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GCRI · التقنيات الكمية

الاستشعار الكمومي

Quantum sensors use the sensitivity of quantum states to measure time, magnetic fields, gravity, acceleration and rotation with high precision. Atomic clocks already underpin navigation and networks; newer sensors could support navigation without satellites, medical imaging and underground mapping. This page sets out how quantum sensing works, how mature each application is, and what evidence serves the agencies and industries considering it.

02السؤال

Quantum sensing: how the risk develops.

Measurement, navigation and Earth-science applications. The dossier below sets out how the risk develops, what is measured, where the data come from, how it is modelled and who decides.

الآلية

Atoms keep precise time

Atomic clocks use transitions between atomic energy levels as frequency references. They underpin satellite navigation, telecommunications and financial timestamps.

الآلية

Interference measures motion and gravity

Atom interferometers split and recombine matter waves to measure acceleration, rotation and gravity, with potential for navigation and subsurface mapping.

الآلية

Defects sense magnetic fields

Defects in diamond and other النظم sense tiny magnetic fields at small scales, with uses in materials science and biology.

الآلية

Field use is hard

Laboratory sensitivity often degrades in the field because of vibration, temperature and size constraints. Ruggedising sensors is a major engineering challenge.

03الرصد

Quantum testbed.

الشاشة التي قد يستخدمها فريق لمتابعة هذا الموضوع: مقاييسه وحالاته وقراراته. والأسماء أمثلة والقيم توضيحية.

Quantum testbed

Quantum sensing · Testbed lab · Device QD-91

Calibration cycleGCRI · التقنيات الكمية

الكيوبتات

Q0166940.02In spec
Q1102350.04In spec
Q2178570.05Drifting
Q362320.02In spec
Q4100950.03Drifting

Device

Topology
heavy-hex, illustrative
2Q fidelity
0.994
الوصول
by committee
الوسم
مرصود
Quantum testbed: the screen’s structure, terms and states for Quantum sensing.أسماء مثالية وقيم توضيحية؛ تصميم وليس سجلًا ولا نظامًا حيًا.
04عبر المجالات

Quantum sensors could change measurement in several domains.

05الأساليب والأدلة

How quantum sensing is modelled, measured and tested.

النموذج وافتراضاته وبياناته وعدم اليقين فيه، بالصورة التي يفحصها بها عالم أو مهندس. وتتبع البنى أساليب منشورة. والقيم المرسومة توضيحية، وليست نتائج.

نموذج النظام

The couplings between the systems in quantum sensing: signs of influence, a reinforcing and a balancing loop, and cross-links where stress jumps.

++−+التكنولوجيا الكميةالفضاء السيبرانيالمجتمعاتالاقتصاد⁨R⁩ معزِّزة⁨B⁩ موازِنة
Causal loop diagram from the page’s systems; signs show the direction of influence. Illustrative structure for a system dynamics or network model, not estimated couplings.
مبادئ FAIR التوجيهية · GO FAIR وFORCE11⁨W3C PROV⁩ · اتحاد الشبكة العالميةإرشادات بشأن المعالجة المتسقة لأوجه عدم اليقين · الهيئة الحكومية الدولية المعنية بتغير المناخبيانات CEOS الجاهزة للتحليل · لجنة سواتل رصد الأرض
06المؤشرات الفرعية

ما الذي يُقاس، ومدى جودة قياسه.

يحمل كل مؤشر وحدته ووتيرته ونوع المصدر الذي يستند إليه ووسم الأدلة الذي ستحمله القيمة. ولا تُعرض أي قيم: فالبرنامج يقدّمها بموجب سلطته الخاصة.

المؤشرالوحدةوتيرة الإصدارنوع المصدرالوسم
Clock fractional frequency uncertaintydimensionlessper publicationMetrology institute resultsمرصود
Sensor sensitivityunits per square root of hertzper devicePublished characterisationمُبلَّغ عنه
Field trials of quantum navigationالعددسنويAgency and research reportsمُبلَّغ عنه
Technology readiness level by applicationreadiness levelلكل تقييمExpert assessmentsمُقدَّر
Size, weight and power of deployed sensorskilograms and wattsper deviceProduct specificationsمُعلَن
Commercially available quantum sensor productscount by typeسنويMarket surveysمُبلَّغ عنه
07المصادر

من أين تأتي الأدلة.

مجموعات بيانات عامة مسمّاة وسجلات مؤسسية، لكلٍّ منها فئة ترخيصها. ولا تُستخدم المصادر المتاحة بموجب اتفاق إلا وفق شروطها، ولا يُعاد نشرها أبدًا.

المصدرما يقدّمهفئة الترخيص
BIPM and national metrology institute publicationsTime standards and clock comparisonsPublic, terms per institute
Peer-reviewed sensing literatureExperimental sensitivities and demonstrationsLicence per article
Defence and transport agency reports on alternative navigationAssessments of quantum navigation optionsPublic, terms per agency
OECD quantum technologies policy workOverview of sensing applications and policyPublic, OECD terms
Market surveys of quantum sensingProducts and firmsCommercial; public summaries (to check)
08القرارات

من يقرر، وما الذي تخدمه الأدلة.

Quantum Technologies prepares evidence. The decisions below are taken by the authorities named, under their own rules, and never by the platform.

من يقررالسؤالالأدلة التي تخدمها هذه الصفحة
Transport and navigation authoritiesWhether quantum sensors can reduce dependence on satellite navigationReadiness assessments; field trial evidence
Metrology institutesHow to develop and disseminate time and frequency standardsClock performance evidence
Industry and health النظمWhere quantum sensors offer practical benefitApplication comparisons

المخرجات التي يُنتجها هذا الموضوع

  • Readiness assessments by sensing application
  • Comparisons of quantum and classical sensor options
  • Evidence notes on navigation resilience
  • Field trial review frameworks
09الأسئلة الجوهرية

ما يسأل عنه الخبراء.

Sensing questions concern precision, robustness and use outside the laboratory.

  • How much better than classical instruments is a quantum sensor in real operating conditions?
  • Can it be made small, robust and affordable enough for field use?
  • Could quantum inertial sensors and clocks provide navigation when satellite signals are lost or jammed?
  • What could quantum gravimeters and magnetometers reveal about groundwater, geology and infrastructure?
  • What are the dual-use implications, for example for detecting submarines or underground structures?
10الآليات

الآليات والمحرّكات.

Quantum sensors exploit the fact that quantum states are disturbed by tiny changes in their environment. Atomic clocks measure time by the frequency of atomic transitions. Atom interferometers split and recombine clouds of cold atoms to measure acceleration and gravity. Defects in diamond and other materials act as nanoscale magnetometers. The same sensitivity that gives precision also makes sensors vulnerable to noise, vibration and temperature changes.

The step from laboratory to field is the main challenge. Many quantum sensors require lasers, vacuum النظم and careful isolation. Engineering progress is reducing size and power, but performance in a moving vehicle or harsh environment is often well below laboratory results.

11المناهج والبيانات

كيف يُدرس، وأين تتوقف المناهج.

المنهج أو البياناتما يُظهرهالحدود
Laboratory metrologyFundamental sensitivity and stabilityLaboratory performance rarely transfers directly to the field
Field trialsPerformance in vehicles, aircraft, boreholes or shipsFew trials, often reported by developers
Comparison with classical sensorsWhether the quantum device adds real valueClassical sensors also improve
Earth observation data fusionCombining quantum gravimetry with satellite and ground dataInterpretation depends on geophysical models
13Where this page’s references

Where this page’s references lead.

الهيئات والوثائق التي تُقرأ هذه الصفحة في ضوئها. وتتغير الحالات والإصدارات؛ ويقود كل رابط إلى الهيئة المُصدِرة.

14أسئلة

أسئلة وأجوبة.

What is a quantum sensor?
A device that uses quantum states, such as atomic energy levels or superposition, to measure physical quantities with high precision.
Are atomic clocks quantum technology?
Yes. They use quantum transitions in atoms and have been in use for decades, underpinning satellite navigation and network timing.
Can quantum sensors replace GPS?
Quantum inertial sensors and clocks could support navigation when satellite signals are unavailable, but field systems are still being developed and tested.
Is quantum sensing already in use?
Yes, in some forms. Atomic clocks are long established. Newer sensors such as quantum gravimeters and magnetometers are in research, trials and early commercial use.
Could quantum sensors replace satellite navigation?
Not entirely. Quantum inertial sensors could reduce drift when satellite signals are unavailable, but they measure motion relative to a starting point and still accumulate some error over time.
Why is sensing considered dual use?
Because the same precision that helps map groundwater could detect hidden objects or structures. That raises questions of export control and responsible use.
التقاريرساهم

ساهم بأدلة من هذه الصفحة.

التقارير is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.

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