Mode Coupling
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Mode Coupling

In the term mode coupling, as used in physics and electrical engineering, the word "mode" refers to eigenmodes of an idealized, "unperturbed", linear system. The superposition principle says that eigenmodes of linear systems are independent of each other: it is possible to excite or to annihilate a specific mode without influencing any other mode; there is no dissipation. In most real systems, however, there is at least some perturbation that causes energy transfer between different modes. This perturbation, interpreted as an interaction between the modes, is what is called "mode coupling".

Important applications are:

See also


  1. ^ Zhao, Jianhui; Liu, Xiaoming (1 May 2006). "Fiber acousto-optic mode coupling between the higher-order modes with adjacent azimuthal numbers". Optics Letters. The Optical Society. 31 (11): 1609. doi:10.1364/ol.31.001609. ISSN 0146-9592.
  2. ^ Thomas, Jens; Jovanovic, Nemanja; Becker, Ria G.; Marshall, Graham D.; Withford, Michael J.; Tünnermann, Andreas; Nolte, Stefan; Steel, M. J. (22 December 2010). "Cladding mode coupling in highly localized fiber Bragg gratings: modal properties and transmission spectra". Optics Express. The Optical Society. 19 (1): 325. doi:10.1364/oe.19.000325. ISSN 1094-4087.
  3. ^ See e.g. R. Paschotta, Mode coupling, in the online Encyclopedia of Laser Physics and Technology,
  4. ^ See e.g. W. Götze, Complex Dynamics of glass forming liquids. A mode-coupling theory, Oxford: Oxford University Press (2009).

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