NDLI: Behavior of the first higher-order modes of a circular core optical fiber whose core cross-section changes into an ellipse

Content Provider	IEEE Xplore Digital Library
Author	Eguchi, M. Koshiba, M.
Copyright Year	1983
Abstract	The vector finite element method is used for investigating the behavior of a set of the first higher-order, four-fold degenerate modes (TE/sub 01/, TM/sub 01/, and two-fold degenerate HE/sub 21/ modes) of a circular core optical fiber whose core cross-section changes into an ellipse. It is found that the TE/sub 01/ mode becomes the first higher-order mode polarized along the minor axis, E/sub 21//sup y/ mode, in a dual-mode region. The remaining three modes become, respectively, the first higher-order mode polarized along the major axis, E/sub 21//sup x/ mode, and the second higher-order modes polarized along the major and minor axes, E/sub 12//sup x/ and E/sub 12//sup y/ modes, in the order of magnitude of the effective index. It is also found that the effective index of the E/sub 21//sup x/ mode is smaller than that of the E/sub 21//sup y/ mode in a small ellipticity region.<>
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	127
Ending Page	136
Page Count	10
File Size	1029735
File Format	PDF
ISSN	07338724
Volume Number	13
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fibers Optical fiber polarization Optical fiber couplers Optical fiber sensors Strain measurement Vibration measurement Magnetic cores Tellurium Finite element methods
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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