Receiver Far Exceeds ‘Standard Quantum Limit’
Communicating with light may soon get a lot easier, hints recent research from the National Institute of Standards and Technology (NIST) and the Univ. of Maryland’s Joint Quantum Institute (JQI), where scientists have potentially found a way to overcome a longstanding barrier to cleaner signals.
The findings, which demonstrate for the first time an error rate far below the “standard quantum limit” for a wide range of light levels, could increase the efficiency of fiber-optic systems by reducing both the power needed to send a signal and the number of errors the receiver makes.
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