Subwavelength metastructures for dispersion engineering in planar waveguide devices

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DOIResolve DOI: http://doi.org/10.1117/12.2045727
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TypeArticle
Proceedings titleSPIE - International Society for Optical Engineering. Proceedings
ConferenceHigh Contrast Metastructures III, 4 February 2014 through 6 February 2014, San Francisco, CA
ISSN0277-786X
ISBN9780819499080
Volume8995
Article number89950U
SubjectDirectional couplers; Dispersion (waves); Indium phosphide; Interfaces (materials); Optical waveguides; Planar waveguides; Refractive index; Silicon on insulator technology; Waveguide components; Wavelength; Broadband device; Dispersion engineering; Multi-mode interference; Passive waveguides; Polarization splittings; Sub-wave length grating
AbstractHigh contrast structures with a sub-wavelength pitch, small enough to suppress diffraction, exhibit extraordinary optical properties: depending on the design they may behave as perfect mirrors, anti-reflective interfaces, homogenous materials with controllable refractive index, or strongly dispersive materials. Here we discuss on the design possibilities such structures offer in planar waveguide devices in silicon-on-insulator. We briefly review the application of sub-wavelength structures in a variety of waveguide devices. We then focus on some of the latest advances in the design ultra-compact and ultra-wideband multimode interference couplers based on dispersion engineered sub-wavelength structures.
Publication date
PublisherSPIE
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedYes
NPARC number21272701
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Record identifier80b69dba-f3c0-4751-8728-0287323be451
Record created2014-12-03
Record modified2017-04-24
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