Optical interference in few-mode fibers: effect of temporal and spatial coherence

Petr Hlubina

doi:10.1117/12.195540

30 November 1994 Optical interference in few-mode fibers: effect of temporal and spatial coherence

Petr Hlubina

Proceedings Volume 2341, Interferometry '94: Interferometric Fiber Sensing; (1994) https://doi.org/10.1117/12.195540
Event: International Conference on Interferometry '94, 1994, Warsaw, Poland

Abstract

The role played by optical interference in determining the mutual coherence function of an optical field propagating in few-mode fiber waveguides is examined under different conditions of the source coherence. By using the classical coherence formalism and guided-mode field representation, the mutual coherence function of the optical field guided in weakly-guiding fiber waveguides excited by stationary, cross- spectrally pure source is given in terms of the exciting coefficients, the source degree of coherence and guided-mode parameters that take also into account the first-order as well as the second-order modal dispersion. In particular, the optical interference is examined by evaluating the intensity distribution at the exit face and in the far- field of few-mode fiber waveguide as well as by evaluating the modulus of spatial and temporal coherence of an optical field at its output.115

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Petr Hlubina "Optical interference in few-mode fibers: effect of temporal and spatial coherence", Proc. SPIE 2341, Interferometry '94: Interferometric Fiber Sensing, (30 November 1994); https://doi.org/10.1117/12.195540

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