10 November 2003 Influence of surface roughness on the bandwidth of optical multimode waveguides analyzed by modal noise theory
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Abstract
Modal noise is an undesired modulation of the guided light intensity in a multimode waveguide. Applying the frequency correlation function the frequency dependence of this noise as well as the bandwidth of a multimode waveguide can be estimated. In this paper the existing model of the frequency correlation function for a waveguide with smoothed dielectric interfaces is enhanced to analyze the influence of surface roughness on the achievable bandwidth. This surface roughness is caused by the manufacturing process of the waveguides.
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Oliver Stuebbe, Thomas Bierhoff, Juergen Schrage, and Gerd Mrozynski "Influence of surface roughness on the bandwidth of optical multimode waveguides analyzed by modal noise theory", Proc. SPIE 5181, Wave Optics and Photonic Devices for Optical Information Processing II, (10 November 2003); doi: 10.1117/12.505775; https://doi.org/10.1117/12.505775
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