A normalized approach to the design of low-loss optical waveguide bends

A normalized approach for optimal design of abrupt junctions between straight and curved waveguides operating in the whispering gallery mode regime is presented. The optimization includes the widths of both the straight and the curved waveguides, the lateral offset between them, and the bending radi...

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Bibliographic Details
Published inJournal of lightwave technology Vol. 11; no. 11; pp. 1737 - 1742
Main Authors Smit, M.K., Pennings, E.C.M., Blok, H.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.11.1993
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Attenuation
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Equations
Exact sciences and technology
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical design
Optical losses
Optical waveguide theory
Optical waveguides
Propagation constant
Propagation losses
Waveguide junctions
Whispering gallery modes
Optical waveguide
Waveguide junction
Circuit design
Waveguide bend
Optimization
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Summary:A normalized approach for optimal design of abrupt junctions between straight and curved waveguides operating in the whispering gallery mode regime is presented. The optimization includes the widths of both the straight and the curved waveguides, the lateral offset between them, and the bending radius of the curved waveguide. With this approach, optimum bend design is possible from a simple set of formulas or normalized graphs. Predicted transmission losses for optimally designed junctions are well below 0.1 dB.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0733-8724
1558-2213
DOI:10.1109/50.251169