Title :
Spectrally efficient and high extinction ratio DPSK/ASK orthogonal modulation schemes based on injection locking limiting amplifiers
Author :
Fragkos, Alexandros ; Bogris, Adonis ; Syvridis, Dimitris
Author_Institution :
Dept. of Inf. & Telecommun., Univ. of Athens, Illisia, Greece
Abstract :
We experimentally demonstrate a novel receiver architecture based on injection locking for demodulating DPSK/ASK modulated signal with ASK extinction ratio exceeding 8 dB. The receiver exploits the limiting amplification of injection locking and enhances the performance of the DPSK stream.
Keywords :
amplitude shift keying; differential phase shift keying; injection locked amplifiers; laser mode locking; optical receivers; semiconductor optical amplifiers; ASK extinction ratio; ASK orthogonal modulation scheme; DPSK orthogonal modulation scheme; amplitude shift keying; differential phase shift keying; injection locking limiting amplifiers; receiver architecture; Amplitude shift keying; Differential phase shift keying; Erbium-doped fiber amplifiers; Optical attenuators; Receivers; Semiconductor lasers;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
