Title :
Quantum limit of direct-detection receivers: duobinary vs. IMDD
Author :
Bosco, G. ; Carena, A. ; Curri, V. ; Poggiolini, P.
Author_Institution :
Politecnico di Torino, Italy
Abstract :
We demonstrate that the quantum limit of direct-detection receivers using duobinary transmission can exceed that of IMDD by 0.91 dB and we show that a practical optical duobinary system implementation can closely approach such performance.
Keywords :
optical receivers; optical sensors; optical transmitters; quantum optics; wavelength division multiplexing; IMDD; direct-detection receivers; duobinary transmission; practical optical duobinary system implementation; quantum limit; Fiber nonlinear optics; Nonlinear optics; Optical crosstalk; Optical filters; Optical noise; Optical pulse shaping; Optical receivers; Optical sensors; Polarization; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communications Conference, 2003. OFC 2003
Print_ISBN :
1-55752-746-6
DOI :
10.1109/OFC.2003.1248427
