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QphoX

Quantum modem enabling microwave-optical quantum links

RF Electronics Engineer

RF & Microwave EngineeringConfirmed live in the last 24 hours
Full-timeDelft, NetherlandsIn-person

About the Job

Requirements

  • A master's degree in electrical engineering, physics, or a related subject.
  • At least 2 years of industry or applied research experience in one or more of RF circuit design, RF systems engineering, or RF test and measurement.
  • A proven track record in conceptualization and design of high-frequency electronic circuits, components, and interconnects.
  • Advanced to expert knowledge of electromagnetic field solver software such as Ansys HFSS, Cadence AWR, SONNET, and COMSOL.
  • Proficiency in practical characterization and testing of microwave devices using laboratory equipment such as oscilloscopes, vector network analyzers, and spectrum analyzers.
  • Experience designing analog electronic circuits and PCB-based RF solutions.
  • Ability to work collaboratively with interdisciplinary teams.
  • An organized and rigorous working style.

Responsibilities

  • Simulate, design, and measure ICs, PCBs, and interconnects for high-integrity delivery and detection of RF signals in the SHF band, for room-temperature and cryogenic hardware.
  • Develop circuitry for impedance matching of electro-optic and optoelectronic converters.
  • Analyze, summarize, and present results through reports, presentations, and technical discussions.
  • Collaborate closely with a diverse, multidisciplinary team of scientists and engineers.

Desired Qualifications

  • Experience with Altium is an advantage.

About the Company

QphoX

Quantum modem enabling microwave-optical quantum links

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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