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First indication of on-chip qubit control

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ImTC Member Level  Sunday, 07/18/21 05:53:02 PM
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First indication of on-chip qubit control

12 July 2021

Highlights
• Significant 12CQ chip development progress made with the first quantum
information signals detected that indicate on-chip qubit control.
• Quantum control of qubits integrated with miniaturised chip devices under
various environment and system conditions is required for 12CQ chip operation.
• The progress made is a major technological feat and represents a crucial step
towards realising 12CQ as a viable chip-based qubit architecture†.
• Archer is advancing its world-first technology development with an immediate
focus on achieving qubit control.
• Archer is the only ASX listed company and one of a few players in the world
developing a qubit processor chip in the quantum computing industry‡.
Archer Materials Limited (“Archer”, the “Company”, “ASX:AXE”) is pleased to announce it has an
early indication of on-chip qubit control in microscopic-scale qubit material, which marks
significant progress as part of the Company’s 12CQ quantum computing chip development.
Archer recently characterised optimised and unoptimised custom-built quantum control
devices (ASX ann. 19 Nov 2020) for initial qubit control measurements, and also developed
advanced device designs (ASX ann. 10 May 2021). This ASX announcement reports the first
indication of on-chip qubit control in microscopic-scale qubit material.
On-chip qubit control of few and single qubits would validate 12CQ chip viability
With the early indication of on-chip qubit controlthe Company’s 12CQ quantum computing chip
technology development continues and is on track towards achieving ‘qubit control’ under
various qubit environments, including few and single qubits. Device fabrication and
characterisation measurements are being performed by Archer staff at various lab facilities.
For the first time, Archer has recorded the Continuous Wave Electron Spin Resonance (“cwESR”) signals arising from a specially fabricated superconducting on-chip resonator
semiconductor device integrating microscopic quantities of qubits (Image 1). Initial results
indicate the obtained on-chip cw-ESR signal signature is characteristic of the qubit material.
Importantly, the on-chip cw-ESR signal signature was found to be in excellent agreement with
the well-studied, repeatable, and scientifically published signal obtained from roomtemperature measurements performed on macroscopic (‘bulk’) quantity qubits using cw-ESR
instruments†
.

https://archerx.com.au/src/uploads/2021/07/20210712_First-indication-of-on-chip-qubit-control-ASX-Release.pdf

If THEIR IS ONE THING I AM SURE ABOUT IS I AM USUALLY WRONG
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