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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CH_P_19

Adaptive Phase Estimation with Squeezed Thermal Light

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Abstract

The use of quantum states of light in optical interferometry improves the precision in the estimation of a phase shift [1], paving the way for applications in quantum metrology, computation and cryptography. Sub-shot noise phase sensing can for example be achieved by injecting a squeezed vacuum into an interferometer [2]. However, this approach leads to enhanced sensitivity only for small phase shifts.

© 2013 IEEE

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