Normalized parameters for the guiding properties of TM modes in a thin-film waveguide
Normalized parameters for the guiding properties of TM modes in a thin-film waveguide
By redefining the normalized parameters for the TM modes of a planar optical waveguide, it is shown that expressions for the guiding properties of the waveguide for the TM modes can be considerably simplified. These new definitions yield a form for the characteristic equation of TM modes that is formally identical to the TE case. In addition, examples are given that show that expressions for guiding properties such as dispersion and effective thickness for TM modes now differ only by the addition of reduction factors from the TE case. These reduction factors are obtained in a logical manner, and the physical reasons for their existence can be clearly seen.
847-850
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Lit, J.W.Y.
4239c549-f64c-414d-bf84-f96762b03e3a
1987
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Lit, J.W.Y.
4239c549-f64c-414d-bf84-f96762b03e3a
Hewak, D.W. and Lit, J.W.Y.
(1987)
Normalized parameters for the guiding properties of TM modes in a thin-film waveguide.
Journal of the Optical Society of America A, 4 (5), .
(doi:10.1364/JOSAA.4.000847).
Abstract
By redefining the normalized parameters for the TM modes of a planar optical waveguide, it is shown that expressions for the guiding properties of the waveguide for the TM modes can be considerably simplified. These new definitions yield a form for the characteristic equation of TM modes that is formally identical to the TE case. In addition, examples are given that show that expressions for guiding properties such as dispersion and effective thickness for TM modes now differ only by the addition of reduction factors from the TE case. These reduction factors are obtained in a logical manner, and the physical reasons for their existence can be clearly seen.
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Published date: 1987
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Local EPrints ID: 440828
URI: http://eprints.soton.ac.uk/id/eprint/440828
ISSN: 1084-7529
PURE UUID: 02ebf7d8-2863-4e2d-abf0-dc7c6201cb53
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Date deposited: 20 May 2020 16:31
Last modified: 16 Mar 2024 07:57
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Author:
J.W.Y. Lit
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