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Updated: Aug 4, 2025

Fabrication and Testing of Photonic Thermometers

Fabrication and Testing of Photonic Thermometers

Published on: October 24, 2018

Integrating planar photonics for multi-beam generation and atomic clock packaging on chip.

Chad Ropp^1,2, Wenqi Zhu¹, Alexander Yulaev^1,2

¹Physical Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD, 20899, USA.

Light, Science & Applications

|April 3, 2023

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Researchers developed a compact strontium atomic clock using integrated photonics and metasurfaces. This scalable optical platform enables manufacturable atomic technologies by integrating multiple laser beams on a single chip.

Area of Science:

Atomic, Molecular, and Optical Physics
Integrated Photonics
Metasurface Optics

Background:

Commercialization of atomic technologies necessitates miniaturization of laser systems.
Integrated photonics and metasurfaces offer solutions for compact optical platforms.
Free-space beam arrangements are challenging to integrate onto chips.

Purpose of the Study:

To demonstrate an integrated optical architecture for a compact strontium atomic clock.
To combine integrated photonics and metasurface optics using flip-chip bonding.
To showcase the scalability of the integrated photonic platform for diverse beam configurations.

Main Methods:

Developed a planar integrated optical architecture using flip-chip bonding.
Incorporated twelve beams for two co-aligned magneto-optical traps.

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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Related Experiment Videos

Last Updated: Aug 4, 2025

Fabrication and Testing of Photonic Thermometers

Fabrication and Testing of Photonic Thermometers

Published on: October 24, 2018

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Integrated collinear beams at lattice and clock wavelengths for atomic probing.

Main Results:

Demonstrated a compact strontium atomic clock architecture on a chip.
Generated intersecting beams with diameters up to 1 cm above the chip.
Probed the magneto-optical trap center with collinear beams of ≈100 µm diameter.

Conclusions:

The integrated photonic platform is scalable for arbitrary numbers of beams.
The demonstrated architecture supports beams with varying wavelengths, geometries, and polarizations.
This approach facilitates the development of manufacturable, compact atomic clocks and related technologies.