Demonstration of a low V_πL modulator with GHz bandwidth based on electro-optic polymer-clad silicon slot waveguides
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Open Access
- 8 July 2010
- journal article
- research article
- Published by Optica Publishing Group in Optics Express
- Vol. 18 (15) , 15618-15623
- https://doi.org/10.1364/oe.18.015618
Abstract
We demonstrate a near-infrared electro-optic modulator with a bandwidth of 3 GHz and a VπL figure of merit of 0.8 V-cm using a push-pull configuration. This is the highest operating speed achieved in a silicon-polymer hybrid system to date by several orders of magnitude. The modulator was fabricated from a silicon strip-loaded slot waveguide and clad in a nonlinear polymer. In this geometry, the electrodes form parts of the waveguide, and the modulator driving voltage drops across a 200 nm slot.Keywords
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