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About the Role
Participate in designing, developing, and experimentally validating cutting-edge photonic systems, working with photonic chips that include networks of high-speed electro-optic modulators and integrated balanced homodyne detectors, with a focus on high-efficiency pulsed homodyne detection and pulsed quantum homodyne tomography.
Responsibilities
- Design, build, and upgrade complex optical laboratory experiments to characterize the performance of photonic integrated chips with electro-optic elements, using continuous-wave and pulsed laser light.
- Characterize and benchmark the performance of integrated balanced homodyne detectors for pulsed signals, with bandwidths in the hundreds of MHz regime.
- Design and build new characterization strategies as needed, to fit evolving optical/electrical requirements.
- Measure figures of merit including detection efficiency, noise clearance, effective bandwidth, common-mode rejection, and cross-talk.
- Benchmark and drive further development of signal processing techniques for pulsed homodyne detection & homodyne tomography of quantum states of light.
- Maintain up-to-date familiarity with research trends in measuring quantum states of light.
- Implement and maintain optical phase-locked loops and related frequency/phase stabilization.
- Design and troubleshoot chip control electronics, PID controllers, and high-precision locking schemes for ultra-stable electronic and optical systems.
- Contribute to the development and assessment of new phase-locking and calibration protocols.
- Closely collaborate with PIC development, electrical, mechanical, and software engineering teams to ensure successful module integration.
- Generate detailed technical documentation, including design specifications, test procedures, characterization reports, and operational manuals.
Requirements
- Hands-on experimental optics lab experience, with knowledge in integrated optics & fibre optics, locking optical interferometers & noise characterization.
- Direct experience with homodyne detection of optical signals.
- Working familiarity with opto-electronic detectors and transimpedance amplifiers.
- Sound understanding of common RF electronics & electro-optic modulator concepts.
Skills
- Integrated optics
- Fibre optics
- Locking optical interferometers
- Noise characterization
- Homodyne detection
- Pulsed homodyne detection
- Opto-electronic detectors
- Transimpedance amplifiers
- RF electronics
- Electro-optic modulator concepts
- Quantum Optics
- Photonics
- AMO
- Electrical Engineering
- Optical quantum computing
- Thin-film lithium niobate modulators
- Waveguide-integrated photodiodes
- Pulsed homodyne detection
- Homodyne tomography of quantum optical states
- Python scripting
- Instrument control
- Hardware interfacing
- Automated data acquisition
- Mathematical modeling of physical systems
- Analytical tools
- Numerical tools
- Advanced signal processing techniques
- Co-Packaged Optics (CPO)
Location
- Remote
Work Type
- Full-time
Experience Level
- Senior
- Greater than 4 years of experience in quantum computing (particularly in optical quantum computing); thin-film lithium niobate modulators; or waveguide-integrated photodiodes.
Education Level
- Ph.D. in Quantum Optics, Photonics, AMO, Electrical Engineering or a closely related field.
Salary/Compensations
- 130,000 - 180,000 CAD
Benefits
- Equity
- Benefits
About the Company
- Xanadu’s mission is to build quantum computers that are useful and available to people everywhere.
- We are learners, innovators, researchers, collaborators and problem solvers.
- We are creating something that has never been built before.
- We are developing technologies that will solve some of the world’s most challenging problems and change the world.
- Learn more about our values here [https://www.xanadu.ai/values/].
Equal Opportunity
- We are an equal opportunity employer and encourage candidates of all backgrounds to apply.
- We are committed to building an inclusive, safe, and equitable culture and fostering an environment where our employees feel included, valued, and heard.
- We are committed to meeting the needs of all individuals and support a barrier-free workplace.
- Should you require accommodations at any point during the recruitment process please contact Recruiting at recruiting@xanadu.ai [recruiting@xanadu.ai].
- Please be advised that we may use artificial intelligence (AI) tools to assist in the screening and assessment of applicants for this position. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.