Title :
Feasibility study of SOA-preamplified coherent reception for 112 Gb/s DP-QPSK unamplified link
Author :
Nielsen, M.L. ; Molle, L. ; Richter, Thomas ; Schubert, Colja
Author_Institution :
u2t Photonics AG, Berlin, Germany
Abstract :
The feasibility of preamplifying a 100G DP-QPSK signal before coherent reception is investigated. A sensitivity improvement of 3 dB is found. Theoretically, there is another 5 dB of margin, and it is believed that several dBs can be gained through SOA optimization.
Keywords :
digital signal processing chips; quadrature phase shift keying; reception; semiconductor optical amplifiers; 100G DP-QPSK signal; CD; DP-QPSK unamplified link; DSP; PMD; SOA optimization; SOA-preamplified coherent reception; bit rate 112 Gbit/s; chromatic dispersion; digital signal processing; fiber channel; gain 3 dB; gain 5 dB; linear distortion equalization; polarization mode dispersion; semiconductor optical amplifier; Optical fiber amplifiers; Optical fiber dispersion; Optical noise; Receivers; Semiconductor optical amplifiers; Sensitivity; 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
