View in EDS

Pockels effect-induced strong effective Kerr nonlinearity in a lithium niobate waveguide.

Saved in:
Bibliographic Details
Title: Pockels effect-induced strong effective Kerr nonlinearity in a lithium niobate waveguide.
Authors: Li, Haoran1 (AUTHOR), Huang, Fei1 (AUTHOR), Guo, Jingyan1 (AUTHOR), Gao, He1 (AUTHOR), Li, Hanwen1 (AUTHOR), Wu, Zhile1 (AUTHOR), Yao, Xinmin1 (AUTHOR), Bao, Zhengyuan1 (AUTHOR), Li, Huan1,2,3 (AUTHOR), Shi, Yaocheng1,2,3 (AUTHOR), Yu, Zejie1,2,3 (AUTHOR) zjyu@zju.edu.cn, Dai, Daoxin1,2,3 (AUTHOR)
Source: Applied Physics Reviews. Mar2026, Vol. 13 Issue 1, p1-9. 9p.
Subjects: Four-wave mixing, Kerr electro-optical effect, Optical wavelength conversion, Electro-optical effects, Quantum correlations, Optical waveguides, Nonlinear optics
Abstract: The utilization of Kerr nonlinearity in lithium niobate has been extensively investigated over the years. Nevertheless, the practical implementation of Kerr nonlinearity in waveguides has been constrained by the material's inherently low third-order nonlinear coefficients. Here, we present a significant advancement by demonstrating Pockels effect-induced strong effective Kerr nonlinearity in a periodically poled thin-film lithium niobate waveguide. Both effective four-wave mixing (FWM) and cascaded effective FWM processes are experimentally observed. The induced FWM process achieves a maximum output power of −8.5 dBm, spanning a wavelength spectrum of over 116.8 nm. Analysis reveals that the induced effective Kerr nonlinearity exhibits a substantial effective nonlinear refractive index n2,eff more than 2.9 × 10−15 m2/W, corresponding to an effective nonlinear refractive index enhancement factor of 1.6 × 104 relative to the intrinsic value. Moreover, a wavelength-converting experiment demonstrates a flat optic-to-optic response over a broadband radio frequency spectrum, confirming that signal integrity is well preserved after on-chip effective FWM conversion. Therefore, the demonstrated efficient and broadband Pockels effect-induced effective Kerr nonlinearity paves the way for novel applications in diverse fields, including spectroscopy, parametric amplification, quantum correlation studies, and wavelength conversion technologies. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics Reviews is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 192689705
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Pockels effect-induced strong effective Kerr nonlinearity in a lithium niobate waveguide.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Li%2C+Haoran%22">Li, Haoran</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Fei%22">Huang, Fei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Jingyan%22">Guo, Jingyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gao%2C+He%22">Gao, He</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Hanwen%22">Li, Hanwen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Zhile%22">Wu, Zhile</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yao%2C+Xinmin%22">Yao, Xinmin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bao%2C+Zhengyuan%22">Bao, Zhengyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Huan%22">Li, Huan</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Yaocheng%22">Shi, Yaocheng</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Zejie%22">Yu, Zejie</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> zjyu@zju.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Dai%2C+Daoxin%22">Dai, Daoxin</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+Reviews%22">Applied Physics Reviews</searchLink>. Mar2026, Vol. 13 Issue 1, p1-9. 9p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Four-wave+mixing%22">Four-wave mixing</searchLink><br /><searchLink fieldCode="DE" term="%22Kerr+electro-optical+effect%22">Kerr electro-optical effect</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+wavelength+conversion%22">Optical wavelength conversion</searchLink><br /><searchLink fieldCode="DE" term="%22Electro-optical+effects%22">Electro-optical effects</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+correlations%22">Quantum correlations</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+waveguides%22">Optical waveguides</searchLink><br /><searchLink fieldCode="DE" term="%22Nonlinear+optics%22">Nonlinear optics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The utilization of Kerr nonlinearity in lithium niobate has been extensively investigated over the years. Nevertheless, the practical implementation of Kerr nonlinearity in waveguides has been constrained by the material's inherently low third-order nonlinear coefficients. Here, we present a significant advancement by demonstrating Pockels effect-induced strong effective Kerr nonlinearity in a periodically poled thin-film lithium niobate waveguide. Both effective four-wave mixing (FWM) and cascaded effective FWM processes are experimentally observed. The induced FWM process achieves a maximum output power of −8.5 dBm, spanning a wavelength spectrum of over 116.8 nm. Analysis reveals that the induced effective Kerr nonlinearity exhibits a substantial effective nonlinear refractive index n2,eff more than 2.9 × 10−15 m2/W, corresponding to an effective nonlinear refractive index enhancement factor of 1.6 × 104 relative to the intrinsic value. Moreover, a wavelength-converting experiment demonstrates a flat optic-to-optic response over a broadband radio frequency spectrum, confirming that signal integrity is well preserved after on-chip effective FWM conversion. Therefore, the demonstrated efficient and broadband Pockels effect-induced effective Kerr nonlinearity paves the way for novel applications in diverse fields, including spectroscopy, parametric amplification, quantum correlation studies, and wavelength conversion technologies. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Physics Reviews is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=192689705
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1063/5.0301567
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 1
    Subjects:
      – SubjectFull: Four-wave mixing
        Type: general
      – SubjectFull: Kerr electro-optical effect
        Type: general
      – SubjectFull: Optical wavelength conversion
        Type: general
      – SubjectFull: Electro-optical effects
        Type: general
      – SubjectFull: Quantum correlations
        Type: general
      – SubjectFull: Optical waveguides
        Type: general
      – SubjectFull: Nonlinear optics
        Type: general
    Titles:
      – TitleFull: Pockels effect-induced strong effective Kerr nonlinearity in a lithium niobate waveguide.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Li, Haoran
      – PersonEntity:
          Name:
            NameFull: Huang, Fei
      – PersonEntity:
          Name:
            NameFull: Guo, Jingyan
      – PersonEntity:
          Name:
            NameFull: Gao, He
      – PersonEntity:
          Name:
            NameFull: Li, Hanwen
      – PersonEntity:
          Name:
            NameFull: Wu, Zhile
      – PersonEntity:
          Name:
            NameFull: Yao, Xinmin
      – PersonEntity:
          Name:
            NameFull: Bao, Zhengyuan
      – PersonEntity:
          Name:
            NameFull: Li, Huan
      – PersonEntity:
          Name:
            NameFull: Shi, Yaocheng
      – PersonEntity:
          Name:
            NameFull: Yu, Zejie
      – PersonEntity:
          Name:
            NameFull: Dai, Daoxin
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 19319401
          Numbering:
            – Type: volume
              Value: 13
            – Type: issue
              Value: 1
          Titles:
            – TitleFull: Applied Physics Reviews
              Type: main
ResultId 1