This article is cited in 14 papers

Fibre lasers

Design of high-bit-rate coherent communication links

V. A. Konyshev^ab, A. V. Leonov^b, O. E. Nanii^cb, A. G. Novikov^b, V. N. Treshchikov^db, R. R. Ubaydullaev<sup>b

a</sup> Institute for the History of Science and Technology named after S. I. Vavilov RAS, Moscow
^b "T8" LLC, Moscow
^c Lomonosov Moscow State University, Faculty of Physics
^d Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences

Abstract: We report an analysis of the problems encountered in the design of modern high-bit-rate coherent communication links. A phenomenological communication link model is described, which is suitable for solving applied tasks of the network design with nonlinear effects taken into account. We propose an engineering approach to the design that is based on the use of fundamental nonlinearity coefficients calculated in advance for the experimental configurations of communication links. An experimental method is presented for calculating the nonlinearity coefficient of communication links. It is shown that the proposed approach allows one to successfully meet the challenges in designing communication networks.

Keywords: optical communication, wavelength division multiplexing, coherent detection.

Received: 30.09.2016
Revised: 21.10.2016

 English version: Quantum Electronics, 2016, 46:12, 1121–1128

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