Squeezing an atomic ensemble both before and after a phase signal deamplifies the encoded phase and nearly doubles the unambiguous measurement range while staying near the optimal quantum limit.
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Enhancing Dynamic Range of Sub-Quantum-Limit Measurements via Quantum Deamplification
Squeezing an atomic ensemble both before and after a phase signal deamplifies the encoded phase and nearly doubles the unambiguous measurement range while staying near the optimal quantum limit.