Title :
Phase-preserving multilevel amplitude regeneration using modified nonlinear amplifying loop mirrors
Author :
Roethlingshoefer, Tobias ; Hierold, Martin ; Sponsel, Klaus ; Onishchukov, Georgy ; Schmauss, Bernhard ; Leuchs, Gerd
Author_Institution :
Max Planck Inst. for the Sci. of Light, Erlangen, Germany
Abstract :
Single and cascaded NALM performance was investigated in numerical simulations for star-8QAM. An amplitude noise reduction above 5dB was obtained for each signal state leading to an increase of up to 7dB in signal power, launched in a transmission line.
Keywords :
mirrors; numerical analysis; optical communication equipment; quadrature amplitude modulation; amplitude noise reduction; cascaded NALM performance; modified nonlinear amplifying loop mirrors; numerical simulations; phase-preserving multilevel amplitude regeneration; single NALM performance; star-8QAM; Band pass filters; Bit error rate; Fluctuations; Optical fiber amplifiers; Optical filters; Phase noise; Repeaters;
Conference_Titel :
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-8536-9
Electronic_ISBN :
978-1-4244-8534-5
DOI :
10.1109/ECOC.2010.5621545
