GB/T 48222-2026Technical specification for quantum squeezed light sources (English PDF)

GB/T 48222-2026 is the English-translated version of 量子压缩光源技术规范.

This technical specification covers quantum squeezed light sources, devices that generate light with reduced noise in one quantity at the expense of another, a resource used in quantum metrology, quantum communication, and precision sensing. The standard supports a field that is still developing, where common terminology and a shared basis for describing devices are valuable.

Research laboratories, manufacturers of quantum optical equipment, system developers, and procurement teams are the likely readers, as are test and calibration bodies that need to evaluate such sources. It is a recommended national standard (GB/T), so it is voluntary unless adopted by a contract or project.

It is a domestic Chinese document on an emerging technology. Organizations that develop or purchase squeezed light sources for the Chinese market can use it as a reference point when comparing devices and when writing procurement requirements. It takes effect on 1 April 2027.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

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