Subwavelength metastructures for dispersion engineering in planar waveguide devices

Robert Halir; Alejandro Ortega-Moñux; Pavel Cheben; Alejandro Maese-Novo; Diego Pérez-Galacho; Carlos Alonso-Ramos; Íñigo Molina-Fernández; J. Gonzalo Wangüemert-Pérez; Jens H. Schmid; Dan-Xia Xu; Siegfried Janz

doi:10.1117/12.2045727

19 February 2014 Subwavelength metastructures for dispersion engineering in planar waveguide devices

Robert Halir, Alejandro Ortega-Moñux, Pavel Cheben, Alejandro Maese-Novo, Diego Pérez-Galacho, Carlos Alonso-Ramos, Íñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez, Jens H. Schmid, Dan-Xia Xu, Siegfried Janz

Author Affiliations +

Proceedings Volume 8995, High Contrast Metastructures III; 89950U (2014) https://doi.org/10.1117/12.2045727
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

High 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.

Citation Download Citation

Robert Halir, Alejandro Ortega-Moñux, Pavel Cheben, Alejandro Maese-Novo, Diego Pérez-Galacho, Carlos Alonso-Ramos, Íñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez, Jens H. Schmid, Dan-Xia Xu, and Siegfried Janz "Subwavelength metastructures for dispersion engineering in planar waveguide devices", Proc. SPIE 8995, High Contrast Metastructures III, 89950U (19 February 2014); https://doi.org/10.1117/12.2045727

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