Infleqtion
Quantum Technology
FrequencyCombPhotonicsEngineer
Neural analysis suggests this role is
optimal for Mid+ candidates.
“Frequency Comb Photonics Engineer at Infleqtion. Skills: Optical frequency combs, Photonics, Laser physics, Optical measurement. Develop optical frequency comb systems. Test optical frequency comb systems”
Industry & Context.
Troubleshoot optical test setups
What They're Looking For.
Must Have
PhD in Photonics or Optoelectronics, Experience developing optical frequency combs, Experience with laser physics, Experience with nonlinear optics, Experience with optical resonators, Experience with optical frequency stabilisation, Experience with precision optical measurement techniques, Hands-on experience with optical laboratory equipment, Experience measuring laser or comb performance, Ability to design optical test setups, Ability to align optical test setups, Ability to troubleshoot optical test setups, Ability to optimise optical test setups, Data analysis skills using Python, MATLAB, or LabVIEW, Ability to work in multidisciplinary environment, Good verbal communication skills, Good written communication skills
Nice to Have
Experience with integrated photonics, Experience with silicon photonics, Experience with PIC-based frequency comb technologies, Experience with microresonator frequency combs, Experience with Kerr combs, Experience with electro-optic combs, Experience with mode-locked laser systems, Familiarity with photonics simulation tools, Familiarity with photonics layout tools, Experience with laser stabilisation, Experience with optical phase locking, Experience with frequency transfer, Experience with optical clock systems, Knowledge of quantum systems, Knowledge of atomic physics, Knowledge of atom addressing, Knowledge of quantum sensing, Knowledge of quantum networking, Experience developing automated optical test stations, Experience developing hardware-control software, Familiarity with RF/microwave measurement techniques, Familiarity with high-speed photonic systems, Experience working with foundries, Experience working with photonic packaging partners, Experience working with external device suppliers, Understanding of laser safety, Understanding of HSE practices
What You'll Do.
Develop optical frequency comb systems
Test optical frequency comb systems
Characterise optical frequency comb systems
Support design of photonic components
Support testing of photonic components
Build optical test setups
Operate optical test setups
Characterise frequency combs
Stabilize frequency combs
Validate frequency comb performance
Perform laser characterisation
Measure optical spectra
Measure frequency noise
Measure relative intensity noise
Characterise modulated laser systems
Perform high-speed waveform measurements
Develop automated test methods
Develop data analysis workflows
Integrate frequency comb technologies
Work with external foundries
Work with packaging partners
Document experimental results
Generate technical reports
Support risk assessments
Support safe operating procedures
Support good laboratory practice
How You'll Work.
Team & Collaboration
Photonics teams; Quantum systems teams; Electronics teams; Software teams; Multidisciplinary teams; Matrixed technical environment
Communication Scope
Share technical information
Full Job Description
ABOUT US Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through our ecosystem of devices and platforms. Our mission is to commercialise atom-based quantum products that provide orders of magnitude improvements in performance and computing applications. LOCATION Infleqtion has offices in the USA, United Kingdom, and Australia. This is a full-time position mainly in our Kidlington, Oxford office with the occasional requirement to be in the National Quantum Computing Centre, Harwell. Work from home permitted up to 2 days per week based on business needs and manager approval. POSITION SUMMARY Infleqtion UK is seeking a Frequency Comb Photonics Engineer to support the development, characterisation, and integration of optical frequency comb technologies for quantum systems. This is a hands-on technical role focused on designing, building, testing, and optimising frequency comb systems, including micro-comb and PIC-based approaches. The successful candidate will work closely with photonics, quantum systems, electronics, and software teams to evaluate how compact frequency comb technologies can support applications such as precision timing, sensing, laser stabilisation, atom addressing, and quantum system integration. JOB RESPONSIBILITIES The duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned. * Develop, test, and characterise optical frequency comb systems for quantum technology applications. * Support design and testing of photonic components relevant to comb generation, including resonators, lasers, modu
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