Referenced Items are not available for this document.
A simple design method to achieve wide flattened bandwidths in the directional coupler-type light power splitters is presented, which is applicable both to the three- and two-guide couplers. Couplers with variable differences along the guide axis in the propagation constant between the waveguides are investigated, and the optimum profiles of the variation of the propagation-constant difference are designed for desired given wavelength responses. Designed examples for the three- and two-port splitting operations in the three-guide coupler and for two-port splitting operations in the two-guide coupler are demonstrated, in which the detuning of the propagation constant is assumed to be given by the electrooptic effect in the LiNbO3 used as the substrate
Published in:
Lightwave Technology, Journal of
(Volume:19
,
Issue:
11
)
Date of Publication: Nov 2001
- Page(s):
- 1705 - 1715
- ISSN :
- 0733-8724
- INSPEC Accession Number:
- 7109132
- Digital Object Identifier :
- 10.1109/50.964071
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Nov 2001
- Sponsored by :
- IEEE Aerospace and Electronic Systems Society
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