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Creating a qubit fit for a quantum future

A topological alternative For the team at Nokia Bell Labs, the solution lies in better qubits rather than bigger machines. Specifically, rather than information encoded in individual elementary particles, the team is focused on qubits that hold this same information in the way matter is spatially oriented—what is known as a topological qubit. This alternative approach uses electromagnetic fields to manipulate charges around a supercooled electron liquid, triggering the qubits to switch between

TaIrTe₄ photodetectors show promise for sensitive room-temperature THz sensing

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: High-performance THz sensing based on the strong THz nonlinear electrodynamics in a layered correlated topological semimetals TaIrTe 4 . Credit: Xin (Zoe) Zou Terahertz radiation (THz), electromagnetic radiation with frequencies ranging between 0.1 and 10 THz, could be leveraged to develop various new technologies,

Microsoft's quantum chip Majarona 1 is a few qubits short

Microsoft says its Majorana 1 contains eight topological qubits and can scale to a million, though the details on how it will scale are scant. Microsoft Quantum Microsoft's quantum computing scientists announced they have finally realized a long-held goal of building a "topological qubit", the equivalent of a transistor for ordinary chips, that may help advance quantum computing. The qubit is the functional element of a quantum chip, called Majorana 1, based on an exotic particle, a hybrid of

FAQ on Microsoft's topological qubit thing

Q1. Did you see Microsoft’s announcement? A. Yes, thanks, you can stop emailing to ask! Microsoft’s Chetan Nayak was even kind enough to give me a personal briefing a few weeks ago. Yesterday I did a brief interview on this for the BBC’s World Business Report, and I also commented for MIT Technology Review. Q2. What is a topological qubit? A. It’s a special kind of qubit built using nonabelian anyons, which are excitations that can exist in a two-dimensional medium, behaving neither as fermio