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Global • 2026-10-31, 19:39 GMT • ~1 min read

Logical qubits boost sensitivity to faint, random signals, researchers show

محققین کے مطابق لاجیکل کیوبٹس کمزور اور بے ترتیب سگنلز کی حساسیت بڑھاتے ہیں

शोधकर्ताओं के अनुसार लॉजिकल क्यूबिट कमज़ोर और यादृच्छिक संकेतों की संवेदनशीलता बढ़ाते हैं

Logical qubits boost sensitivity to faint, random signals, researchers show

Key points

اہم نکات

मुख्य बातें

  • Researchers at the University of Innsbruck have devised a quantum sensing method that uses logical qubits and error correction to detect faint signals arriving at random times in noisy environments.
  • Instead of amplifying the signal, the protocol deliberately weakens it to a cubic fraction of its original strength, then uses stabiliser measurements to separate the real signal from noise through higher-order correlations.
  • The team says this approach outperforms conventional sensing for randomly timed pulses, because error correction also extends the time over which the signal can be collected.
  • انسبرک یونیورسٹی کے محققین نے کوانٹم سینسنگ کا ایک طریقہ تیار کیا ہے جو لاجیکل کیوبٹس اور غلطی کی اصلاح کے ذریعے شور والے ماحول میں بے ترتیب اوقات میں آنے والے کمزور سگنلز کا پتہ لگاتا ہے۔ سگنل کو بڑھانے کے بجائے، یہ طریقہ اسے جان بوجھ کر اس کی اصل طاقت کے ایک چھوٹے حصے تک کمزور کرتا ہے، پھر اسٹیبلائزر پیمائشوں کے ذریعے حقیقی سگنل کو شور سے الگ کرتا ہے۔ ٹیم کا کہنا ہے کہ بے ترتیب وقت پر آنے والی نبضوں کے لیے یہ طریقہ روایتی سینسنگ سے بہتر ہے، کیونکہ غلطی کی اصلاح سگنل جمع کرنے کا وقت بھی بڑھا دیتی ہے۔ یہ کام نایاب اور مشکل سے نظر آنے والے واقعات کے لیے زیادہ حساس کوانٹم سینسرز کی طرف اشارہ کرتا ہے۔
  • इन्सब्रुक विश्वविद्यालय के शोधकर्ताओं ने क्वांटम सेंसिंग की एक विधि तैयार की है जो लॉजिकल क्यूबिट और त्रुटि सुधार के माध्यम से शोर वाले वातावरण में यादृच्छिक समय पर आने वाले कमज़ोर संकेतों का पता लगाती है। संकेत को बढ़ाने के बजाय, यह विधि जानबूझकर उसे उसकी मूल शक्ति के एक छोटे अंश तक कमज़ोर करती है, फिर स्टेबलाइज़र मापों के माध्यम से वास्तविक संकेत को शोर से अलग करती है। टीम का कहना है कि यादृच्छिक समय पर आने वाली स्पंदों के लिए यह विधि पारंपरिक सेंसिंग से बेहतर है, क्योंकि त्रुटि सुधार संकेत एकत्र करने का समय भी बढ़ा देता है। यह काम दुर्लभ और मुश्किल से दिखने वाली घटनाओं के लिए अधिक संवेदनशील क्वांटम सेंसर की ओर इशारा करता है।

Researchers at the University of Innsbruck have devised a quantum sensing method that uses logical qubits and error correction to detect faint signals arriving at random times in noisy environments. Instead of amplifying the signal, the protocol deliberately weakens it to a cubic fraction of its original strength, then uses stabiliser measurements to separate the real signal from noise through higher-order correlations. The team says this approach outperforms conventional sensing for randomly timed pulses, because error correction also extends the time over which the signal can be collected. The work points to more sensitive quantum sensors for rare, hard-to-spot events.

انسبرک یونیورسٹی کے محققین نے کوانٹم سینسنگ کا ایک طریقہ تیار کیا ہے جو لاجیکل کیوبٹس اور غلطی کی اصلاح کے ذریعے شور والے ماحول میں بے ترتیب اوقات میں آنے والے کمزور سگنلز کا پتہ لگاتا ہے۔ سگنل کو بڑھانے کے بجائے، یہ طریقہ اسے جان بوجھ کر اس کی اصل طاقت کے ایک چھوٹے حصے تک کمزور کرتا ہے، پھر اسٹیبلائزر پیمائشوں کے ذریعے حقیقی سگنل کو شور سے الگ کرتا ہے۔ ٹیم کا کہنا ہے کہ بے ترتیب وقت پر آنے والی نبضوں کے لیے یہ طریقہ روایتی سینسنگ سے بہتر ہے، کیونکہ غلطی کی اصلاح سگنل جمع کرنے کا وقت بھی بڑھا دیتی ہے۔ یہ کام نایاب اور مشکل سے نظر آنے والے واقعات کے لیے زیادہ حساس کوانٹم سینسرز کی طرف اشارہ کرتا ہے۔

इन्सब्रुक विश्वविद्यालय के शोधकर्ताओं ने क्वांटम सेंसिंग की एक विधि तैयार की है जो लॉजिकल क्यूबिट और त्रुटि सुधार के माध्यम से शोर वाले वातावरण में यादृच्छिक समय पर आने वाले कमज़ोर संकेतों का पता लगाती है। संकेत को बढ़ाने के बजाय, यह विधि जानबूझकर उसे उसकी मूल शक्ति के एक छोटे अंश तक कमज़ोर करती है, फिर स्टेबलाइज़र मापों के माध्यम से वास्तविक संकेत को शोर से अलग करती है। टीम का कहना है कि यादृच्छिक समय पर आने वाली स्पंदों के लिए यह विधि पारंपरिक सेंसिंग से बेहतर है, क्योंकि त्रुटि सुधार संकेत एकत्र करने का समय भी बढ़ा देता है। यह काम दुर्लभ और मुश्किल से दिखने वाली घटनाओं के लिए अधिक संवेदनशील क्वांटम सेंसर की ओर इशारा करता है।

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