Recirculation-enhanced switching in photonic crystal Mach-Zehnder interferometers

White, TP; De Sterke, CM; McPhedran, RC; Huang, T; Botten, LC

Recirculation-enhanced switching in photonic crystal Mach-Zehnder interferometers

White, TP De Sterke, CM McPhedran, RC Huang, T Botten, LC

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Publication Type:: Journal Article
Citation:: Optics Express, 2004, 12 (13), pp. 3035 - 3045
Issue Date:: 2004-01-01

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Field	Value	Language
dc.contributor.author	White, TP	en_US
dc.contributor.author	De Sterke, CM	en_US
dc.contributor.author	McPhedran, RC	en_US
dc.contributor.author	Huang, T	en_US
dc.contributor.author	Botten, LC https://orcid.org/0000-0001-6471-6954	en_US
dc.date.issued	2004-01-01	en_US
dc.identifier.citation	Optics Express, 2004, 12 (13), pp. 3035 - 3045	en_US
dc.identifier.issn	1094-4087	en_US
dc.identifier.uri	http://hdl.handle.net/10453/476
dc.description.abstract	We show that Mach-Zehnder interferometers (MZIs) formed from waveguides in a perfectly reflecting cladding can display manifestly different transmission characteristics to conventional MZIs due to mode recirculation and resonant reflection. Understanding and exploiting this behavior, rather than avoiding it, may lead to improved performance of photonic crystal (PC) based MZIs, for which cladding radiation is forbidden for frequencies within a photonic bandgap. Mode recirculation in such devices can result in a significantly sharper switching response than in conventional interferometers. A simple and accurate analytic model is presented and we propose specific PC structures with both high and low refractive index backgrounds that display these properties. © 2004 Optical Society of America.	en_US
dc.relation.ispartof	Optics Express	en_US
dc.relation.isbasedon	10.1364/OPEX.12.003035	en_US
dc.rights	© 2004 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	Recirculation-enhanced switching in photonic crystal Mach-Zehnder interferometers	en_US
dc.type	Journal Article
utslib.citation.volume	13	en_US
utslib.citation.volume	12	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	1005 Communications Technologies	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	13	en_US
pubs.publication-status	Published	en_US
pubs.volume	12	en_US

Abstract:

We show that Mach-Zehnder interferometers (MZIs) formed from waveguides in a perfectly reflecting cladding can display manifestly different transmission characteristics to conventional MZIs due to mode recirculation and resonant reflection. Understanding and exploiting this behavior, rather than avoiding it, may lead to improved performance of photonic crystal (PC) based MZIs, for which cladding radiation is forbidden for frequencies within a photonic bandgap. Mode recirculation in such devices can result in a significantly sharper switching response than in conventional interferometers. A simple and accurate analytic model is presented and we propose specific PC structures with both high and low refractive index backgrounds that display these properties. © 2004 Optical Society of America.

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http://hdl.handle.net/10453/476