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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 24 — Dec. 15, 1985
  • pp: 4408–4413

Optimum length of multimode optical branching waveguide for reducing its mode dependence

Y. Kokubun, T. Fuse, and K. Iga  »View Author Affiliations


Applied Optics, Vol. 24, Issue 24, pp. 4408-4413 (1985)
http://dx.doi.org/10.1364/AO.24.004408


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Abstract

In this paper, we theoretically analyze the loss and branching ratio of multimode optical branching waveguides by using a ray tracing method to obtain less mode-dependent branching characteristics. First, a 2 × 2 optical mixing and branching waveguide with a step-index profile are considered. It is found that an optimum length to achieve a low loss and stable branching ratio exists. Second, a waveguide with mode scrambler is investigated. By sacrificing some amount of insertion loss, the mode dependence can be minimized.

© 1985 Optical Society of America

History
Original Manuscript: February 2, 1985
Published: December 15, 1985

Citation
Y. Kokubun, T. Fuse, and K. Iga, "Optimum length of multimode optical branching waveguide for reducing its mode dependence," Appl. Opt. 24, 4408-4413 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-24-4408

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