Journal
OPTICS LETTERS
Volume 43, Issue 15, Pages 3598-3601Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.43.003598
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- European Regional Development Fund (ERDF) [10.13039/501100008530]
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This Letter reports on the quadratic electro-optic effect of polymers, observed in a silicon slot-waveguide at low voltages. We demonstrate that in narrow slots, the electro-optic response with respect to refractive index change is strong enough for on-chip wavelength tuning and intensity modulation using voltages as low as 1 V. A silicon slot-waveguide embedded by a nonlinear optical polymer, consisting of the dye Disperse Red 1 in poly(methyl methacrylate), serves as the phase shifter in a racetrack ring resonator. As deduced from the experimental data, the third-order susceptibility of the utilized electro-optic polymer is about 2 . 10(-1)(9) m(2)/V-2. The demonstrated low-voltage operation and inherently thermal stability show the potential for silicon-organic hybrid devices using the quadratic electro-optic effect. (C) 2018 Optical Society of America
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