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Compact laser modulation system for a transportable atomic gravimeter.

A López-Vázquez, M A Maldonado, E Gomez

|February 14, 2023

Summary

This summary is machine-generated.

We developed a compact laser system for atomic gravimetry using a single diode laser and minimal components. This simplified laser source is crucial for advancing transportable quantum sensors like atomic clocks and gravimeters.

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Area of Science:

Quantum Sensing
Atomic Physics
Laser Systems Engineering

Background:

Atom-based quantum sensors are transitioning from lab to field applications.
Field deployment necessitates compact, robust, and simplified laser systems.
Existing laser systems for quantum sensors can be complex and bulky.

Purpose of the Study:

To realize a compact laser system specifically for atomic gravimetry.
To demonstrate the system's capability for atomic fountain configurations.
To advance the development of transportable atom-based quantum sensors.

Main Methods:

Utilized a single 780 nm diode laser as the foundational source.
Integrated one fiber electro-optical modulator and one acousto-optical modulator.
Incorporated a laser amplifier to generate all required frequencies for a Rb-87 atomic gravimeter.

Main Results:

Successfully produced all necessary laser frequencies for atomic gravimetry from a single laser source.
Demonstrated the system's compatibility with atomic fountain configurations.
Achieved significant simplification in the laser source design.

Conclusions:

The developed modulated laser system represents a substantial advance for transportable quantum sensors.
This simplified laser source can be adapted for various sensors including atomic clocks, accelerometers, gyroscopes, and magnetometers.
The system facilitates the broader adoption of atom-based quantum sensing in field applications.