tag: quantum dots

Mini Review of Photodetectors and Image Sensors: Materials and Fabrication
By Technical Paper Link - 19 Oct, 2024 - Comments: 0

A new technical paper titled "Image Sensors and Photodetectors Based on Low-Carbon Footprint Solution-Processed Semiconductors" was published by researchers at Cardiff University. Abstract "This mini-review explores the evolution of image sensors, essential electronic components increasingly integrated into daily life. Traditional manufacturing methods for image sensors and photodetectors, ... » read more

Analysis of the Errors of High-Fidelity Two-Qubit Gates in Silicon Quantum Dots (UNSW et al.)
By Technical Paper Link - 28 Aug, 2024 - Comments: 0

A new technical paper titled "Assessment of the errors of high-fidelity two-qubit gates in silicon quantum dots" was published by researchers at UNSW, Diraq, Sandia National Laboratories, Keio University, Leibniz-Institut für Kristallzüchtung and others. Abstract "Achieving high-fidelity entangling operations between qubits consistently is essential for the performance of multi-qubit syst... » read more

Selected I-III-VI2 Semiconductors: Synthesis, Properties, and Applications (Université de Lorraine)
By Technical Paper Link - 20 Nov, 2023 - Comments: 0

A technical paper titled “Selected I-III-VI2 Semiconductors: Synthesis, Properties and Applications in Photovoltaic Cells” was published by researchers at Université de Lorraine, CNRS. Abstract: "I–III–VI2 group quantum dots (QDs) have attracted high attention in photoelectronic conversion applications, especially for QD-sensitized solar cells (QDSSCs). This group of... » read more

Tiny Dots, Big Impact: The Luminous World of Quantum Dots
By Xia Stammer - 07 Nov, 2023 - Comments: 0

In the early ’80s, Alexey Ekimov and Louis E. Brus independently researched semiconductor clusters, leading to the discovery of quantum dots (QDs). QDs are nanoscale semiconductor particles with unique optical and electronic properties. In 1993, Moungi Bawendi improved quantum dot production, making them nearly perfect for various applications. By the late ’90s and early 2000s, quantum d... » read more

Metallic Behaviour of Semiconducting Colloidal Quantum Dots (RIKEN, Others)
By Technical Paper Link - 14 Jun, 2023 - Comments: 0

A technical paper titled “Enabling metallic behaviour in two-dimensional superlattice of semiconductor colloidal quantum dots” was published by researchers at RIKEN Center for Emergent Matter Science (CEMS), Tokyo Institute of Technology, RIKEN SPring-8 Center, The University of Tokyo, and Tokyo University of Agriculture and Technology. Abstract "Semiconducting colloidal quantum dots ... » read more

Week In Review: Semiconductor Manufacturing, Test
By Karen Heyman - 18 Nov, 2022 - Comments: 0

Chinese memory chip maker YMTC and dozens of other Chinese entities are "at risk" of being added to a trade blacklist as soon as Dec. 6, a U.S. Commerce Department official said in prepared remarks seen by Reuters. SMIC co-CEO Zhao Haijun said on an earnings call that recent export controls from the United States will have an "adverse impact" on the company's production. The U.K. has rule... » read more

Six Qubit Processor (TU Delft, QuTech, TNO)
By Technical Paper Link - 29 Sep, 2022 - Comments: 0

A new technical paper titled "Universal control of a six-qubit quantum processor in silicon" was just published by researchers at Delft University of Technology, QuTech and Netherlands Organization for Applied Scientific Research (TNO). "We increase the number of qubits and simultaneously achieve respectable fidelities for universal operation, state preparation and measurement. We design, fa... » read more

Using Reservoir Offset Voltage Of a Quantum Dot as Gate Electrode
By Technical Paper Link - 01 Jul, 2022 - Comments: 0

Technical paper titled "The functions of a reservoir offset voltage applied to physically defined p-channel Si quantum dots" from researchers at Tokyo Institute of Technology and Device Technology Research Institute (D-Tech), National Institute of Advanced Industrial Science and Technology (AIST). Abstract "We propose and define a reservoir offset voltage as a voltage commonly applied to b... » read more

Qubits made by advanced semiconductor manufacturing
By Technical Paper Link - 29 Mar, 2022 - Comments: 0

Abstract: "Full-scale quantum computers require the integration of millions of qubits, and the potential of using industrial semiconductor manufacturing to meet this need has driven the development of quantum computing in silicon quantum dots. However, fabrication has so far relied on electron-beam lithography and, with a few exceptions, conventional lift-off processes that suffer from low yie... » read more

Metasurface Colloidal Quantum Dot Photodetectors
By Technical Paper Link - 27 Jan, 2022 - Comments: 0

Abstract: "Efficient photodetectors that can be easily engineered for a specific spectral window are of high interest. Here, we report on the design, fabrication, and characterization of metasurface-enhanced photodetectors and photodiodes using colloidal quantum dots. We fabricate photoconductors optimized for the wavelength range around 1550 nm featuring responsivities of up to 8000 A/W wit... » read more

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