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Vector Atomic

High-precision atomic clocks and inertial sensors

Laser Scientist

Electrical EngineeringUpdated on Nov 13
Full-timePleasanton, CA, USA

About the Job

Requirements

  • At least 3 years of professional experience working with ultra-stable cavities, frequency combs, or atomic clocks.
  • A PhD in Physics, Electrical Engineering, or a related field, focused on atomic or optical physics, frequency metrology, or integrated photonics.
  • Hands-on experience measuring relative intensity noise, frequency noise, and phase noise using Phase Noise Analyzers and high-speed radio-frequency equipment.
  • Experience with supercontinuum generation or second-harmonic generation in bulk crystals, nonlinear fibers, or integrated waveguides.
  • Proficiency in fiber fusion splicing, including polarization-maintaining or specialty fibers, fiber spooling, and high-tolerance free-space assembly.
  • Ability to communicate effectively with coworkers and collaborators, both in writing and verbally.
  • Ability to work independently on assigned activities while collaborating within multidisciplinary teams.
  • To comply with U.S. export control laws, employees must be U.S. citizens, lawful U.S. permanent residents, or certain categories of refugees and asylees.
  • Ability to work onsite full-time in Pleasanton, California.

Responsibilities

  • Develop custom laser systems, from fiber-based oscillators to integrated chip-scale architectures.
  • Design and simulate photonic integrated circuit layouts optimized for high-Q micro-resonators and dispersion-engineered nonlinear optics using materials such as silicon nitride, thin-film lithium niobate, and tantala.
  • Architect the migration of frequency combs and low-noise systems from discrete fiber and free-space components to photonic integrated circuit platforms.
  • Build and characterize conventional systems, including fiber spooling, master oscillator power amplifier configurations, and discrete nonlinear conversion stages.
  • Characterize frequency noise, phase noise, and Allan deviation at benchtop and chip levels.
  • Develop testing protocols for stabilization architectures, including Pound-Drever-Hall locking and f-2f self-referencing.
  • Partner with hardware teams to integrate laser systems into atomic clocks and quantum timing sensors.

Desired Qualifications

  • Proficiency with simulation suites such as Lumerical (FDTD/MODE) or COMSOL for designing waveguides and resonators.
  • Deep understanding of mode-locked lasers and carrier-envelope offset detection and stabilization.
  • Practical experience with chip-level probing and edge or grating coupling, specifically for silicon nitride, thin-film lithium niobate, or tantala.
  • Strong understanding of proportional-integral-derivative control loops, high-bandwidth feedback, and low-noise frequency or power controllers.
  • Proficiency in Python or MATLAB for automating optical characterization and processing high-bandwidth noise data.
  • Experience with high-efficiency laser-to-chip integration and coupling techniques.

About the Company

Vector Atomic

High-precision atomic clocks and inertial sensors

Vector Atomic builds high-performance quantum sensing devices for GPS-free timing and navigation, including optical atomic clocks, gyroscopes, gravimeters, and synchronization hardware for harsh environments on land, at sea, and in space. Its products use atomic transitions to provide picosecond-level timing and precise motion data, enabling secure navigation when GPS is unavailable. It differentiates itself through deep physics expertise, government contracting, and turning lab quantum devices into field-ready products, while remaining 100% employee-owned; it was acquired by IonQ to combine sensing with computing and networking. Its goal is to accelerate deployment of GPS-free navigation and secure quantum-enabled communication by integrating sensing with broader quantum platforms for government and commercial markets.

Company size
51-200
Company stage
Acquired
Total funding
$6.8M
Headquarters
Pleasanton, CA
Founded
2018

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