Fundamental dispersion limit for spectrally bounded On-Off-Keying communication channels and its implications to Quantum Mechanics and the Paraxial Approximation

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Abstract

The fundamental dispersion limit for an optical communication based the On-Off-Keying format is calculated. It is shown both analytically and with numerical simulations that an OOK optical sequence, which passes through a spectrally narrow non-compensated dispersive channel cannot exceed the limit β 2 B2L<π - 1 , where β 2 , L and B are the dispersion coefficient, the fiber's length and the bit rate, respectively. To the best of our knowledge, this is the first time that such a fundamental limit was formulated. In the literature, only approximation evaluations were developed yielding much smaller limiting values. Since this fundamental limit is a manifestation of the Schrödinger equation, a correspondingly similar limit emerges in Quantum Mechanics and in the optical Paraxial Approximation.

Original languageEnglish
Article number44004
JournalEurophysics Letters
Volume100
Issue number4
DOIs
StatePublished - Nov 2012

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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