A quasi-mode interpretation of radiation modes in long-period fiber gratings
A quasi-mode interpretation of radiation modes in long-period fiber gratings
We have found an efficient approximation based on a quasi-mode method to analyze radiation-mode coupling in long-period fiber grating devices, and which was deduced by consideration of the best confinement condition of radiation-mode spectra inside an optical fiber. A single-mode representation via the quasi-mode method enables one to solve the radiation-mode-coupling problems analytically, which is the advantage of the method. The numerical accuracy is found to quite acceptable in comparison with the conventional method of the Green-function representation of radiation-modes via numerical computation of the integral. Utilizing the proposed method, we present several numerical examples for radiation-mode coupling problems both in uniform and non-uniform LPFGs.
1135-1142
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Lee, B.
ebdd36ef-1a79-40af-b33a-8bd06a252e19
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
2003
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Lee, B.
ebdd36ef-1a79-40af-b33a-8bd06a252e19
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Jeong, Y., Lee, B., Nilsson, J. and Richardson, D.J.
(2003)
A quasi-mode interpretation of radiation modes in long-period fiber gratings.
IEEE Journal of Quantum Electronics, 39 (9), .
(doi:10.1109/JQE.2003.816087).
Abstract
We have found an efficient approximation based on a quasi-mode method to analyze radiation-mode coupling in long-period fiber grating devices, and which was deduced by consideration of the best confinement condition of radiation-mode spectra inside an optical fiber. A single-mode representation via the quasi-mode method enables one to solve the radiation-mode-coupling problems analytically, which is the advantage of the method. The numerical accuracy is found to quite acceptable in comparison with the conventional method of the Green-function representation of radiation-modes via numerical computation of the integral. Utilizing the proposed method, we present several numerical examples for radiation-mode coupling problems both in uniform and non-uniform LPFGs.
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Published date: 2003
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 13859
URI: http://eprints.soton.ac.uk/id/eprint/13859
ISSN: 0018-9197
PURE UUID: 7c775bf0-8c4b-45de-ac44-ac0953a046e0
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Date deposited: 22 Dec 2004
Last modified: 16 Mar 2024 03:01
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Author:
Y. Jeong
Author:
B. Lee
Author:
J. Nilsson
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