QphoX develops a quantum modem device to connect quantum computers over a quantum network. Its core technology is a quantum transducer that couples microwave photons from quantum processors with optical telecom photons through a mechanical intermediary resonator, enabling conversion of quantum information between the microwave (processor) domain and the optical (fiber) domain. This design helps reduce transmission loss and raises fidelity when sending quantum states between nodes. The device acts as a bridge between superconducting or other microwave-based quantum hardware and optical networks, providing a hardware-first solution for building scalable quantum networks. Compared with other approaches, QphoX emphasizes explicit microwave-to-optical conversion via a mechanical resonator to enable more reliable long-distance quantum communication, aiming to accelerate the realization of a practical quantum internet.
Company Size
11-50
Company Stage
Grant
Total Funding
$14.6M
Headquarters
Delft, Netherlands
Founded
2021
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