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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
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Related Experiment Video

Updated: Jan 22, 2026

$On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature$

On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature

Published on: March 11, 2022

Chip-scale atomic diffractive optical elements.

Liron Stern^1,2, Douglas G Bopp^3,4, Susan A Schima³

¹National Institute of Standards and Technology, Time & Frequency Division, 325 Broadway, Boulder, CO, 80305, USA. liron.stern@nist.gov.

Nature Communications

|July 19, 2019

Summary

This summary is machine-generated.

We developed chip-scale quantum diffractive optical elements by hybridizing atomic vapors with thin optical devices. These elements map atomic states to light patterns, enabling new compact quantum-optical devices.

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Area of Science:

Quantum optics
Materials science
Nanophotonics

Background:

Atomic vapors offer efficient light-matter interaction and discrete energy levels, crucial for quantum technologies like sensors and timekeeping.
Thin optical elements with microscale features provide precise control over light properties.

Purpose of the Study:

To hybridize atomic vapors with chip-scale diffractive optical elements.
To demonstrate novel quantum-optical devices with enhanced functionality.
To explore new material systems for compact quantum applications.

Main Methods:

Fabrication of chip-scale diffractive optical elements (lamellar gratings and Fresnel lenses).
Integration of atomic vapors with these diffractive elements.
Characterization of light-matter interactions and optical behaviors.

Main Results:

Demonstrated chip-scale quantum diffractive optical elements that map atomic states to spatial light distributions.
Observed strong frequency-dependent, non-linear, and magneto-optic behaviors in hybridized elements.
Showcased the potential for enhanced functionality compared to traditional vapor cells.

Conclusions:

Hybridizing atomic vapors with diffractive optics creates a powerful quantum material platform.
This approach enables the development of compact, thin quantum-optical elements.
Provides design tools for future chip-scale atomic diffractive optical elements.