π/N Expansion to the LP01 Mode of a Step-Index N-Sided Regular-Polygonal-Core Fiber

Herein, we analytically derive the effective index and field distribution of the LP01 mode of a step-index N-sided regular-polygonal-core fiber. To do this, we utilize the lowest-order non-anomalous approximation of the π/N expansion. These properties are also calculated numerically and the results...

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Veröffentlicht in:	IEICE Transactions on Electronics 2020/01/01, Vol.E103.C(1), pp.3-10
1. Verfasser:	KITSUNEZAKI, Naofumi
Format:	Artikel
Sprache:	eng
Schlagworte:	N-fold rotational symmetry non-anomalous approximation of π/N expansion parity symmetry step-index N-sided regular-polygonal-core fiber
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Herein, we analytically derive the effective index and field distribution of the LP01 mode of a step-index N-sided regular-polygonal-core fiber. To do this, we utilize the lowest-order non-anomalous approximation of the π/N expansion. These properties are also calculated numerically and the results are compared the with approximations.
ISSN:	0916-8524 1745-1353
DOI:	10.1587/transele.2019REP0001