Quantum computing has gained public attention with significant advancements from tech giants like Google, Microsoft, and Amazon. However, these companies are still far from achieving practical quantum computers, which require millions of qubits. Dutch startup QuantWare aims to address this challenge with a new 3D chip architecture designed to support up to a million qubits, as emphasized by co-founder Matthijs Rijlaarsdam. The scaling of qubits is critical, yet current designs face limitations in space for additional qubits and crucial components, contributing to slow progress in the field.
We need to get to around a million qubits for a quantum computer capable of economically-relevant, world-changing calculations.
Even Google took five years to double the number of qubits on its chips - from 50 to 100.
One of the biggest bottlenecks to scaling quantum computers is making room for more qubits.
Current designs route the electronic signals used to control the qubits to the edge of the chip, leading to space limitations.
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