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A novel directional coupler utilizing a left-handed material
KTH, Superseded Departments, Electromagnetic Theory.ORCID iD: 0000-0002-3401-1125
2004 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 16, no 1, 171-173 p.Article in journal (Refereed) Published
Abstract [en]

A novel directional coupler with a left-handed material (LHM) layer between two single-mode (SM) waveguides of usual material is introduced. The coupling system is analyzed with the supermode theory. It is shown that such an LHM layer of finite length can shorten significantly the coupling length for the two SM waveguides. An LHM layer with two slowly tapered ends is used to avoid the reflection loss at the ends.

Place, publisher, year, edition, pages
2004. Vol. 16, no 1, 171-173 p.
Keyword [en]
directional couplers, left-handed material (LHM), optical planar waveguide couplers, supermode theory, refraction
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-23077DOI: 10.1109/lpt.2003.818950ISI: 000187885800057Scopus ID: 2-s2.0-0346707337OAI: oai:DiVA.org:kth-23077DiVA: diva2:341775
Note
QC 20100525 QC 20111101Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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He, Sailing

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