Q-CTRL Improving Quantum Computers Thousands of Times

Q-CTRL has raised a total of over $70 million. They provide quantum error suppression and quantum error mitigation to improve the performance of quantum computers (superconducting, trapped ion, neutral atom).

They leave quantum error correction to the hardware makers.

They are working with customers and a shipping parcel loading optimization problem is economically useful. The number of qubits available in current systems is sufficient to provide valuable answers but we need to increase the depth of calculation by 20 times to about 6400 operations. This can likely happen by 2027.