Abstract

Measurements of characteristics and a theoretical ray-optics analysis were made on directional couplers prepared by connecting a pair of lapped multimode fibers. Various measured characteristics such as branching ratio, excess insertion loss, and mode conversion agreed fairly well with calculated values. From these results a way was found to lessen the excess insertion loss and the branching ratio.

© 1980 Optical Society of America

Planar star coupler for multimode fibers

M. Stockmann and H.-H. Witte
Appl. Opt. 19(15) 2584-2588 (1980)

Polymer optical circuits for multimode optical fiber systems

Takashi Kurokawa, Norio Takato, and Yuzo Katayama
Appl. Opt. 19(18) 3124-3129 (1980)

Effect of external index of refraction on multimode fiber couplers

George Z. Wang, Kent A. Murphy, and Richard O. Claus
Appl. Opt. 34(36) 8289-8293 (1995)

Aberration losses of the microoptic directional coupler

K. Thyagarajan, Aruna Rohra, and A. K. Ghatak
Appl. Opt. 19(2) 266-269 (1980)

Aberration losses of the microoptic directional coupler

K. Thyagarajan, Aruna Rohra, and A. K. Ghatak
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