Title :
All-Optical Multilevel Amplitude and Phase Regeneration
Author :
Roethlingshoefer, T. ; Richter, Thomas ; Onishchukov, G. ; Schubert, Colja ; Schmauss, Bernhard ; Leuchs, Gerd
Author_Institution :
Inst. of Opt., Inf. & Photonics, Univ. of Erlangen-Nuremberg, Erlangen, Germany
Abstract :
Using a cascade of an amplitude and a phase regenerator, multilevel signal processing is demonstrated experimentally for a 25-GBd star-8QAM. Improvements in the signal quality by up to 2 dB are obtained.
Keywords :
amplitude shift keying; optical communication equipment; optical information processing; phase shift keying; quadrature amplitude modulation; all-optical multilevel amplitude all-optical multilevel; all-optical multilevel phase regeneration; multilevel signal processing; optical signal quality; quadrature amplitude modulation; Broadband amplifiers; Nonlinear optics; Optical interferometry; Phase noise; Repeaters; All-optical signal processing; NOLM; phase-sensitive amplification; signal regeneration;
Conference_Titel :
Photonics Society Summer Topical Meeting Series, 2014 IEEE
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4799-2766-1
DOI :
10.1109/SUM.2014.53
