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Optical bistability via quantum interference from monolayer WSe2.

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Title: Optical bistability via quantum interference from monolayer WSe2.
Authors: He, Huihao1,2 (AUTHOR), Nunzi, Jean-Michel3 (AUTHOR), Wang, Jun1,2 (AUTHOR) jwang@siom.ac.cn
Source: Journal of Nonlinear Optical Physics & Materials. Jun2026, Vol. 35 Issue 4, p1-14. 14p.
Subjects: Optical bistability, Quantum interference, Two-dimensional materials (Nanotechnology), Optical switches, Light absorption
Abstract: We conducted a theoretical investigation of optical bistability based on the dipole-allowed transitions in a three-level ladder-type WSe2 system. The system interacts with a laser beam through a unidirectional ring cavity. Our results demonstrate that efficient control of bistability can be achieved by tuning the laser frequency, decay rate, and cooperation parameters. We also discuss the influence of absorption and dispersion processes on the optical bistability behavior. The optical bistability exhibits absorptive and hybrid characteristics in small- and intermediate-output fields, respectively. This study can inform the strategic design of 2D materials for fast and low-threshold all-optical switches, leveraging their significant optical nonlinearities and exciton binding energies. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Nonlinear Optical Physics & Materials is the property of World Scientific Publishing Company 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
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Header DbId: egs
DbLabel: Engineering Source
An: 195152797
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Optical bistability via quantum interference from monolayer WSe2.
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  Data: <searchLink fieldCode="AR" term="%22He%2C+Huihao%22">He, Huihao</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nunzi%2C+Jean-Michel%22">Nunzi, Jean-Michel</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jun%22">Wang, Jun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> jwang@siom.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Nonlinear+Optical+Physics+%26+Materials%22">Journal of Nonlinear Optical Physics & Materials</searchLink>. Jun2026, Vol. 35 Issue 4, p1-14. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Optical+bistability%22">Optical bistability</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+interference%22">Quantum interference</searchLink><br /><searchLink fieldCode="DE" term="%22Two-dimensional+materials+%28Nanotechnology%29%22">Two-dimensional materials (Nanotechnology)</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+switches%22">Optical switches</searchLink><br /><searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We conducted a theoretical investigation of optical bistability based on the dipole-allowed transitions in a three-level ladder-type WSe2 system. The system interacts with a laser beam through a unidirectional ring cavity. Our results demonstrate that efficient control of bistability can be achieved by tuning the laser frequency, decay rate, and cooperation parameters. We also discuss the influence of absorption and dispersion processes on the optical bistability behavior. The optical bistability exhibits absorptive and hybrid characteristics in small- and intermediate-output fields, respectively. This study can inform the strategic design of 2D materials for fast and low-threshold all-optical switches, leveraging their significant optical nonlinearities and exciton binding energies. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Nonlinear Optical Physics & Materials is the property of World Scientific Publishing Company 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.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1142/S0218863525500225
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Optical bistability
        Type: general
      – SubjectFull: Quantum interference
        Type: general
      – SubjectFull: Two-dimensional materials (Nanotechnology)
        Type: general
      – SubjectFull: Optical switches
        Type: general
      – SubjectFull: Light absorption
        Type: general
    Titles:
      – TitleFull: Optical bistability via quantum interference from monolayer WSe2.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: He, Huihao
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            NameFull: Nunzi, Jean-Michel
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            NameFull: Wang, Jun
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 02188635
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            – Type: volume
              Value: 35
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              Value: 4
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            – TitleFull: Journal of Nonlinear Optical Physics & Materials
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