Title :
Multilevel amplitude and phase regeneration in a nonlinear amplifying loop mirror with a phase-sensitive amplifier
Author :
Roethlingshoefer, T. ; Onishchukov, G. ; Schmauss, Bernhard ; Leuchs, Gerd
Author_Institution :
Max Planck Inst. for the Sci. of Light, Erlangen, Germany
Abstract :
A novel regenerator scheme for all-optical multilevel simultaneous amplitude and phase noise suppression is proposed. For a star-8QAM signal, consisting of two amplitude and four phase states, EVM reduction is 4 dB and 2.5 dB for the high- and low-power states, respectively. The limiting effects of the regenerator performance have been considered.
Keywords :
mirrors; optical modulation; phase noise; quadrature amplitude modulation; all-optical multilevel simultaneous amplitude; high-power states; low-power states; multilevel amplitude; nonlinear amplifying loop mirror; phase noise suppression; phase regeneration; phase-sensitive amplifier; regenerator performance; star-8QAM signal; Nonlinear optics; Optical amplifiers; Optical fiber amplifiers; Optical filters; Phase noise; Repeaters;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
