Cluster coherent potential approximation for disordered photonic crystals using photonic Wannier functions

Köhl, M; Wolff, C; Busch, K

Cluster coherent potential approximation for disordered photonic crystals using photonic Wannier functions

Köhl, M Wolff, C

Busch, K

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Publication Type:: Journal Article
Citation:: Optics Letters, 2012, 37 (4), pp. 560 - 562
Issue Date:: 2012-02-15

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Field	Value	Language
dc.contributor.author	Köhl, M	en_US
dc.contributor.author	Wolff, C https://orcid.org/0000-0002-5759-6779	en_US
dc.contributor.author	Busch, K	en_US
dc.date.issued	2012-02-15	en_US
dc.identifier.citation	Optics Letters, 2012, 37 (4), pp. 560 - 562	en_US
dc.identifier.issn	0146-9592	en_US
dc.identifier.uri	http://hdl.handle.net/10453/32397
dc.description.abstract	We present an investigation of disordered photonic crystals (PhCs) based on the combination of photonic Wannier functions with the concept of the coherent potential approximation (CPA). In particular, we provide the theoretical foundation of a real-space cluster CPA that is causal, enforces the proper symmetries of the effective medium, and includes effects of multiple scattering of the same and nearby defects, which is essential for strong defects. Based on this, we present results for the density of states of disordered PhCs for different types of disorder. Our results are thus relevant to such diverse areas as random lasing and the analysis of fabricational imperfections in PhCs. © 2012 Optical Society of America.	en_US
dc.relation.ispartof	Optics Letters	en_US
dc.relation.isbasedon	10.1364/OL.37.000560	en_US
dc.rights	© 2012 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	Cluster coherent potential approximation for disordered photonic crystals using photonic Wannier functions	en_US
dc.type	Journal Article
utslib.citation.volume	4	en_US
utslib.citation.volume	37	en_US
utslib.for	0105 Mathematical Physics	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	closed_access
pubs.issue	4	en_US
pubs.publication-status	Published	en_US
pubs.volume	37	en_US

Abstract:

We present an investigation of disordered photonic crystals (PhCs) based on the combination of photonic Wannier functions with the concept of the coherent potential approximation (CPA). In particular, we provide the theoretical foundation of a real-space cluster CPA that is causal, enforces the proper symmetries of the effective medium, and includes effects of multiple scattering of the same and nearby defects, which is essential for strong defects. Based on this, we present results for the density of states of disordered PhCs for different types of disorder. Our results are thus relevant to such diverse areas as random lasing and the analysis of fabricational imperfections in PhCs. © 2012 Optical Society of America.

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http://hdl.handle.net/10453/32397