Title :
An exact analysis of RZ versus NRZ sensitivity in ASE noise limited optical systems
Author :
Bosco, G. ; Gaudino, R. ; Poggiolini, P.
Author_Institution :
Dipt. di Elettronica, Politecnico di Torino, Italy
Abstract :
We analyze the performance of an ASE-noise-limited system using an exact semianalytical method based on Karhunen-Loeve series, showing that the sensitivity gap between the NRZ and RZ modulation formats decreases when the optical filter bandwidth is decreased.
Keywords :
error statistics; filtering theory; laser noise; matched filters; optical filters; optical modulation; optical receivers; sensitivity analysis; series (mathematics); superradiance; wavelength division multiplexing; ASE noise limited optical systems; BER analysis; DWDM systems; Karhunen-Loeve series; NRZ modulation format; NRZ sensitivity; RZ modulation format; RZ sensitivity; bit error rate; error probability; exact semianalytical method; matched-filter limit; optical filter bandwidth; Bandwidth; Bit error rate; Optical filters; Optical noise; Optical pulse shaping; Optical receivers; Optical sensors; Optical signal processing; Performance analysis; Shape;
Conference_Titel :
Optical Communication, 2001. ECOC '01. 27th European Conference on
Print_ISBN :
0-7803-6705-7
DOI :
10.1109/ECOC.2001.989092
