Junction-type photonic crystal waveguides for notch- and pass-band filtering

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dc.contributor.authorShahid, Naeem
dc.contributor.authorAmin, Muhammad
dc.contributor.authorNaureen, Shagufta
dc.contributor.authorSwillo, Marcin
dc.contributor.authorAnand, Srinivasan
dc.date.accessioned2016-05-25T06:13:42Z
dc.date.available2016-05-25T06:13:42Z
dc.date.issued2011-10-10
dc.date.updated2016-06-14T08:38:59Z
dc.description.abstractEvolution of the mode gap and the associated transmission mini stop-band (MSB) as a function of photonic crystal (PhC) waveguide width is theoretically and experimentally investigated. The change of line-defect width is identified to be the most appropriate way since it offers a wide MSB wavelength tuning range. A high transmission narrow-band filter is experimentally demonstrated in a junction-type waveguide composed of two PhC waveguides with slightly different widths. The full width at half maximum is 5.6 nm; the peak transmission is attenuated by only ~5 dB and is ~20 dB above the MSBs. Additionally, temperature tuning of the filter were also performed. The results show red-shift of the transmission peak and the MSB edges with a gradient of dλ/dT = 0.1 nm/°C. It is proposed that the transmission MSBs in such junction-type cascaded PhC waveguides can be used to obtain different types of filters.
dc.description.sponsorshipThis work was supported by the Swedish Research Council and the Swedish Strategic Research Foundation. N. Shahid and S. Naureen acknowledge Higher Education Commission, Pakistan for partially supporting their PhD studies.en_AU
dc.identifier.issn1094-4087en_AU
dc.identifier.urihttp://hdl.handle.net/1885/101715
dc.publisherOptical Society of America
dc.rights© 2011 Optical Society of America
dc.sourceOptics express
dc.subjectKeywords: High transmission; Line defects; Narrow band filter; Pass bands; Photonic crystal waveguide; Red shift; Stopband; Temperature tuning; Transmission peaks; Wavelength-tuning range; Dielectric waveguides; Laser optics; Waveguides; Photonic band gap
dc.titleJunction-type photonic crystal waveguides for notch- and pass-band filtering
dc.typeJournal article
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue21en_AU
local.bibliographicCitation.lastpage21080en_AU
local.bibliographicCitation.startpage21074en_AU
local.contributor.affiliationShahid, Naeem, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Department of Electronic Materials Engineering, The Australian National Universityen_AU
local.contributor.affiliationAmin, M, KTH-Royal Institute of Technology, Swedenen_AU
local.contributor.affiliationNaureen, Shagufta, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Department of Electronic Materials Engineering, The Australian National Universityen_AU
local.contributor.affiliationSwillo, Marcin, Royal Institute of Technology, Swedenen_AU
local.contributor.affiliationAnand, S, KTH-Royal Institute of Technology, Swedenen_AU
local.contributor.authoruidu5312347en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor020500en_AU
local.identifier.ariespublicationU3488905xPUB1064en_AU
local.identifier.citationvolume19en_AU
local.identifier.doi10.1364/OE.19.021074en_AU
local.identifier.essn1094-4087en_AU
local.identifier.scopusID2-s2.0-80053961154
local.publisher.urlhttp://www.osa.org/en-us/home/en_AU
local.type.statusPublished Versionen_AU

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