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Naturally stable Sagnac–Michelson nonlinear interferometer

Journal Article · · Optics Letters
DOI:https://doi.org/10.1364/OL.41.005438· OSTI ID:1333092
 [1];  [2];  [2]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); The Univ. of Tennessee, Knoxville, TN (United States)

Interferometers measure a wide variety of dynamic processes by converting a phase change into an intensity change. Nonlinear interferometers, making use of nonlinear media in lieu of beamsplitters, promise substantial improvement in the quest to reach the ultimate sensitivity limits. Here we demonstrate a new nonlinear interferometer utilizing a single parametric amplifier for mode mixing conceptually, a nonlinear version of the conventional Michelson interferometer with its arms collapsed together. We observe up to 99.9% interference visibility and find evidence for noise reduction based on phase-sensitive gain. As a result, our configuration utilizes fewer components than previous demonstrations and requires no active stabilization, offering new capabilities for practical nonlinear interferometric-based sensors.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
ORNL LDRD Director's R&D; USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1333092
Alternate ID(s):
OSTI ID: 1332021
Journal Information:
Optics Letters, Journal Name: Optics Letters Journal Issue: 23 Vol. 41; ISSN 0146-9592; ISSN OPLEDP
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (2)

A broadband fiber-optic nonlinear interferometer journal August 2018
Wide-field SU(1,1) interferometer journal January 2019

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