We present a novel type of grating-assisted coupler for coupling light from an optical fibre to a thin semiconductor waveguide. The Dual Grating-Assisted Directional Coupler (DGADC) consists of two gratings, one thick waveguide with a refractive index similar to the refractive index of the fibre, a thin semiconductor waveguide and a layer with refractive index which is between that of the thick and thin waveguides. Specifically, a coupler in silicon on insulator (SOI) has been analysed. The maximum coupling efficiency for this coupler can approach 100%, while the minimum coupling length can be around 2mm.

Coupling optical fibres with thin semiconductor waveguides / Masanovic, Goran Z.; Passaro, Vittorio M. N.; Reed, Graham T.. - STAMPA. - 4997:(2003), pp. 171-180. (Intervento presentato al convegno Conference on Photonics Packaging and Integration III tenutosi a San Jose, CA nel January 28-30, 2003) [10.1117/12.479446].

Coupling optical fibres with thin semiconductor waveguides

Vittorio M. N. Passaro;
2003-01-01

Abstract

We present a novel type of grating-assisted coupler for coupling light from an optical fibre to a thin semiconductor waveguide. The Dual Grating-Assisted Directional Coupler (DGADC) consists of two gratings, one thick waveguide with a refractive index similar to the refractive index of the fibre, a thin semiconductor waveguide and a layer with refractive index which is between that of the thick and thin waveguides. Specifically, a coupler in silicon on insulator (SOI) has been analysed. The maximum coupling efficiency for this coupler can approach 100%, while the minimum coupling length can be around 2mm.
2003
Conference on Photonics Packaging and Integration III
0-8194-4797-8
Coupling optical fibres with thin semiconductor waveguides / Masanovic, Goran Z.; Passaro, Vittorio M. N.; Reed, Graham T.. - STAMPA. - 4997:(2003), pp. 171-180. (Intervento presentato al convegno Conference on Photonics Packaging and Integration III tenutosi a San Jose, CA nel January 28-30, 2003) [10.1117/12.479446].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/20165
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