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Silicon-Organic Hybrid Electro-Optical Devices

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20 Author(s)
Leuthold, J. ; ETH-Zurich, Zurich, Switzerland ; Koos, C. ; Freude, W. ; Alloatti, L.
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Organic materials combined with strongly guiding silicon waveguides open the route to highly efficient electro-optical devices. Modulators based on the so-called silicon-organic hybrid (SOH) platform have only recently shown frequency responses up to 100 GHz, high-speed operation beyond 112 Gbit/s with fJ/bit power consumption. In this paper, we review the SOH platform and discuss important devices such as Mach-Zehnder and IQ-modulators based on the linear electro-optic effect. We further show liquid-crystal phase-shifters with a voltage-length product as low as VπL = 0.06 V·mm and sub-μW power consumption as required for slow optical switching or tuning optical filters and devices.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:19 ,  Issue: 6 )