PhD in Physics, Optics, Electrical Engineering, or related field (or MS with equivalent experience)
Hands-on experience with nonlinear optics and/or quantum optics in laboratory settings
Extensive experience with spectroscopic-grade laser systems
Proficient in building and troubleshooting optical setups
Exposure to single-photon sources and timing electronics
Experience with optical design tools like Zemax/OpticStudio
Familiarity with Python for coding and experiment control
Responsibilities
Design and assemble low-noise, phase-coherent quantum frequency conversion modules
Characterize quantum frequency conversion systems for qubit exchange
Implement efficient bandwidth exchange methods between broadband and narrowband photons
Focus on nonlinear optics within the photonics team
Collaborate on free-space and integrated photonics approaches
Benefits
Comprehensive health coverage including medical, dental, vision, and prescription plans
401(k) retirement plan
Equity participation through stock options for all new hires
Flexible time off: unlimited PTO, sick leave, and 11 paid holidays
Employee support benefits including EAP, caregiver support, and healthcare advocacy
Full Job Description
Quantum Photonics Engineer
Work Location
This is a full-time, onsite position based in Boston, MA.
About the role
Qunett is seeking a Photonics Engineer to contribute to the photonics team building entangled photon sources and quantum frequency conversion systems. This role is highly hands-on, focused on designing, assembling, and characterizing low-noise, phase-coherent, quantum frequency conversion modules for qubit exchange between telecom and visible wavelengths. Efficient methods of bandwidth exchange between broadband photons from SPDC and narrowband light appropriate for color-center qubits will be essential. Free-space implementation and/or integrated photonics approaches are envisioned. This role will focus on nonlinear optics and quantum frequency conversion within the broader photonics efforts at Qunett.
Required qualifications
PhD in Physics, Optics, Electrical Engineering, or related field (or MS with equivalent experience)
Hands-on experience with nonlinear optics and/or quantum optics in laboratory settings
Extensive experience working with spectroscopic-grade laser systems (alignment, safety, modulation, stabilization fundamentals)
Experience building and troubleshooting optical setups: free-space and fiber coupling, ABCD matrix analysis and implementation, beam shaping, polarization management, interferometers, and low-noise detection
Exposure to single-photon sources and/or single-photon detectors (e.g., SNSPDs/APDs), timing electronics, and basic coincidence measurements
Experience using optical design / engineering tools (e.g., Zemax/OpticStudio or equivalent) to design, tolerance, and iterate optical layouts
Familiarity with modern software/AI-assisted tools for coding, optimization, and experiment control (e.g., Python-based analysis and automation)
Preferred qualifications
Experience with SPDC-based entangled photon sources (Sagnac or interferometric geometries), biphoton characterization, and/or HOM-type interference measurements
Experience with wavelength-division multiplexing concepts (filters, DWDM components), insertion-loss management, and polarization gates
Experience with laser spectroscopy in solid-state, atomic, or ion systems
Exposure to micro/nanofabrication or photonic device integration
Familiarity with quantum networking requirements (entanglement distribution, link budgets, interface constraints)
Benefits
Comprehensive health coverage including medical, dental, vision, and prescription plans
401(k) retirement plan
Equity participation through stock options for all new hires
Flexible time off: unlimited PTO, sick leave, and 11 paid holidays
Employee support benefits including EAP, caregiver support, healthcare advocacy, and more
