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A broadband fiber-optic nonlinear interferometer

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.5048198· OSTI ID:1468166
 [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Information Science Group. Computational Sciences and Engineering Division

In this paper, 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. Finally, 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.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; Office of Naval Research (ONR) (United States)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1468166
Alternate ID(s):
OSTI ID: 1466867
Journal Information:
Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 9 Vol. 113; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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