Second-harmonic generation in surface periodically poled lithium niobate waveguides: On the role of multiphoton absorption

M. Cherchi; S. Stivala; A. Pasquazi; A. C. Busacca; S. Riva Sanseverino; A. C. Cino; L. Colace; G. Assanto

doi:10.1007/s00340-008-3219-8

Second-harmonic generation in surface periodically poled lithium niobate waveguides: On the role of multiphoton absorption

M. Cherchi^*
, S. Stivala
, A. Pasquazi
, A. C. Busacca
, S. Riva Sanseverino
, A. C. Cino
, L. Colace
, G. Assanto

^*Corresponding author for this work

Not published at VTT

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

8 Citations (Scopus)

Abstract

Second-harmonic generation is investigated in lithium niobate channels realized by proton exchange and quasi-phase matched by surface periodic poling. The reduction in conversion efficiency at high powers is interpreted in terms of multiphoton absorption via two-color terms, yielding an estimate of the dominating three-photon process.

Original language	English
Pages (from-to)	559-565
Number of pages	7
Journal	Applied Physics B: Lasers and Optics
Volume	93
Issue number	2-3
DOIs	https://doi.org/10.1007/s00340-008-3219-8
Publication status	Published - 1 Nov 2008
MoE publication type	Not Eligible

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title = "Second-harmonic generation in surface periodically poled lithium niobate waveguides: On the role of multiphoton absorption",

abstract = "Second-harmonic generation is investigated in lithium niobate channels realized by proton exchange and quasi-phase matched by surface periodic poling. The reduction in conversion efficiency at high powers is interpreted in terms of multiphoton absorption via two-color terms, yielding an estimate of the dominating three-photon process.",

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T2 - On the role of multiphoton absorption

AU - Cherchi, M.

AU - Stivala, S.

AU - Pasquazi, A.

AU - Busacca, A. C.

AU - Riva Sanseverino, S.

AU - Cino, A. C.

AU - Colace, L.

AU - Assanto, G.

PY - 2008/11/1

Y1 - 2008/11/1

N2 - Second-harmonic generation is investigated in lithium niobate channels realized by proton exchange and quasi-phase matched by surface periodic poling. The reduction in conversion efficiency at high powers is interpreted in terms of multiphoton absorption via two-color terms, yielding an estimate of the dominating three-photon process.

AB - Second-harmonic generation is investigated in lithium niobate channels realized by proton exchange and quasi-phase matched by surface periodic poling. The reduction in conversion efficiency at high powers is interpreted in terms of multiphoton absorption via two-color terms, yielding an estimate of the dominating three-photon process.

UR - https://www.scopus.com/pages/publications/55349146569

U2 - 10.1007/s00340-008-3219-8

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AN - SCOPUS:55349146569

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VL - 93

SP - 559

EP - 565

JO - Applied Physics B: Lasers and Optics

JF - Applied Physics B: Lasers and Optics

IS - 2-3

ER -

Second-harmonic generation in surface periodically poled lithium niobate waveguides: On the role of multiphoton absorption

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