Vibrational phase imaging by stimulated Raman scattering via polarization-division interferometry

Carlo M. Valensise; Vikas Kumar; Alejandro De la Cadena; Sandro De Silvestri; Giulio Cerullo; Dario Polli

doi:10.1364/oe.27.019407

Vibrational phase imaging by stimulated Raman scattering via polarization-division interferometry

Carlo M. Valensise, Vikas Kumar, Alejandro De la Cadena, Sandro De Silvestri, Giulio Cerullo, Dario Polli

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

5 Scopus citations

Abstract

Stimulated Raman scattering (SRS) allows chemical identification of substances based on their third-order nonlinear vibrational susceptibility χ(3)(ω) . In its standard single-frequency implementation, SRS can only access the imaginary part of χ(3)(ω) . Here we introduce interferometric SRS (iSRS), which has the capability to measure both the real and the imaginary parts of the nonlinear susceptibility. With respect to a standard SRS setup, iSRS simply requires the insertion of a few optical elements in the Stokes(pump) beam pathway to generate an intrinsically phase-coherent local oscillator. While preserving the acquisition speed and the simplicity of single-frequency SRS, iSRS considerably increases its information content by providing access to the vibrational phase, which allows one to distinguish overlapping species in congested spectra and is more robust with respect to noise.

Original language	English (US)
Pages (from-to)	19407
Journal	Optics Express
Volume	27
Issue number	14
DOIs	https://doi.org/10.1364/oe.27.019407
State	Published - Jun 26 2019
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2021-04-13
Acknowledged KAUST grant number(s): OSR-2016-CRG5-3017-01
Acknowledgements: European Research Council Consolidator Grant VIBRA (ERC-2014-CoG 648615), Horizon2020 GRAPHENE Flagship (785219), and KAUST (OSR-2016-CRG5-3017-01).
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/oe.27.019407

Cite this

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title = "Vibrational phase imaging by stimulated Raman scattering via polarization-division interferometry",

abstract = "Stimulated Raman scattering (SRS) allows chemical identification of substances based on their third-order nonlinear vibrational susceptibility χ(3)(ω) . In its standard single-frequency implementation, SRS can only access the imaginary part of χ(3)(ω) . Here we introduce interferometric SRS (iSRS), which has the capability to measure both the real and the imaginary parts of the nonlinear susceptibility. With respect to a standard SRS setup, iSRS simply requires the insertion of a few optical elements in the Stokes(pump) beam pathway to generate an intrinsically phase-coherent local oscillator. While preserving the acquisition speed and the simplicity of single-frequency SRS, iSRS considerably increases its information content by providing access to the vibrational phase, which allows one to distinguish overlapping species in congested spectra and is more robust with respect to noise.",

author = "Valensise, {Carlo M.} and Vikas Kumar and {De la Cadena}, Alejandro and {De Silvestri}, Sandro and Giulio Cerullo and Dario Polli",

note = "KAUST Repository Item: Exported on 2021-04-13 Acknowledged KAUST grant number(s): OSR-2016-CRG5-3017-01 Acknowledgements: European Research Council Consolidator Grant VIBRA (ERC-2014-CoG 648615), Horizon2020 GRAPHENE Flagship (785219), and KAUST (OSR-2016-CRG5-3017-01). This publication acknowledges KAUST support, but has no KAUST affiliated authors.",

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doi = "10.1364/oe.27.019407",

language = "English (US)",

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pages = "19407",

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T1 - Vibrational phase imaging by stimulated Raman scattering via polarization-division interferometry

AU - Valensise, Carlo M.

AU - Kumar, Vikas

AU - De la Cadena, Alejandro

AU - De Silvestri, Sandro

AU - Cerullo, Giulio

AU - Polli, Dario

N1 - KAUST Repository Item: Exported on 2021-04-13 Acknowledged KAUST grant number(s): OSR-2016-CRG5-3017-01 Acknowledgements: European Research Council Consolidator Grant VIBRA (ERC-2014-CoG 648615), Horizon2020 GRAPHENE Flagship (785219), and KAUST (OSR-2016-CRG5-3017-01). This publication acknowledges KAUST support, but has no KAUST affiliated authors.

PY - 2019/6/26

Y1 - 2019/6/26

N2 - Stimulated Raman scattering (SRS) allows chemical identification of substances based on their third-order nonlinear vibrational susceptibility χ(3)(ω) . In its standard single-frequency implementation, SRS can only access the imaginary part of χ(3)(ω) . Here we introduce interferometric SRS (iSRS), which has the capability to measure both the real and the imaginary parts of the nonlinear susceptibility. With respect to a standard SRS setup, iSRS simply requires the insertion of a few optical elements in the Stokes(pump) beam pathway to generate an intrinsically phase-coherent local oscillator. While preserving the acquisition speed and the simplicity of single-frequency SRS, iSRS considerably increases its information content by providing access to the vibrational phase, which allows one to distinguish overlapping species in congested spectra and is more robust with respect to noise.

AB - Stimulated Raman scattering (SRS) allows chemical identification of substances based on their third-order nonlinear vibrational susceptibility χ(3)(ω) . In its standard single-frequency implementation, SRS can only access the imaginary part of χ(3)(ω) . Here we introduce interferometric SRS (iSRS), which has the capability to measure both the real and the imaginary parts of the nonlinear susceptibility. With respect to a standard SRS setup, iSRS simply requires the insertion of a few optical elements in the Stokes(pump) beam pathway to generate an intrinsically phase-coherent local oscillator. While preserving the acquisition speed and the simplicity of single-frequency SRS, iSRS considerably increases its information content by providing access to the vibrational phase, which allows one to distinguish overlapping species in congested spectra and is more robust with respect to noise.

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U2 - 10.1364/oe.27.019407

DO - 10.1364/oe.27.019407

M3 - Article

SN - 1094-4087

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JO - Optics Express

JF - Optics Express

IS - 14

ER -

Vibrational phase imaging by stimulated Raman scattering via polarization-division interferometry

Abstract

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