Title :
Employing a single DPLL for joint carrier phase estimation in few-mode fiber transmission
Author :
van Uden, R.G.H. ; Okonkwo, C.M. ; Sleiffer, V.A.J.M. ; Chen, Hung-Sheng ; Kuschnerov, M. ; de Waardt, H. ; Koonen, A.M.J.
Author_Institution :
COBRA Res. Inst., Eindhoven Univ. of Technol., Eindhoven, Netherlands
Abstract :
To reduce DSP complexity, both a master/slave and phase-averaged single digital PLL are investigated for a 3×112Gbit/s DP-QPSK transmission over 70km FMF with inline MM-EDFA. A 0.5dB OSNR gain at 3.8×10-3 FEC-limit is experimentally demonstrated.
Keywords :
digital phase locked loops; digital signal processing chips; erbium; optical fibre amplifiers; optical fibre communication; phase estimation; quadrature phase shift keying; DP-QPSK transmission; DSP complexity reduction; FEC limit; FMF; OSNR gain; bit rate 112 Gbit/s; digital phase-locked loop methods; digital signal processing; few-mode fiber transmission; inline MM-EDFA; joint carrier phase estimation; master-slave; phase-averaged single digital PLL; single DPLL; Complexity theory; Digital signal processing; Local oscillators; MIMO; Multiplexing; Optical noise; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
