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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 19, Iss. 7 — Apr. 1, 1980
  • pp: 1061–1064

Aberration losses of the microoptic directional coupler

K. Thyagarajan, Aruna Rohra, and A. K. Ghatak  »View Author Affiliations


Applied Optics, Vol. 19, Issue 7, pp. 1061-1064 (1980)
http://dx.doi.org/10.1364/AO.19.001061


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Abstract

A theoretical analysis of the aberration losses of the microoptic directional coupler recently being used in optical communication systems has been carried out. We show that our results are consistent with those obtained experimentally and that the minimum insertion loss does not occur at the paraxial length (which has been used in the experiments), but at an optimum length, which is slightly less. However, the tolerance in the positioning of the output fiber is less for the optimum length than for the paraxial length, although the increased loss at the optimum length due to poor positional adjustments within the tolerance value is still considerably smaller than the minimum loss at the paraxial length.

© 1980 Optical Society of America

History
Original Manuscript: September 10, 1979
Published: April 1, 1980

Citation
K. Thyagarajan, Aruna Rohra, and A. K. Ghatak, "Aberration losses of the microoptic directional coupler," Appl. Opt. 19, 1061-1064 (1980)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-19-7-1061

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