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Perturbation theory of optical fibres with power-law core profile

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Abstract

The characteristics of graded-index optical fibres with power-law core profile and homogeneous cladding have been studied using perturbation theory. Analytical expressions are derived for the cut-off frequency, propagation constant and, in the case of leaky modes, the attenuation coefficient of an arbitrary mode on such a fibre. For the case of monomode fibres, excellent agreement is found with existing theoretical results for the propagation constant of the HE11 mode and cut-off frequency of the TE01 mode.

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Authors and Affiliations

  1. Department of Applied Mathematics, Institute of Advanced Studies, Australian National University, 2600, Canberra, A. C. T., Australia

    R. A. Sammut & A. K. Ghatak

Authors
  1. R. A. Sammut
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  2. A. K. Ghatak
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On leave from Department of Physics, IIT, New Delhi, India.

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Sammut, R.A., Ghatak, A.K. Perturbation theory of optical fibres with power-law core profile. Opt Quant Electron 10, 475–482 (1978). https://doi.org/10.1007/BF00619848

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