Compact Broadband Directional Couplers Using Subwavelength Gratings

We experimentally demonstrate compact broadband directional couplers using subwavelength gratings for silicon-on-insulator wafers with silicon layers of 220 nm. The dispersion properties of the optical modes are engineered using subwavelength gratings, which allow broadband operation. Finite-differe...

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Veröffentlicht in:	IEEE photonics journal 2016-06, Vol.8 (3), p.1-8
Hauptverfasser:	Wang, Yun, Lu, Zeqin, Ma, Minglei, Yun, Han, Zhang, Fan, Jaeger, Nicolas A. F., Chrostowski, Lukas
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Broadband Couplers Couplings Design analysis Devices Diffraction gratings Directional couplers Dispersion Gratings (spectra) Mathematical analysis Optical device fabrication Optical waveguides Subwavelength structures Time-domain analysis Waveguide devices
Online-Zugang:	Volltext
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