5 February 1990 Optical Heterodyne Communications With Polarization Modulation
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The heterodyne systems with polarization modulation presented so far are reviewed both from the theoreti-cal and experimental viewpoint. The probability distribution for the basic schemes is determined through a rigorous derivation. Consequently the detection sensitivity for these particular cases is shown equal to that of FSK (although with reduced bandwidth occupancy) . This fundamental equivalence is also extended in a qualitative way to all the configurations using orthogonal polarization vectors for modulation. Open problems regarding the analy-sis of advanced versions and the development of numerical simulations are also discussed in detail.
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R. Caponi, R. Caponi, R. Calvani, R. Calvani, G. Marone, G. Marone, P. Poggiolini, P. Poggiolini, } "Optical Heterodyne Communications With Polarization Modulation", Proc. SPIE 1175, Coherent Lightwave Communications: Fourth in a Series, (5 February 1990); doi: 10.1117/12.963274; https://doi.org/10.1117/12.963274

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