444 research outputs found

    Ultra-short silicon-organic hybrid (SOH) modulator for bidirectional polarization-independent operation

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    We propose a bidirectional, polarization-independent, recirculating IQ-modulator scheme based on the silicon-organic hybrid (SOH) platform. We demonstrate the viability of the concept by using an SOH Mach-Zehnder modulator, operated at 10 GBd BPSK and 2ASK-2PSK

    Silicon-Organic Hybrid (SOH) and Plasmonic-Organic Hybrid (POH) integration

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    Silicon-organic hybrid (SOH) and plasmonic-organic hybrid (POH) integration combines organic clectro-optic materials with silicon photonic and plasmonic waveguides, The concept enables fast and power-efficient modulators that support advanced modulation formats such as QPSK and 16QAM

    10 GBd modulator directly driven by an FPGA without electrical amplification

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    Using standard single-ended FPGA outputs with 270 mV(pp) we demonstrate 10GBd OOK and BPSK transmission by directly driving a low-voltage silicon-organic hybrid ( SOH) modulator. The scheme does not require electronic driver amplifiers, which paves the way to energy-efficient photonic-electronic integration

    Silicon-organic hybrid electro-optical devices

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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 V pi L = 0.06 V.mm and sub-mu W power consumption as required for slow optical switching or tuning optical filters and devices

    Optical Arbitrary Waveform Measurement (OAWM) on the Silicon Photonic Platform

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    We demonstrate optical arbitrary waveform measurement (OAWM) using a silicon pho-tonic spectral slicer. Exploiting maximal-ratio combining (MRC), we demonstrate the viability of the scheme by reconstructing 100-GBd 64QAM signals with high quality
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