Design for broadband on-chip isolator using stimulated Brillouin scattering in dispersion-engineered chalcogenide waveguides

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dc.contributor.author Poulton, CG
dc.contributor.author Poulton, CG
dc.contributor.author Pant, R
dc.contributor.author Pant, R
dc.contributor.author Byrnes, A
dc.contributor.author Byrnes, A
dc.contributor.author Fan, S
dc.contributor.author Fan, S
dc.contributor.author Fan, S
dc.contributor.author Steel, MJ
dc.contributor.author Steel, MJ
dc.contributor.author Eggleton, BJ
dc.contributor.author Eggleton, BJ
dc.date.accessioned 2014-04-03T01:22:18Z
dc.date.issued 2012-09-10
dc.identifier.citation Optics Express, 2012, 20 (19), pp. 21235 - 21246
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/22782
dc.description.abstract We propose a scheme for on-chip isolation in chalcogenide (As 2S3) rib waveguides, in which Stimulated Brillouin Scattering is used to induce non-reciprocal mode conversion within a multi-moded waveguide. The design exploits the idea that a chalcogenide rib buried in a silica matrix acts as waveguide for both light and sound, and can also be designed to be multi-moded for both optical and acoustic waves. The enhanced opto-acoustic coupling allows significant isolation (> 20 dB) within a chip-scale (cm-long) device (< 10 cm). We also show that the bandwidth of this device can be dramatically increased by tuning the dispersion of the waveguide to match the group velocity between optical modes: we find that 20 dB isolation can be extended over a bandwidth of 25 nm. © 2012 Optical Society of America.
dc.relation.isbasedon 10.1364/OE.20.021235
dc.title Design for broadband on-chip isolator using stimulated Brillouin scattering in dispersion-engineered chalcogenide waveguides
dc.type Journal Article
dc.parent Optics Express
dc.journal.volume 19
dc.journal.volume 20
dc.journal.number 19 en_US
dc.publocation Washington en_US
dc.identifier.startpage 21235 en_US
dc.identifier.endpage 21246 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 0205 Optical Physics
dc.personcode 102194
dc.percentage 100 en_US
dc.classification.name Optical Physics en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Strength - Materials and Technology for Energy Efficiency
utslib.copyright.status Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10
pubs.consider-herdc true
utslib.collection.history School of Mathematical Sciences (ID: 340)
utslib.collection.history Closed (ID: 3)


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