Title :
All-Optical Regeneration of DQPSK/QPSK Signals Based on Phase-Sensitive Amplification
Author :
Zheng Zheng ; Lin An ; Zheng Li ; Xin Zhao ; Juanjuan Yan ; Xiang Liu
Author_Institution :
Sch. of Electron. & Inf. Eng., Beihang Univ., Beijing, China
Abstract :
We investigate an all-optical (D)QPSK regenerator based on phase-sensitive amplifiers. Simulations show an MZ interferometer with one PSA in each arm can provide significant phase and amplitude noise suppression under optimal pump conditions.
Keywords :
Mach-Zehnder interferometers; differential phase shift keying; optical fibre amplifiers; optical pumping; optical repeaters; phase noise; quadrature phase shift keying; DQPSK; MZ interferometer; PSA; QPSK; all-optical regeneration; amplitude noise suppression; differential phase-shift keying; differential quadrature phase-shift keying; optimal pump conditions; phase noise suppression; phase sensitive amplification; phase sensitive amplifiers; Fiber nonlinear optics; Nonlinear optics; Optical fibers; Optical interferometry; Optical mixing; Optical noise; Optical pumping; Optical scattering; Quadrature phase shift keying; Repeaters;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528228
