Senior Photonics Engineer: Quantum Optics & Nonlinear Light

Xanadu Quantum Technologies Inc.; Toronto; On-site; CAD 150,000 - 180,000; Full time

Benefits offered by this job

Equity

Benefits

Job summary

Xanadu Quantum Technologies Inc. is seeking a Senior Photonics Engineer to advance experimental nonlinear optics for scalable quantum light sources on integrated nanophotonic platforms.

You will design, build, and operate complex optical experiments, and drive data analysis to optimize devices for photonic quantum computers. The role emphasizes squeezed light generation, PIC characterization, and autonomous experiment design.

Qualifications

• Strong familiarity with squeezed light, photon pair generation, and single-photon detection.
• Proficiency in homodyne/heterodyne detection and shot noise-limited measurement.
• Experience with laser and resonator locking (Pound-Drever-Hall, dither locking).
• Ability to build and troubleshoot experiments using RF and opto-electronic equipment.

Responsibilities

• Experimental Design: Build and upgrade complex optical lab experiments to generate and measure squeezed vacuum.
• Benchmarking: Benchmark experiments against nonlinear simulations and analytical models.
• Characterization: Characterize photonic integrated chips with thermal and electro-optic elements using CW and pulsed laser light.
• Documentation: Generate detailed technical documentation, design specs, test procedures, and manuals.

Skills

Quantum optics

Coherent detection

Control theory

Laboratory proficiency

Electronics

Programming (Python)

Modeling

Education

Ph.D. in Quantum Optics, Photonics, AMO or related field

Tools

Oscilloscopes

Spectrum analyzers

Photodiodes

Job description

Xanadu Quantum Technologies Inc. is seeking a Senior Photonics Engineer to advance experimental nonlinear optics for scalable quantum light sources on integrated nanophotonic platforms.

You will design, build, and operate complex optical experiments, and drive data analysis to optimize devices for photonic quantum computers. The role emphasizes squeezed light generation, PIC characterization, and autonomous experiment design.