Document Detail


Empirical relations for the propagation characteristics of diffused channel waveguides.
MedLine Citation:
PMID:  18846175     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Empirical relations for the propagation constant and the field profile parameters of integrated optical diffused channel waveguides have been developed. The field profile used is the evanescent secant-hyperbolic field, which has been shown earlier to be a very good approximation for diffused channel-waveguide modes. Least-square fitting has been used to obtain the empirical relations. The results show that the error in empirical relations for the propagation constant is within 2% for a broad range of waveguide parameters. The obtained empirical relations for the field profile and the propagation constant have been used, as an example, to calculate the coupling length of diffused channel-waveguide-based directional couplers.
Authors:
Samit Barai; Anurag Sharma
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  47     ISSN:  1539-4522     ISO Abbreviation:  Appl Opt     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-10-10     Completed Date:  2008-12-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5348-53     Citation Subset:  -    
Copyright Information:
(c) 2008 Optical Society of America
Affiliation:
Physics Department, Indian Institute of Technology Delhi, New Delhi-110016, India.
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