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Proceedings Paper

Efficient transmission control based on carrier accumulation in silicon slot photonic-crystal waveguide as an embedded layer for board level optical interconnects
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Paper Abstract

We experimentally demonstrate an all-silicon optical transmission controller based on a semiconductor-oxide-semiconductor capacitor embedded in a slot photonic-crystal waveguide. We incorporate a multimode interference-based structure to reduce the coupling loss induced by the waveguide mode mismatch. We perform a detailed DC characterization of the electro-optic device including the DC modulation test and the evaluation of the resistance-capacitance constant. The measured modulation curve is in good agreement with our theoretical analysis. Calculation of the effective index change indicates as much as 30 times efficiency enhancement compared with the slotted silicon rib waveguide. Such a waveguide layer can serve as the active layer for fully embedded optical interconnect architecture with minimum power consumption.

Paper Details

Date Published: 25 September 2007
PDF: 6 pages
Proc. SPIE 6640, Active Photonic Crystals, 664003 (25 September 2007);
Show Author Affiliations
Xiaonan Chen, The Univ. of Texas at Austin (United States)
Lanlan Gu, Omega Optics Inc. (United States)
Ray T. Chen, The Univ. of Texas at Austin (United States)

Published in SPIE Proceedings Vol. 6640:
Active Photonic Crystals
Sharon M. Weiss; Ganapathi S. Subramania; Florencio Garcia-Santamaria, Editor(s)

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