NASA NTRS · 20220003014
Non-Hermitian Gyroscopes: Can Exceptional Points Increase Sensor Precision
Abstract
We show that exceptional points in conservatively coupled systems can increase the quantum-limited precision of laser gyroscopes as a result of gain saturation, but that this requires recovery of the beat note by interference with an auxiliary mode, with consequences for the quantum and classical noise that depend on the particular recovery scheme.
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David D Smith, Hongrok Chang, Selim Mohammad Shahriar. Non-Hermitian Gyroscopes: Can Exceptional Points Increase Sensor Precision. https://ntrs.nasa.gov/citations/20220003014
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