Post doc Oxide-oxide CMOS wafer bonding for video holography (CSC2020-16)

Leuven - Research & development
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More than two weeks ago

The goal of this postdoc is to develop the oxide-oxide bonding technology to merge the metamaterial wafer and the barium titanite (BTO) waveguide wafer, and hence enable the driving of an electric field over the BTO wafer at a pitch of less than 100 nm to

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Post doc Oxide-oxide CMOS wafer bonding for video holography

Project description

Please note that this project is in the framework of CSC-IMEC-KU Leuven Scholarships. Please read the requirements before applying here

Holograms are high‐resolution structures that allow to project 3D images in free space. Their  resolution is higher than 10000 lines/mm, and their information density surpasses 10 gigabit/cm2.  Until recently, one could not image to drive high‐quality holograms at video rate due to the  limitations in both patterning resolution and data bandwidth. But the silicon industry evolves at  warp speed. Pixel densities below 100 nm and data rates above 1 Terabit/s are now within reach,  and this opens perspectives to develop video‐rate switchable full‐color holograms on CMOS driving  circuitry. Several physical principles for generating high‐speed electrically‐addressable holograms are  currently investigated. We research a route based on low‐power electrical control of the local  refractive index of a novel meta‐material at the nanometer scale. In the framework of the ERC  Advanced Grantvideo holography, we develop both the metamaterial and the waveguide material  independently on separate Silicon wafers in our 300mm CMOS cleanroom.  The goal of this postdoc is to develop the oxide‐oxide bonding technology to merge both the  metamaterial wafer and the barium titanite (BTO) waveguide wafer, and hence enable the hologram  driving. As accurate control of the waveguide is needed on a 100 nm scale, a high‐quality interface  between both is key. This requires an in‐depth insight of the selected oxide interfaces and its wafer  to wafer bonding process, and detailed investigation of how this interface can be further improved.  The candidate post‐doc has a solid background in material engineering and material  characterization. He/she has a strong affinity for material quality assessment and semiconductor  technology and a keen interest in optical and electro‐optical properties of materials. The research  will be supported and guided by several experts from different domains in imec. It is part of the plan  to make video holographic projection devices, funded by the ERC Advanced Grantvideo holography  of the promotor Jan Genoe.  

Please note that this project is in the framework of CSC-IMEC-KU Leuven Scholarships. Please read the requirements before applying here  
   

Supervisor: Jan Genoe (KU Leuven)
Daily advisor: Robert Gehlhaar
Required background: Material engineering with affinity for optics (holography) and technology  
Type of work:
10% literature study, 50% material growth, 40% (optical) characterization  

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