Title :
Real-time implementation of digital coherent detection
Author :
Noé, R. ; Ruckert, Ulrich ; Hoffmann, S. ; Peveling, R. ; Pfau, T. ; El-Darawy, M. ; Al-Bermani, A.
Author_Institution :
EIM-E, Univ. of Paderborn, Paderborn, Germany
Abstract :
The implementation of algorithms for coherent detection of advanced modulation formats imposes constraints. A hardware-efficient phase estimator is presented, and measurement results with a CMOS receiver chip designed for 40 Gb/s digital coherent polarization-multiplexed QPSK.
Keywords :
light polarisation; light transmission; optical receivers; phase estimation; quadrature phase shift keying; CMOS receiver chip; advanced modulation formats; digital coherent detection; digital coherent polarization-multiplexed QPSK; phase estimator; real-time implementation; Clocks; Fiber nonlinear optics; Finite impulse response filter; IIR filters; Nonlinear optics; Optical receivers; Phase estimation; Phase noise; Quadrature phase shift keying; Signal processing algorithms;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
