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Publisher DOI: 10.1364/OE.17.000304
Title: Electro-optical modulator in a polymer-infiltrated silicon slotted photonic crystal waveguide heterostructure resonator
Language: English
Authors: Wülbern, Jan Hendrik 
Petrov, Alexander  
Eich, Manfred 
Keywords: photonic crystal;pockels effect;electrooptic effect;nonlinear optical polymer;optical resonator
Issue Date: 2009
Source: Optics express ; vol. 17.2009, no.1, pp. 304-313
Journal or Series Name: Optics express
Abstract (english): We present a novel concept of a compact, ultra fast electro-optic modulator, based on photonic crystal resonator structures that can be realized in two dimensional photonic crystal slabs of silicon as core material employing a nonlinear optical polymer as infiltration and cladding material. The novel concept is to combine a photonic crystal heterostructure cavity with a slotted defect waveguide. The photonic crystal lattice can be used as a distributed electrode for the application of a modulation signal. An electrical contact is hence provided while the optical wave is kept isolated from the lossy metal electrodes. Thereby, well known disadvantages of segmented electrode designs such as excessive scattering are avoided. The optical field enhancement in the slotted region increases the nonlinear interaction with an external electric field resulting in an envisaged switching voltage of approximately 1 V at modulation speeds up to 100 GHz.
DOI: 10.15480/882.828
ISSN: 1094-4087
Institute: Optische und Elektronische Materialien E-12 
Type: (wissenschaftlicher) Artikel
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