Title :
Format conversion from QPSK to BPSK using wavelength-shift-free FWM and interference
Author :
Ando, Ryosuke ; Kishikawa, Hiroki ; Goto, Nasato ; Yanagiya, Shin-ichiro
Author_Institution :
Dept. of Opt. Sci. & Technol., Univ. of Tokushima, Tokushima, Japan
Abstract :
Conversion between multi-valued modulation formats is one of key processing for flexible networking. We propose QPSK to BPSK conversion using FWM in HNLF or SOA and interference. The proposed system was verified by numerical simulation.
Keywords :
light interference; multiwave mixing; optical fibre communication; optical modulation; quadrature phase shift keying; semiconductor optical amplifiers; BPSK; FWM; HNLF; QPSK; SOA; flexible networking; format conversion; four wave mixing; highly nonlinear fiber; interference; multivalued modulation formats; Binary phase shift keying; Optical amplifiers; Optical interferometry; Optical mixing; Optical pumping; Optical receivers;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
