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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Thomson, David
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2022Effect of dentine site on resin and cement adaptation tested using X-ray and electron microscopy to evaluate bond durability and adhesive interfacescitations
- 2020Silicon erasable waveguides and directional couplers by germanium ion implantation for configurable photonic circuitscitations
- 2018Real-time monitoring and gradient feedback enable accurate trimming of ion-implanted silicon photonic devicescitations
- 2017Phase trimming of Mach-Zehnder Interferometers by laser annealing of germanium implanted waveguidescitations
- 2017Post-fabrication phase trimming of Mach-Zehnder Interferometers by laser annealing of germanium implanted waveguidescitations
- 2017Trimming of ring resonators via ion implantation in siliconcitations
- 2016Electron channelling contrast imaging for III-nitride thin film structurescitations
- 2008Use of sonication and influence of clay type on the enhancement in physical properties of poly(methyl methacrylate) nanocomposites
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article
Real-time monitoring and gradient feedback enable accurate trimming of ion-implanted silicon photonic devices
Abstract
Fabrication errors pose significant challenges on silicon photonics, promoting postfabrication trimming technologies to ensure device performance. Conventional approaches involve multiple trimming and characterization steps, impacting overall fabrication complexity. Here we demonstrate a highly accurate trimming method combining laser annealing of germanium implanted silicon waveguide and real-time monitoring of device performance. Direct feedback of the trimming process is facilitated by a differential spectroscopic technique based on photomodulation. The resonant wavelength trimming accuracy is better than 0.15 nm for ring resonators with 20-μm radius. We also realize operating point trimming of Mach-Zehnder interferometers with germanium implanted arms.<br/>A phase shift of 1.2π is achieved by annealing a 7-μm implanted segment.