Bussgang theorem; DFB laser; OFDM signal; distortion effects; distributed feedback laser; low bias point; modified AM/AM Rapp model; radio-over-fibre; soft limiter nonlinearity; Additive white noise; Gaussian noise; Laser modes; Laser noise; Nonlinear distortion; OFDM modulation; Optical distortion; Optical noise; Peak to average power ratio; Power lasers;
Conference_Titel :
Microwave Photonics, 2009. MWP '09. International Topical Meeting on
Conference_Location :
Valencia
Print_ISBN :
978-1-4244-4788-6
