A Robust Interferometry Against Imperfections Base on Weak Value Amplification

Abstract

The optical interferometry has been widely used in various high precision applications. Usually, the minimum precision of an interferometry is limited by various technique noises in practice. To suppress such kind of noises, we propose a novel scheme, which combines the weak measurement with the standard interferometry. The proposed scheme dramatically outperforms the standard interferometry in the signal noise ratio and the robustness against noises caused by the optical elements' reflections and the offset fluctuation between two paths. A proof-of-principle experiment is demonstrated to validate the amplification theory.

arXiv comment7 pages, 11 figures. submitted to PRA

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Cited by in corpus (4)

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• Toward Incompatible Quantum Limits on Multiparameter Estimation
• High Precision Multi-parameter Weak Measurement with Hermite-Gaussian Pointer
• Ultrasensitive Measurement of Angular Rotations via Hermite-Gaussian Pointer