Title :
Bit-rate-tunable regeneration of 30-Gbaud QPSK data using phase quantization and amplitude saturation
Author :
Mohajerin-Ariaei, A. ; Akasaka, Y. ; Yang, J.-Y. ; Chitgarha, M.R. ; Ziyadi, M. ; Cao, Yijia ; Almaiman, A. ; Touch, J.D. ; Tur, Moshe ; Sekiya, Motoyoshi ; Takasaka, Shigehiro ; Sugizaki, Ryuichi ; Langrock, C. ; Fejer, M.M. ; Willner, Alan E.
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
We propose an all-optical regeneration consisting of a phase quantizer based on delay and summation of higher harmonics and an optical amplitude squeezer. We experimentally demonstrate phase noise reduction of 40% and OSNR-gain of 3 dB at BER 10-3 for 30-Gbaud QPSK signals.
Keywords :
error statistics; optical modulation; optical noise; optical repeaters; phase noise; quadrature phase shift keying; quantisation (signal); OSNR-gain; QPSK data signal; amplitude saturation; bit-rate-tunable all-optical regeneration; gain 3 dB; optical amplitude squeezer; phase noise reduction; phase quantizer; Optical noise; Optical saturation; Phase noise; Phase shift keying; Power harmonic filters; Repeaters;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964135
