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Proceedings Paper

Adaptive SLM-based compensation of intermodal interference in few-mode optical fibers
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Paper Abstract

Transmission of optical beams with phase front vorticity through relevant distances in optical fibers poses a problem of time-dependent intermodal interference with random complex coefficients. In this paper we propose a method for compensation of interference between LP-modes, propagating through the optical fiber. To implement optical-domain modal filtering, reconfigurable diffractive optical element matched with particular modes is considered. Such an element may be encoded as phase-only hologram by means of SLM. With this approach modes can be separated spatially in the compensating diffractive element far field and handled independently with corresponding complex coefficients. Efficiency of the proposed method is confirmed by computer simulation results.

Paper Details

Date Published: 19 September 2014
PDF: 14 pages
Proc. SPIE 9216, Optics and Photonics for Information Processing VIII, 92160I (19 September 2014); doi: 10.1117/12.2061427
Show Author Affiliations
Vladimir S. Lyubopytov, Ufa State Aviation Technical Univ. (Russian Federation)
Valeriy Kh. Bagmanov, Ufa State Aviation Technical Univ. (Russian Federation)
Albert Kh. Sultanov, Ufa State Aviation Technical Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 9216:
Optics and Photonics for Information Processing VIII
Abdul A. S. Awwal; Khan M. Iftekharuddin; Mohammad A. Matin; Andrés Márquez, Editor(s)

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