Experimental evidence of a fundamental noise floor at the tens of millihertz level in laser locking onto unbalanced fibre-based Michelson interferometer

Frédéric Audo (1) , Jean-Pierre Coulon (1) , Fabien Kéfélian (1)

1 ARTEMIS - Astrophysique Relativiste Théories Expériences Métrologie Instrumentation Signaux

We show the existence and explain the origin of a fundamental frequency noise floor at the tens of millihertz level when a low noise laser is locked on an unbalanced long-fiber-based Michelson interferometer.

Mots clés: Metrology; Laser; Noise; Locking; Optical Fiber; Frequency Stabilization

Domaines: Optique / photonique; Optique [physics.optics]

Frédéric Audo, Jean-Pierre Coulon, Fabien Kéfélian. Experimental evidence of a fundamental noise floor at the tens of millihertz level in laser locking onto unbalanced fibre-based Michelson interferometer. 2017 Conference on Lasers and Electro-Optics Europe a& European Quantum Electronics Conference, Jun 2017, Munich, Germany. , 2017. ⟨hal-01569144⟩