Volume 100, Number 4, November 2012
|Number of page(s)||4|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||04 December 2012|
Fundamental dispersion limit for spectrally bounded On-Off-Keying communication channels and its implications to Quantum Mechanics and the Paraxial Approximation
Department of Electrical and Electronics Engineering, Ariel University Center of Samaria - Ariel, Israel
Received: 27 August 2012
Accepted: 9 November 2012
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.
PACS: 42.81.-i – Fiber optics / 42.79.Sz – Optical communication systems, multiplexers, and demultiplexers / 42.81.Uv – Fiber networks
© EPLA, 2012
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