Broadband sensitivity enhancement of detuned dual-recycled Michelson interferometers with EPR entanglement

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Colleges, School and Institutes


We demonstrate the applicability of the EPR entanglement squeezing scheme for enhancing the shot-noise-limited sensitivity of a detuned dual-recycled Michelson interferometers. In particular, this scheme is applied to the GEO\,600 interferometer. The effect of losses throughout the interferometer, arm length asymmetries, and imperfect separation of the signal and idler beams are considered.


Original languageEnglish
Article number062003
Number of pages11
JournalPhysical Review D
Issue number6
Publication statusPublished - 14 Sep 2017


  • quant-ph, physics.optics