Measurement of the nonlinear phase shift induced by cascaded interactions in a periodically poled lithium niobate waveguide

Carlo Liberale; Vittorio Degiorgio; Marco Marangoni; Gianluca Galzerano; Roberta Ramponi

doi:10.1364/OL.30.002448

Measurement of the nonlinear phase shift induced by cascaded interactions in a periodically poled lithium niobate waveguide

Carlo Liberale, Vittorio Degiorgio, Marco Marangoni, Gianluca Galzerano, Roberta Ramponi

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

4 Scopus citations

Abstract

We report on the measurement of nonlinear phase shift φ_NL induced by a strong pump at wavelength λ_p on a weak signal at λ_s through a cascade of two second-order interactions in a periodically poled lithiumniobate waveguide. The experiment is performed by use of an interferometric scheme especially designed to be insensitive to slow mechanical and thermal drift effects. The observed behavior of φ_NL as a function of pump power and of wavelength difference λ_p-λ_s is in good agreement with the theoretical predictions.

Original language	English (US)
Pages (from-to)	2448-2450
Number of pages	3
Journal	OPTICS LETTERS
Volume	30
Issue number	18
DOIs	https://doi.org/10.1364/OL.30.002448
State	Published - Sep 15 2005
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We report on the measurement of nonlinear phase shift φNL induced by a strong pump at wavelength λp on a weak signal at λs through a cascade of two second-order interactions in a periodically poled lithiumniobate waveguide. The experiment is performed by use of an interferometric scheme especially designed to be insensitive to slow mechanical and thermal drift effects. The observed behavior of φNL as a function of pump power and of wavelength difference λp-λs is in good agreement with the theoretical predictions.",

author = "Carlo Liberale and Vittorio Degiorgio and Marco Marangoni and Gianluca Galzerano and Roberta Ramponi",

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AU - Liberale, Carlo

AU - Degiorgio, Vittorio

AU - Marangoni, Marco

AU - Galzerano, Gianluca

AU - Ramponi, Roberta

PY - 2005/9/15

Y1 - 2005/9/15

N2 - We report on the measurement of nonlinear phase shift φNL induced by a strong pump at wavelength λp on a weak signal at λs through a cascade of two second-order interactions in a periodically poled lithiumniobate waveguide. The experiment is performed by use of an interferometric scheme especially designed to be insensitive to slow mechanical and thermal drift effects. The observed behavior of φNL as a function of pump power and of wavelength difference λp-λs is in good agreement with the theoretical predictions.

AB - We report on the measurement of nonlinear phase shift φNL induced by a strong pump at wavelength λp on a weak signal at λs through a cascade of two second-order interactions in a periodically poled lithiumniobate waveguide. The experiment is performed by use of an interferometric scheme especially designed to be insensitive to slow mechanical and thermal drift effects. The observed behavior of φNL as a function of pump power and of wavelength difference λp-λs is in good agreement with the theoretical predictions.

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Measurement of the nonlinear phase shift induced by cascaded interactions in a periodically poled lithium niobate waveguide

Abstract

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