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The power coupling coefficients between cores of waveguide systems with random geometrical imperfections along the fiber axis are determined by comparing numerical solutions of the coupled mode equations with numerical solutions of the coupled power equations and the dependence of the power coupling coefficient on the correlation length with respect to the propagation constants of modes is clarified. When the correlation length *D* is small the power coupling coefficient is proportional to κ ^{2} *D* where κ is the mean mode coupling coefficient and is independent of the fluctuation of the propagation constants. For sufficiently large *D* the power coupling coefficient *d*_{c} decreases in proportion to *D*^{-1} with increasing *D* and when *D* *d*_{c}

- Publication
- IEICE TRANSACTIONS on Electronics Vol.E83-C No.12 pp.1849-1854

- Publication Date
- 2000/12/25

- Publicized

- Online ISSN

- DOI

- Type of Manuscript
- Special Section PAPER (Special Issue on Problems of Random Scattering and Electromagnetic Wave Sensing)

- Category
- Rough Surface Scattering

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Akira KOMIYAMA, Masayuki TOKIMOTO, "Propagation of Light in Waveguide Systems with Random Imperfections" in IEICE TRANSACTIONS on Electronics,
vol. E83-C, no. 12, pp. 1849-1854, December 2000, doi: .

Abstract: The power coupling coefficients between cores of waveguide systems with random geometrical imperfections along the fiber axis are determined by comparing numerical solutions of the coupled mode equations with numerical solutions of the coupled power equations and the dependence of the power coupling coefficient on the correlation length with respect to the propagation constants of modes is clarified. When the correlation length *D* is small the power coupling coefficient is proportional to κ ^{2} *D* where κ is the mean mode coupling coefficient and is independent of the fluctuation of the propagation constants. For sufficiently large *D* the power coupling coefficient *d*_{c} decreases in proportion to *D*^{-1} with increasing *D* and when *D* *d*_{c}

URL: https://global.ieice.org/en_transactions/electronics/10.1587/e83-c_12_1849/_p

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@ARTICLE{e83-c_12_1849,

author={Akira KOMIYAMA, Masayuki TOKIMOTO, },

journal={IEICE TRANSACTIONS on Electronics},

title={Propagation of Light in Waveguide Systems with Random Imperfections},

year={2000},

volume={E83-C},

number={12},

pages={1849-1854},

abstract={The power coupling coefficients between cores of waveguide systems with random geometrical imperfections along the fiber axis are determined by comparing numerical solutions of the coupled mode equations with numerical solutions of the coupled power equations and the dependence of the power coupling coefficient on the correlation length with respect to the propagation constants of modes is clarified. When the correlation length *D* is small the power coupling coefficient is proportional to κ ^{2} *D* where κ is the mean mode coupling coefficient and is independent of the fluctuation of the propagation constants. For sufficiently large *D* the power coupling coefficient *d*_{c} decreases in proportion to *D*^{-1} with increasing *D* and when *D* *d*_{c}

keywords={},

doi={},

ISSN={},

month={December},}

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TY - JOUR

TI - Propagation of Light in Waveguide Systems with Random Imperfections

T2 - IEICE TRANSACTIONS on Electronics

SP - 1849

EP - 1854

AU - Akira KOMIYAMA

AU - Masayuki TOKIMOTO

PY - 2000

DO -

JO - IEICE TRANSACTIONS on Electronics

SN -

VL - E83-C

IS - 12

JA - IEICE TRANSACTIONS on Electronics

Y1 - December 2000

AB - The power coupling coefficients between cores of waveguide systems with random geometrical imperfections along the fiber axis are determined by comparing numerical solutions of the coupled mode equations with numerical solutions of the coupled power equations and the dependence of the power coupling coefficient on the correlation length with respect to the propagation constants of modes is clarified. When the correlation length *D* is small the power coupling coefficient is proportional to κ ^{2} *D* where κ is the mean mode coupling coefficient and is independent of the fluctuation of the propagation constants. For sufficiently large *D* the power coupling coefficient *d*_{c} decreases in proportion to *D*^{-1} with increasing *D* and when *D* *d*_{c}

ER -