Limits for interchannel frequency separation in a soliton wavelength-division multiplexing system
C. EtrichInstitute of Solid State Theory and Theoretical Optics, Friedrich Schiller University Jena, Max-Wien-Platz 1, Jena D-07743, GermanyNicolae C. PanoiuDepartment of Physics, New York University, 4 Washington Place, New York, New York 10003Dumitru MihalacheDepartment of Theoretical Physics, Institute of Atomic Physics, P.O. Box MG-6, Bucharest, RomaniaF. LedererInstitute of Solid State Theory and Theoretical Optics, Friedrich Schiller University Jena, Max-Wien-Platz 1, Jena D-07743, Germany
2000en
ABI
Abstract
We identify the required interchannel frequency separation of the input field for a soliton wavelength-division multiplexing (WDM) system. It is found that the critical frequency separation above which WDM with solitons is feasible increases with the number of transmission channels. Moreover, it is shown that a combination of time- and wavelength-division multiplexing yields the largest transmission capacity. Finally, the structure of the soliton spectra which correspond to the frequency separation smaller than the critical frequency is discussed.
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