Title :
150 Gbit/s real-time Nyquist pulse transmission Over 150 km SSMF enhanced by DSP with dynamic precision
Author :
Schmogrow, R. ; Meyer, Michael ; Wolf, Stefan ; Nebendahl, Bernd ; Hillerkuss, D. ; Baeuerle, B. ; Dreschmann, M. ; Meyer, Jorg ; Huebner, M. ; Becker, Jurgen ; Koos, C. ; Freude, W. ; Leuthold, Juerg
Author_Institution :
Inst. of Photonics & Quantum Electron. (IPQ), Karlsruhe Inst. of Technol. (KIT), Karlsruhe, Germany
Abstract :
A real-time optical Nyquist pulse transmitter generates 150 Gbit/s PDM-64QAM data with 12 bit/s/Hz spectral efficiency. A 64-tap FIR pulse shaper improves the BER by adjusting the DSP accuracy dynamically from 6 to 11 bit.
Keywords :
FIR filters; digital signal processing chips; optical filters; optical modulation; optical pulse shaping; optical transmitters; quadrature amplitude modulation; 64-tap FIR pulse shaper; BER; DSP; FIR filter; PDM-64QAM data; SSMF; bit rate 150 Gbit/s; finite response filter; real-time Nyquist pulse transmission; real-time optical Nyquist pulse transmitter generation; spectral efficiency; standard single mode fiber; word length 6 bit to 11 bit; Bandwidth; Bit error rate; Digital signal processing; Field programmable gate arrays; Finite impulse response filter; Optical fiber filters; Real-time systems;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
