category: Optoelectronics / Photonics

category: IoT, Security & Automotive

3D Integration And Test Results From TSV-Processed Chips (CERN et al.)
By Technical Paper Link - 20 Jan, 2025 - Comments: 0

A new technical paper titled "3D integration of pixel readout chips using Through-Silicon-Vias" was published by researchers at CERN, IZM Fraunhofer and University of Geneva. Abstract "Particle tracking and imaging detectors are becoming increasingly complex, driven by demands for densely integrated functionality and maximal sensitive area. These challenging requirements can be met using 3D... » read more

Vertical AlGaN Heterostructures For Integrated Photonics
By Technical Paper Link - 20 Jan, 2025 - Comments: 0

A new technical paper titled "AlGaN/AlN heterostructures: an emerging platform for integrated photonics" was published by researchers at Humboldt-Universität zu Berlin and Ferdinand-Braun-Institut (FBH). Abstract "We introduce a novel material for integrated photonics and investigate aluminum gallium nitride (AlGaN) on aluminum nitride (AlN) templates as a platform for developing reconfig... » read more

Loss Processes in Electrochemically Charged Semiconductor Nanocrystal Films (TU Delft)
By Technical Paper Link - 16 Jan, 2025 - Comments: 0

A new technical paper titled "Where Do the Electrons Go? Studying Loss Processes in the Electrochemical Charging of Semiconductor Nanomaterials" was published by researchers at Delft University of Technology. Abstract "Electrochemical charging of films of semiconductor nanocrystals (NCs) allows precise control over their Fermi level and opens up new possibilities for use of semiconductor NC... » read more

Transformation Of Polarons As Tellurene Becomes Thinner
By Technical Paper Link - 15 Jan, 2025 - Comments: 0

A new research paper titled "Thickness-dependent polaron crossover in tellurene" was published by researchers from Rice University, Lawrence Berkeley National Laboratory, MIT, Argonne National Laboratory, ORNL, Purdue University, and Stanford University. Abstract "Polarons, quasiparticles from electron-phonon coupling, are crucial for material properties including high-temperature supercond... » read more

Co-Packaged Optics To Train/Run GenAI Models in Data Centers (IBM)
By Technical Paper Link - 27 Dec, 2024 - Comments: 0

A new technical paper titled "Next generation Co-Packaged Optics Technology to Train & Run Generative AI Models in Data Centers and Other Computing Applications" was published by researchers at IBM. Abstract "We report on the successful design and fabrication of optical modules using a 50 micron pitch polymer waveguide interface, integrated for low loss, high density optical data transf... » read more

Patterning Doping On Very Large Monolayer MoS2 (NREL)
By Technical Paper Link - 03 Dec, 2024 - Comments: 0

A new technical paper titled "Spatially Precise Light-Activated Dedoping in Wafer-Scale MoS2 Films" was published by researchers at National Renewable Energy Laboratory (NREL) and Renewable & Sustainable Energy Institute (RASEI). "In this work, we unravel the mechanism that drives PL* changes of MoS2 monolayers under laser illumination in ambient conditions. We demonstrate the critical ... » read more

New Class Of Materials With Increased Band Gap (U. of Minnesota, Caltech)
By Technical Paper Link - 08 Nov, 2024 - Comments: 0

A new technical paper titled "Deep-ultraviolet transparent conducting SrSnO3 via heterostructure design" was published by researchers at University of Minnesota–Twin Cities and Caltech. The researchers "looked at creating a new class of materials with increased “band gap,” enhancing both transparency and conductivity. The new material is a transparent conducting oxide, created with a s... » read more

Two Silicon Switches Driven Both Thermally and Electrically With Ultra-Low-Crosstalk (Cambridge)
By Technical Paper Link - 06 Nov, 2024 - Comments: 0

A new technical paper titled "Ultra-low-crosstalk Silicon Switches Driven Thermally and Electrically" was published by researchers at University of Cambridge and GlitterinTech Limited. Abstract "Silicon photonic switches are widely considered as a cost-effective solution for addressing the ever-growing data traffic in datacenter networks, as they offer unique advantages such as low power co... » read more

Visualization of Photoexcited Charges Moving Across the Interface of Si/Ge
By Technical Paper Link - 05 Nov, 2024 - Comments: 0

A technical paper titled "Imaging hot photocarrier transfer across a semiconductor heterojunction with ultrafast electron microscopy" was published by researchers at UC Santa Barbara and UCLA. "In this work, we apply scanning ultrafast electron microscopy to provide a holistic view of photoexcited charge dynamics in a Si/Ge heterojunction. We find that the built-in potential and the band off... » read more

PCM-Based Photonic Memory Cells: Design-Space Exploration And Performance Comparisons
By Technical Paper Link - 29 Oct, 2024 - Comments: 0

A technical paper titled "Programmable phase change materials and silicon photonics co-integration for photonic memory applications: a systematic study" was published by researchers at Colorado State University, CEA-LETI, and UC Berkeley. Find the technical paper here. August 2024. "We delve into the performance comparison of PCM-based programmable photonic memory cells based on silicon p... » read more

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