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COMPANY RESEARCH · Enabling technology

Silent Waves

Silent Waves develops amplifiers that strengthen weak microwave signals from quantum devices while adding little noise. Its catalog spans standalone units, a compact amplifier-and-coupler package and an integrated cryogenic readout chain. The products serve the measurement layer surrounding a processor rather than acting as processors themselves.

Official website ↗
France · Research brief reviewed 22 Sept 2026

Initial record: initial research brief recorded.

Review history 1 record

Record dates use UTC and show when an assessment or clarification was saved. Review dates show the evidence check. Earlier records were recovered from QubitWire’s source history; no earlier score movement is inferred.

  1. Initial research brief recorded

    Research reviewed 22 Sept 2026

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    Sources in this record (2)
Identity & attribution
Organization record
Silent Waves (organization-silent-waves)
Recorded role
Enabling Technologies, Cloud & Infrastructure
Recorded aliases
No aliases recorded in this assessment.
Name and period
No dated name or ownership transition is recorded here. An alias is a search aid, not evidence of a legal ownership relationship.
Product scope
Traveling-wave parametric microwave amplifiers and integrated cryogenic readout hardware.

A company profile may discuss several systems. Capabilities remain attached to the product and conditions named in each source; they do not transfer automatically to related organizations. A verified security relationship has not been attached to this record.

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TECHNOLOGY & ACCESS

What it does. Where it fits.

Traveling-wave parametric microwave amplifiers and integrated cryogenic readout hardware.

Who should look closer

Editorial assessment: Experimental teams comparing cryogenic readout components and balancing bandwidth, gain, saturation, installation complexity and available space.

QubitWire’s editorial assessment of practical fit.

Configured products and quotations

The catalog lists Argo, Carthago, Zephyr and Dreadnought with brochure and quotation routes. The exact configuration and operating conditions should be confirmed before comparing specifications.

Check the current access route ↗
DOCUMENTED EVIDENCE

What the sources establish

The company documents multiple amplifier and integration products. The European Commission also lists Silent Waves in SQELETON, a project to develop a combined amplifier and isolator for qubit readout.

silent-waves.com ↗cordis.europa.eu ↗

What remains unresolved

A project award is development evidence, not a completed-product test. Amplifier gain or noise does not by itself measure processor readout fidelity; cables, loss and integration also matter.

The next question to watch

Can integrated readout arrangements retain the required noise and bandwidth in independently operated systems with repeatable calibration?

A research question, not a promised milestone.

QubitWire coverage

No published QubitWire stories currently match this organization. The evidence sources below provide the starting point.

Open research questions

Editorial questions for this profile. No reviewed closure decision has been recorded; unanswered questions do not lower the official score.

Open research question

Can integrated readout arrangements retain the required noise and bandwidth in independently operated systems with repeatable calibration?

What evidence would help

A source addressing this question must identify the named system, experiment or deployment, its conditions, measured outcome and remaining limitations. Are performance limits stated under realistic loads and operating conditions?

What would resolve it?

An editorial review must explain which part of this question the evidence resolves. A roadmap or an announcement alone does not close it.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Which named system or service can I use under the documented access route?

What evidence would help

Check the current terms for configured products and quotations. Identify the system version, eligibility, restrictions and whether the result used hardware or simulation.

What would resolve it?

Current primary documentation must identify the offering, eligible user and access conditions. An unspecified company-level access claim is insufficient.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Are performance limits stated under realistic loads and operating conditions?

What evidence would help

Provide the source location, relevant product or generation, workload, resource constraints and reported uncertainty. Keep measurements, simulations and announced targets distinct.

What would resolve it?

A source reviewer must map the evidence to this exact scope. Missing disclosure remains unknown; it is not technical failure.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence

Questions are drawn from the existing brief and sector reading guide. Research brief reviewed 22 Sept 2026. Following stores a local bookmark; it does not send email alerts or imply a scheduled review.

Since your review

Scope: Silent Waves. Reading a page never marks its records reviewed.

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CHECK THE ORIGINALS

Sources & evidence

  1. Silent Waves product catalog ↗Official company information · Publication date not stated

    Separates standalone amplifiers, compact coupler integration and a cryogenic readout-chain product.

  2. SQELETON project record ↗European Commission project record · Publication date not stated

    Documents the amplifier-isolator development project and company role.