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Proceedings Paper

Novel technique for the measurement of coupling length in directional couplers
Author(s): Hsing-Chine Cheng; Ramu V. Ramaswamy
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Paper Abstract

A novel technique to determine the coupling length as a function of wavelength in directional couplers, especially in the case of weakly coupled, symmetrical directional couplers, is described. The technique is illustrated by using Ag+ - Na+ ion-exchanged directional couplers in BK7 glass. Application of this technique to asymmetrical directional couplers is also addressed.

Paper Details

Date Published: 1 September 1991
PDF: 7 pages
Proc. SPIE 1474, Optical Technology for Signal Processing Systems, (1 September 1991); doi: 10.1117/12.44933
Show Author Affiliations
Hsing-Chine Cheng, Univ. of Florida (United States)
Ramu V. Ramaswamy, Univ. of Florida (United States)


Published in SPIE Proceedings Vol. 1474:
Optical Technology for Signal Processing Systems
Mark P. Bendett, Editor(s)

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