tag: quantum computing

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

Wavelength Multiplexed Ultralow-Power Photonic Edge Computing
By Technical Paper Link - 25 Mar, 2022 - Comments: 0

Abstract "Advances in deep neural networks (DNNs) are transforming science and technology. However, the increasing computational demands of the most powerful DNNs limit deployment on low-power devices, such as smartphones and sensors -- and this trend is accelerated by the simultaneous move towards Internet-of-Things (IoT) devices. Numerous efforts are underway to lower power consumption, but ... » read more

Week In Review: Manufacturing, Test
By Ed Sperling - 25 Mar, 2022 - Comments: 0

Worldwide fab equipment spending for front-end manufacturing is expected to hit $107 billion this year, an 18% year-over-year increase, according to SEMI’s latest World Fab Forecast report. “Crossing the $100 billion mark in spending on global fab equipment for the first time is a historic milestone for the semiconductor industry,” said Ajit Manocha, president and CEO of SEMI. Investme... » read more

QubiC: An Open-Source FPGA-Based Control and Measurement System for Superconducting Quantum Information Processors
By Technical Paper Link - 09 Mar, 2022 - Comments: 0

Abstract: "As quantum information processors grow in quantum bit (qubit) count and functionality, the control and measurement system becomes a limiting factor to large-scale extensibility. To tackle this challenge and keep pace with rapidly evolving classical control requirements, full control stack access is essential to system-level optimization. We design a modular field-programmable gate a... » read more

Manufacturing Bits: Nov. 30
By Mark LaPedus - 30 Nov, 2021 - Comments: 0

Quantum chemistry QunaSys has launched a technology that enables researchers to perform chemical calculations using quantum computers in the cloud. The company has announced the launch of the cloud version of Qamuy, which is supported by Amazon Web Services Japan. Qamuy is a software technology that allows researchers to perform chemical calculations using quantum computers. Developers c... » read more

Factoring 2048-bit RSA Integers in 177 Days with 13 436 Qubits and a Multimode Memory
By Technical Paper Link - 18 Nov, 2021 - Comments: 0

Abstract: "We analyze the performance of a quantum computer architecture combining a small processor and a storage unit. By focusing on integer factorization, we show a reduction by several orders of magnitude of the number of processing qubits compared with a standard architecture using a planar grid of qubits with nearest-neighbor connectivity. This is achieved by taking advantage of a tem... » read more

The Race To Make Better Qubits
By Katherine Derbyshire - 18 Nov, 2021 - Comments: 0

One of the big challenges in quantum computing is getting qubits to last long enough to do something useful with them. After decades of research, there now appears to be tangible progress. The challenge with any new semiconductor technology is to improve performance by one or more orders of magnitude without discarding a half-century of progress in other areas. Qubits based on silicon quantu... » read more

Manufacturing Bits: Nov. 8
By Mark LaPedus - 08 Nov, 2021 - Comments: 0

Plasma R&D with quantum computing Rigetti Computing, a developer of quantum computers, has been selected to lead a quantum simulation project for the development of fusion energy. The project was awarded by the Department of Energy (DoE). Under the plan, Rigetti will collaborate with Lawrence Livermore National Laboratory and the University of Southern California on a three-year, $3.1 m... » read more

Buried nanomagnet realizing high-speed/low-variability silicon spin qubits: implementable in error-correctable large-scale quantum computers
By Technical Paper Link - 27 Oct, 2021 - Comments: 0

Abstract: "We propose a buried nanomagnet (BNM) realizing highspeed/low-variability silicon spin qubit operation, inspired by buried wiring technology, for the first time. High-speed quantum-gate operation results from large slanting magnetic-field generated by the BNM disposed quite close to a spin qubit, and low-variation of fidelity thanks to the self-aligned fabrication process. Employing ... » read more

Progress On General-Purpose Quantum Computers
By Katherine Derbyshire - 21 Oct, 2021 - Comments: 0

The race is on to scale up quantum computing, transforming it from an esoteric research tool into a commercially viable, general-purpose machine. Special-purpose quantum computers have been available for several years now. Systems like D-Wave’s Advantage focus on specific classes of problems that are amenable to modeling as quantum systems. Still, the ultimate goal of having a general purp... » read more

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