Method for encoding characters in coherent optical channel of integrated telecommunication technology

Authors

  • Віктор Іванович Тіхонов Odessa National Academy of Telecommunications. O. S. Popov Str. Blacksmith, 1, Odessa, Ukraine, 65029, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.18413

Keywords:

coherent optical channel, phase modulation, character encoding, orthogonal radio-frequency spectrum

Abstract

An improved method for encoding characters in a coherent optical channel based on the tensor phase modulation, which extends the range of phase modulation to the total phase circle, was developed. For describing the electric signal at the output of coherent photodetector with quadratic characteristics in the homodyne detection mode the tensor model of optical signals interference on the photodiode was proposed. Based on two orthogonally polarized sub-channels of a single optical carrier, a model of complex transmission channel, which provides a virtual extension of dynamic range of phase modulation, was developed. The improved method for encoding characters with the help of orthogonal harmonics, which are generated by phase modulation, was proposed. Each harmonic spectrum encodes one bit of the character in the ternary code that allows transferring special characters in order to control digital flow in the optical channel.

Author Biography

Віктор Іванович Тіхонов, Odessa National Academy of Telecommunications. O. S. Popov Str. Blacksmith, 1, Odessa, Ukraine, 65029

Candidate tehnycheskyh, Associate Professor

Department "Communications Networks"

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Published

2013-10-30

How to Cite

Тіхонов, В. І. (2013). Method for encoding characters in coherent optical channel of integrated telecommunication technology. Eastern-European Journal of Enterprise Technologies, 5(2(65), 8–12. https://doi.org/10.15587/1729-4061.2013.18413

Issue

Vol. 5 No. 2(65) (2013): Applied information technology. Industry control systems

Section

Applied Information Technology

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Copyright (c) 2014 Віктор Іванович Тіхонов

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