Title :
QAM phase-regeneration in a phase-sensitive fiber-amplifier
Author :
Richter, Thomas ; Elschner, Robert ; Schubert, Colja
Author_Institution :
Heinrich Hertz Inst., Fraunhofer Inst. for Telecommun., Berlin, Germany
Abstract :
We demonstrate the use of a four-level phase-regenerator for QAM regeneration. The regenerator is based on a black-box fiber-based phase-sensitive amplifier. General conclusions are derived from investigations with 25-GBd star-8QAM.
Keywords :
optical fibre amplifiers; optical repeaters; quadrature amplitude modulation; QAM phase-regeneration; black-box fiber-based phase-sensitive amplifier; four-level phase-regenerator; star-8QAM;
Conference_Titel :
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on
Conference_Location :
London
Electronic_ISBN :
978-1-84919-759-5
DOI :
10.1049/cp.2013.1436