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Photonic integrated circuits are paving the way for novel on-chip functionalities with diverse applications in communication, computing, and beyond. The integration of on-chip light sources, especially single-mode lasers, is crucial for advancing those pho ...
In this work we present an in-memory computing platform based on coupled VO2 oscillators fabricated in a crossbar configuration on silicon. Compared to existing platforms, the crossbar configuration promises significant improvements in terms of area densit ...
Self-heating is a crucial effect in integrated nanophotonic devices regarding their power consumption. In this work, we employ coupled 3D thermo-electrical simulations to gain insight into the thermal behavior related to traps in a monolithic InP-InGaAs-In ...
SPIE-INT SOC OPTICAL ENGINEERING2022
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Topological nature in different areas of physics and electronics has often been characterized and controlled through topological invariants depending on the global properties of the material. The validity of bulk-edge correspondence and symmetry-related to ...
Basel2023
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Oscillatory neural networks based on insulator to metal transition of VO2 switches are implemented for image recognition. The VO2 oscillators are fabricated on silicon in a CMOS compatible process.A fullyconnected network of coupled oscillators is investig ...
2020
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An important building block for on-chip photonic applications is a scaled emitter. Whispering gallery mode cavities based on III-Vs on Si allow for small device footprints and lasing with low thresholds. However, multimodal emission and wavelength stabilit ...
AMER CHEMICAL SOC2022
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We report on the control of the crystal phase of micron-sized planar III-V semiconductor films grown on top of standard (001) oriented substrates. We achieve this by confining the MOCVD process using SiO2 templates and selecting specific growth planes. We ...
IEEE2019
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InGaAs/GaAsSb tunnelling field-effect transistors and InGaAs metal-oxide-semiconductor field-effect transistors can be integrated on the same silicon substrate using conventional CMOS-compatible processes, creating a platform for potential use in low-power ...
NATURE RESEARCH2021
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In this work, we report a novel Indium Arsenide-on-insulator (InAsOI) FinFET platform designed with record high aspect ratio that favor the use of the devices as charge sensors. InAs has very high mobility among III-V semiconductors and an intrinsic surfac ...
IEEE2019
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Oscillator networks are known for their interesting collective behavior such as frequency locking, phase locking, and synchronization. Compared to other artificial neural network implementations, timing rather than amplitude information is used for computa ...
