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29 September 2006 Development and performance of an all-DNA-based electro-optic waveguide modulator
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Abstract
Marine-based deoxyribonucleic acid (DNA), purified from waste products of the Japanese fishing industry, has recently become a new material of interest in photonics applications. The water soluble DNA is precipitated with a surfactant complex, hexadecyltrimethyl-ammonium chloride (CTMA), to form a water insoluble complex, DNA-CTMA, for application as a nonlinear optical material. In order to fabricate an all-DNA-based waveguide, it was necessary to crosslink the DNA-CTMA films. Crosslinking makes the films resistant to their initial solvent; this permits spin-coating of successive DNA-CTMA layers without solvent damage. A chromophore dye is added to the core layer to allow for an electro-optic coefficient to be induced through contact poling. Through contact poling, an electro-optic (EO) coefficient comparable to that in other polymers was demonstrated in crosslinked DNA-CTMA films with the chromophore dye Disperse Red 1. This EO effect allowed for the creation of the first all-DNA-based EO waveguide modulator. The performance of the modulator is described.
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Emily M. Heckman, Perry P. Yaney, James G. Grote, and F. Kenneth Hopkins "Development and performance of an all-DNA-based electro-optic waveguide modulator", Proc. SPIE 6401, Optical Materials in Defence Systems Technology III, 640108 (29 September 2006); https://doi.org/10.1117/12.692619
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