PLANAR GRATING MULTIPLEXERS USING SILICON NANOWIRE TECHNOLOGY: NUMERICAL SIMULATIONS AND FABRICATIONS | Zendy

Jun Song | Zendy; Yuanzhou Li | Zendy; Xiang Zhou | Zendy; Xuan Li | Zendy

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PLANAR GRATING MULTIPLEXERS USING SILICON NANOWIRE TECHNOLOGY: NUMERICAL SIMULATIONS AND FABRICATIONS

Author(s) -

Jun Song,

Yuanzhou Li,

Xiang Zhou,

Xuan Li

Publication year - 2012

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier11110402

Subject(s) - planar , multiplexer , grating , materials science , silicon , silicon nanowires , nanowire , optoelectronics , optics , nanotechnology , computer science , electronic engineering , multiplexing , engineering , physics , computer graphics (images)

Planar waveguide gratings have shown great potential for the application of the wavelength division multiplexing (WDM) functionality in optical communications due to their compactness and high spectral flnesse. Planar gratings based on silicon nanowire technology have high light conflnements and consequently very high integration density, which is 1{2 orders of magnitude smaller than conventional silica based devices. In the present paper, we will simulate the silicon nanowire based planar grating multiplexer with total-internal-re∞ection facets using a boundary integral method. The polarization dependent characteristics of the device are analyzed. In addition, the planar grating multiplexer with 1nm spacing is fabricated and characterized. Compared with measured values, the numerical results show that the sidewall roughness in the grating facets can result in a large insertion loss for the device.

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