Nonlinear optical waveguides in As2S3-Ag2S chalcogenide glass thin films

J. M.P. Almeida; E. C. Barbano; Craig B. Arnold; L. Misoguti; C. R. Mendonça

doi:10.1364/OME.7.000093

Nonlinear optical waveguides in As₂S₃-Ag₂S chalcogenide glass thin films

J. M.P. Almeida, E. C. Barbano, Craig B. Arnold, L. Misoguti, C. R. Mendonça

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

21 Scopus citations

Abstract

Chalcogenide glasses (ChGs) are promising materials for nonlinear optical applications due to their elevated third-order optical susceptibility. Nonetheless, oxidation and photorefractive effects make the characterization and processing of this class of materials an intricate process. Employing ultrashort laser pulses, we were able to investigate the optical nonlinearities of As₂S₃ thin films doped with Ag₂S nanocrystals, as well as produce channel waveguides. The results showed that the nonlinear refractive indexes of these films are in the order of 2.3-5.2 x 10^-18 m²/W at wavelengths in the range of 775-1600 nm. Such film revealed to be proper for the development of nonlinear optical devices, since we have demonstrated the functionality of an 8.7 mm long waveguide for spectral broadening femtosecond IR pulses.

Original language	English (US)
Pages (from-to)	93-99
Number of pages	7
Journal	Optical Materials Express
Volume	7
Issue number	1
DOIs	https://doi.org/10.1364/OME.7.000093
State	Published - 2017

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials

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10.1364/OME.7.000093

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title = "Nonlinear optical waveguides in As2S3-Ag2S chalcogenide glass thin films",

abstract = "Chalcogenide glasses (ChGs) are promising materials for nonlinear optical applications due to their elevated third-order optical susceptibility. Nonetheless, oxidation and photorefractive effects make the characterization and processing of this class of materials an intricate process. Employing ultrashort laser pulses, we were able to investigate the optical nonlinearities of As2S3 thin films doped with Ag2S nanocrystals, as well as produce channel waveguides. The results showed that the nonlinear refractive indexes of these films are in the order of 2.3-5.2 x 10-18 m2/W at wavelengths in the range of 775-1600 nm. Such film revealed to be proper for the development of nonlinear optical devices, since we have demonstrated the functionality of an 8.7 mm long waveguide for spectral broadening femtosecond IR pulses.",

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T1 - Nonlinear optical waveguides in As2S3-Ag2S chalcogenide glass thin films

AU - Almeida, J. M.P.

AU - Barbano, E. C.

AU - Arnold, Craig B.

AU - Misoguti, L.

AU - Mendonça, C. R.

PY - 2017

Y1 - 2017

N2 - Chalcogenide glasses (ChGs) are promising materials for nonlinear optical applications due to their elevated third-order optical susceptibility. Nonetheless, oxidation and photorefractive effects make the characterization and processing of this class of materials an intricate process. Employing ultrashort laser pulses, we were able to investigate the optical nonlinearities of As2S3 thin films doped with Ag2S nanocrystals, as well as produce channel waveguides. The results showed that the nonlinear refractive indexes of these films are in the order of 2.3-5.2 x 10-18 m2/W at wavelengths in the range of 775-1600 nm. Such film revealed to be proper for the development of nonlinear optical devices, since we have demonstrated the functionality of an 8.7 mm long waveguide for spectral broadening femtosecond IR pulses.

AB - Chalcogenide glasses (ChGs) are promising materials for nonlinear optical applications due to their elevated third-order optical susceptibility. Nonetheless, oxidation and photorefractive effects make the characterization and processing of this class of materials an intricate process. Employing ultrashort laser pulses, we were able to investigate the optical nonlinearities of As2S3 thin films doped with Ag2S nanocrystals, as well as produce channel waveguides. The results showed that the nonlinear refractive indexes of these films are in the order of 2.3-5.2 x 10-18 m2/W at wavelengths in the range of 775-1600 nm. Such film revealed to be proper for the development of nonlinear optical devices, since we have demonstrated the functionality of an 8.7 mm long waveguide for spectral broadening femtosecond IR pulses.

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Nonlinear optical waveguides in As₂S₃-Ag₂S chalcogenide glass thin films

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