Realization of multilayer Si/SiO2 super-high N.A. GRIN lens on Si-waveguide coupling to single-mode optical fibre

Vertical optical mode-size transformation from 260nm-thick Si-nanowaveguide to 10~12μm matching the single-mode-fibre-core has been demonstrated using compact multilayer Si/SiO 2 asymmetric GRIN lens (length:~24μm). GRIN lens to single-mode-fibre practical coupling loss of -3.45 dB was achieved.

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Bibliographische Detailangaben
Hauptverfasser:	Ter-Hoe Loh, Qian Wang, Jie Zhu, Keh-Ting Ng, Yi-Cheng Lai, Seng-Tiong Ho
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	(220.0220) Optical Design and Fabrication Integrated optics Lenses Nonhomogeneous media Optical coupling Optical device fabrication Optical fibers Optical refraction Optical surface waves Optical variables control Propagation losses
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Beschreibung
Zusammenfassung:	Vertical optical mode-size transformation from 260nm-thick Si-nanowaveguide to 10~12μm matching the single-mode-fibre-core has been demonstrated using compact multilayer Si/SiO 2 asymmetric GRIN lens (length:~24μm). GRIN lens to single-mode-fibre practical coupling loss of -3.45 dB was achieved.