Engineering the optical properties of silicon using sub-wavelength structures

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DOIResolve DOI: http://doi.org/10.1109/Group4.2013.6644476
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TypeArticle
Proceedings titleIEEE International Conference on Group IV Photonics GFP
Conference2013 IEEE 10th International Conference on Group IV Photonics, GFP 2013, 28 August 2013 through 30 August 2013, Seoul
ISSN1949-2081
ISBN9781467358040
Article number6644476
Pages3334; # of pages: 2
SubjectDegree of freedom; Diffraction effects; Dispersion engineering; Multimode interference couplers; Sub-wave length grating; Sub-wavelength structures; Ultra-broadband; Waveguiding structures; Dispersion (waves); Dispersions; Photonics; Silicon; Refractive index
AbstractIn most integrated optics platforms, including silicon-on-insulator, only minor modifications in refractive index are possible. The geometry of the waveguiding structure is thus the only degree of freedom for the design of devices. The use of sub-wavelength gratings (SWGs), i.e. structures that are small enough to suppress diffraction effects, enables local engineering of both refractive index and dispersion, thereby opening new possibilities for device design. Here we present some of the recent advances in refractive index and dispersion engineering using silicon SWGs, focussing on ultra-broadband and compact multimode interference couplers and directional couplers. © 2013 IEEE.
Publication date
LanguageEnglish
AffiliationNRC Institute for Microstructural Sciences; National Research Council Canada
Peer reviewedYes
NPARC number21270945
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Record identifier7f2c0f52-495f-4a3c-8c5e-041b6f8f4f5e
Record created2014-02-18
Record modified2016-05-09
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