Efficient slow-light coupling in a photonic crystal waveguide without transition region

White, TP; Botten, LC; De Sterke, CM; Dossou, KB; McPhedran, RC

Efficient slow-light coupling in a photonic crystal waveguide without transition region

White, TP Botten, LC

De Sterke, CM Dossou, KB

McPhedran, RC

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Publication Type:: Journal Article
Citation:: Optics Letters, 2008, 33 (22), pp. 2644 - 2646
Issue Date:: 2008-11-15

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Field	Value	Language
dc.contributor.author	White, TP	en_US
dc.contributor.author	Botten, LC https://orcid.org/0000-0001-6471-6954	en_US
dc.contributor.author	De Sterke, CM	en_US
dc.contributor.author	Dossou, KB https://orcid.org/0000-0002-2342-8945	en_US
dc.contributor.author	McPhedran, RC	en_US
dc.date.issued	2008-11-15	en_US
dc.identifier.citation	Optics Letters, 2008, 33 (22), pp. 2644 - 2646	en_US
dc.identifier.issn	0146-9592	en_US
dc.identifier.uri	http://hdl.handle.net/10453/8381
dc.description.abstract	We consider the coupling into a slow mode that appears near an inflection point in the band structure of a photonic crystal waveguide. Remarkably, the coupling into this slow mode, which has a group index ng > 1000, can be essentially perfect without any transition region. We show that this efficient coupling occurs thanks to an evanescent mode in the slow medium, which has appreciable amplitude and helps satisfy the boundary conditions but does not transport any energy. © 2008 Optical Society of America.	en_US
dc.relation.ispartof	Optics Letters	en_US
dc.relation.isbasedon	10.1364/OL.33.002644	en_US
dc.rights	© 2008 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.	en_US
dc.subject.classification	Optics	en_US
dc.title	Efficient slow-light coupling in a photonic crystal waveguide without transition region	en_US
dc.type	Journal Article
utslib.citation.volume	22	en_US
utslib.citation.volume	33	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0206 Quantum Physics	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.issue	22	en_US
pubs.publication-status	Published	en_US
pubs.volume	33	en_US

Abstract:

We consider the coupling into a slow mode that appears near an inflection point in the band structure of a photonic crystal waveguide. Remarkably, the coupling into this slow mode, which has a group index ng > 1000, can be essentially perfect without any transition region. We show that this efficient coupling occurs thanks to an evanescent mode in the slow medium, which has appreciable amplitude and helps satisfy the boundary conditions but does not transport any energy. © 2008 Optical Society of America.

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http://hdl.handle.net/10453/8381