Title :
Coherent detection for optical duobinary communication systems
Author :
Lyubomirsky, Ilya
Author_Institution :
Dept. of Electr. Eng., Univ. of California, Riverside, CA, USA
fDate :
4/1/2006 12:00:00 AM
Abstract :
We propose and analyze coherent detection schemes for optical duobinary modulation. Thus, new quantum limits are established at 15, 30, and 31 photons/bit for coherent duobinary based on homodyne, heterodyne synchronous, and heterodyne asynchronous detection, respectively.
Keywords :
heterodyne detection; homodyne detection; light coherence; optical fibre communication; optical modulation; coherent detection; heterodyne asynchronous detection; heterodyne synchronous detection; homodyne detection; optical duobinary communication; quantum limits; Local oscillators; Optical detectors; Optical filters; Optical mixing; Optical modulation; Optical pulse shaping; Optical receivers; Optical sensors; Optical signal processing; Optical transmitters; Coherent detection; duobinary modulation; quantum limit;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2006.872334
