A broadband fiber-optic nonlinear interferometer

Joseph M. Lukens; Raphael C. Pooser; Nicholas A. Peters

doi:10.1063/1.5048198

A broadband fiber-optic nonlinear interferometer

Joseph M. Lukens, Raphael C. Pooser, Nicholas A. Peters

Computational Sciences & Engineering Div

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

We describe an all-fiber nonlinear interferometer based on four-wave mixing in highly nonlinear fiber. Our configuration realizes phase-sensitive interference with 97% peak visibility and >90% visibility over a broad 554 GHz optical band. By comparing the output noise power to the shot-noise level, we confirm noise cancellation at dark interference fringes, as required for quantum-enhanced sensitivity. Our device extends nonlinear interferometry to the important platform of highly nonlinear optical fiber and could find applications in a variety of fiber-based sensors.

Original language	English
Article number	091103
Journal	Applied Physics Letters
Volume	113
Issue number	9
DOIs	https://doi.org/10.1063/1.5048198
State	Published - Aug 27 2018

Funding

This work was performed at Oak Ridge National Laboratory, operated by UT-Battelle for the U.S. Department of Energy under Contract No. DE-AC05-00OR22725. Funding was provided by the Office of Naval Research (Contract No. N0001418IP00047).

Funders	Funder number
UT-Battelle
Office of Naval Research	N0001418IP00047
U.S. Department of Energy	DE-AC05-00OR22725
Oak Ridge National Laboratory

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10.1063/1.5048198

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abstract = "We describe an all-fiber nonlinear interferometer based on four-wave mixing in highly nonlinear fiber. Our configuration realizes phase-sensitive interference with 97% peak visibility and >90% visibility over a broad 554 GHz optical band. By comparing the output noise power to the shot-noise level, we confirm noise cancellation at dark interference fringes, as required for quantum-enhanced sensitivity. Our device extends nonlinear interferometry to the important platform of highly nonlinear optical fiber and could find applications in a variety of fiber-based sensors.",

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A broadband fiber-optic nonlinear interferometer

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