Quantum scientists accurately measure power levels one trillion times lower than usual: A new device can measure power levels with unprecedented accuracy and sensitivity, offering a major step forward for quantum technologies

Scientists have developed a nanodevice that can measure the absolute power of microwave radiation down to the femtowatt level at ultra-low temperatures -- a scale trillion times lower than routinely used in verifiable power measurements. The device has the potential to significantly advance microwave measurements in quantum technology.

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