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THE QUANTUM BRIEFING · VOLUME XXXII

What the new numbers—and the new experiments—actually show

An experiment swaps the usual roles of light and matter. A company’s financial results show how an acquisition changes the meaning of its revenue. And a quantum-networking result shows why a high-quality state is only one part of a useful connection. These three stories explain what the new evidence establishes, and the next result worth watching.

Published · Los Angeles · 3 selected stories
01 / SELECTED REPORTING
A circular semiconductor wafer contains a dense grid of patterned circuits against a black background.
A Google/SkyWater multi-project wafer, archived in 2024. This is manufacturing context, not a photograph of an IonQ 2026 product. John McMaster · CC BY 4.0

IonQ’s revenue jumped. Nearly half came from a chip foundry

IonQ reported $173.8 million in third-quarter revenue. SkyWater Foundry Services supplied $83.5 million, about 48%, showing how an acquisition changed the shape of the business.

Revenue growth, operating loss and accounting profit answer different questions. The issuer’s financial statements do not establish quantum-computing performance.

IonQ Q3 earnings release ↗
02 / SELECTED REPORTING
A person wearing protective glasses works behind the optics and cables of an atom-cooling laboratory.
An atom-cooling and trapping laboratory photographed in 2015. Archival context for light controlling atoms; this is not the UCSB experiment or its researchers. Tomasz Kawalec · CC BY-SA 4.0

Mirrors made of light let physicists imitate a black-hole horizon

Physicists swapped the usual roles of light and matter: a wave of ultracold atoms sat between light barriers, with one barrier moving to reveal horizon-like wave dynamics.

Physical Review Letters published the paper November 4 after a January preprint. This is an analogue experiment, not a gravitational black hole.

Physical Review Letters paper ↗
03 / SELECTED REPORTING
Illuminated optical fibers spread out in a fan against a dark blue background.
Illuminated optical fibers photographed in 2017. Context image; it does not show the USTC apparatus or invisible 1530-nanometer photons. Bquast · CC0 1.0

A single atom makes a quantum link at a fiber-friendly wavelength

A rubidium atom became entangled with a photon emitted directly at a wavelength suited to optical fiber. The result connects a stationary quantum system with a traveling messenger.

The November 4 accepted manuscript reports state quality and Bell correlations. Photon collection remains a limitation in the August preprint; this is not a deployed network.

Nature Communications accepted manuscript ↗

What would the next useful result need to show?

Look for technical and customer results behind company growth, a clear boundary around the horizon analogy, and better photon collection alongside quantum-state quality.

Compare the recorded evidence →
Further reading

From the headlines to the physics

Choose a research story, see how the science works or try a worked example.

Reader guide

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Sources and what they show (1)