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Applied Optics

Applied Optics


  • Vol. 24, Iss. 7 — Apr. 1, 1985
  • pp: 945–950

Wavelength-dependent transmission of monomode optical fiber tapers

Daniel T. Cassidy, Derwyn C. Johnson, and Kenneth O. Hill  »View Author Affiliations

Applied Optics, Vol. 24, Issue 7, pp. 945-950 (1985)

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The transmission of light as a function of wavelength through biconical tapers formed in sections of monomode and low-mode number optical fibers is considered. It is found that in the monomode propagation regime the transmission varies sinusoidally with wavelength with a 50% peak loss and a 50-nm period, for tapers typical of those used in the manufacture of fused-biconical directional couplers. The observed dependence of transmission on wavelength can be understood using a coupled-mode formalism and leads to new insights into the operation of monomode fused-biconical directional couplers.

© 1985 Optical Society of America

Original Manuscript: December 6, 1984
Published: April 1, 1985

Daniel T. Cassidy, Derwyn C. Johnson, and Kenneth O. Hill, "Wavelength-dependent transmission of monomode optical fiber tapers," Appl. Opt. 24, 945-950 (1985)

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  1. R. G. Lamont, K. O. Hill, D. C. Johnson, “Tuned-Port Biconical Taper Fiber Splitters: Fabrication from Dissimilar Low Mode-Number Fibers,” Opt. Lett. 10, 46 (1985). [CrossRef] [PubMed]
  2. A. W. Snyder, “Coupling of Modes on a Tapered Dielectric Cylinder,” IEEE Trans. Microwave Theory Tech. MTT-18, 383 (1970). [CrossRef]
  3. J. Bures, S. Lacroix, Jean Lapierre, “Analyse d'un Coupleur Bidirectionnel à Fibres Optiques Monomodes Fusionnées,” Appl. Opt. 22, 1918 (1983). [CrossRef] [PubMed]
  4. R. G. Lamont, Communications Research Centre; private communication.
  5. H. Kuwaharo, M. Sasaki, N. Tokoyo, “Efficient Coupling from Semiconductor Lasers into Single-Mode Fibers with Tapered Hemispherical Ends,” Appl. Opt. 19, 2578 (1980). [CrossRef]
  6. A. W. Snyder, J. D. Love, Optical Waveguide Theory (Chapman & Hall, New York, 1983), Chap. 19, p.407. [CrossRef]
  7. Ref. 6, p. 341.
  8. A. Yariv, P. Yeh, Optical Waves in Crystals (Wiley, New York, 1984), pp. 177–187.

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