Document Detail


Design and analysis of 2 x 2 half-wave waveguide couplers.
MedLine Citation:
PMID:  19724308     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Conventional couplers including the 2 x 2 directional coupler and the self-imaging multimode interference coupler always produce a 90 degrees coupling phase to yield complementary power transfer functions when the relative phase of the two input fields changes. For applications in coupled-cavity lasers, a 2 x 2 half-wave optical coupler with a 180 degrees coupling phase is required in order to produce synchronous output power for achieving high single-mode selectivity. We present the designs and optimization of 2 x 2 half-wave couplers, including a three-waveguide directional coupler and a nonimaging multimode interference coupler.
Authors:
Xufeng Lin; Dekun Liu; Jian-Jun He
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  48     ISSN:  1539-4522     ISO Abbreviation:  Appl Opt     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-09-02     Completed Date:  2009-11-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  F19-24     Citation Subset:  -    
Affiliation:
Centre for Integrated Optoelectronics, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, China 310027. linxufeng@coer.zju.edu.cn
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