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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 16, Iss. 4 — Apr. 1, 1977
  • pp: 1033–1037

Optical waveguide intersections without light leak

Takashi Kurokawa and Shigeru Oikawa  »View Author Affiliations


Applied Optics, Vol. 16, Issue 4, pp. 1033-1037 (1977)
http://dx.doi.org/10.1364/AO.16.001033


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Abstract

An optical waveguide intersection on the same level, inducing no light leak, with higher refractive index in the intersecting point than in the guides, is proposed. This intersection is formed easily by the photopolymerization method, introducing double exposure at the intersecting point (typical guide width, ~0.1 mm; Δn 0.5% in the guide; and ~1% in the intersection). Very low losses were observed in the intersections, while large leak losses were observed in ordinary intersections, where the refractive index was equal to that of the guides. Observed losses were in good agreement with calculated ones.

© 1977 Optical Society of America

History
Original Manuscript: July 16, 1976
Published: April 1, 1977

Citation
Takashi Kurokawa and Shigeru Oikawa, "Optical waveguide intersections without light leak," Appl. Opt. 16, 1033-1037 (1977)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-16-4-1033


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References

  1. H. W. Weber, R. Ulrich, E. A. Chandross, W. J. Tomlinson, Phys. Lett. 20, 143 (1972).
  2. E. A. Chandross, C. A. Pryde, W. J. Tomlinson, H. P. Weber, Appl. Phys. Lett. 24, 72 (1974). [CrossRef]
  3. P. K. Tien, Appl. Opt. 10, 2395 (1971). [CrossRef] [PubMed]
  4. M. Born, E. Wolf, Principles of Optics, (Pergamon, Oxford, 1970), pp. 36–47.
  5. T. Kurokawa, in The 21st Annual Meeting of the Japan Society of Applied Physics, Saitama (March1974).

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