Second-harmonic optical vortex conversion from WS2 monolayer

被引:15
作者
Dasgupta, Arindam [1 ]
Gao, Jie [1 ]
Yang, Xiaodong [1 ]
机构
[1] Missouri Univ Sci & Technol, Dept Mech & Aerosp Engn, Rolla, MO 65409 USA
基金
美国国家科学基金会;
关键词
ORBITAL ANGULAR-MOMENTUM; VALLEY POLARIZATION; GENERATION; LIGHT; ROTATION; MOS2;
D O I
10.1038/s41598-019-45424-4
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Wavelength, polarization and orbital angular momentum of light are important degrees of freedom for processing and encoding information in optical communication. Over the years, the generation and conversion of orbital angular momentum in nonlinear optical media has found many novel applications in the context of optical communication and quantum information processing. With that hindsight, here orbital angular momentum conversion of optical vortices through second-harmonic generation from only one atomically thin WS2 monolayer is demonstrated at room temperature. Moreover, it is shown that the valley-contrasting physics associated with the nonlinear optical selection rule in WS2 monolayer precisely determines the output circular polarization state of the generated second-harmonic vortex. These results pave the way for building future miniaturized valleytronic devices with atomic-scale thickness for many applications such as chiral photon emission, nonlinear beam generation, optoelectronics, and quantum computing.
引用
收藏
页数:8
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共 46 条
  • [1] Optical vortex solitons in parametric wave mixing
    Alexander, TJ
    Kivshar, YS
    Buryak, AV
    Sammut, RA
    [J]. PHYSICAL REVIEW E, 2000, 61 (02): : 2042 - 2049
  • [2] ORBITAL ANGULAR-MOMENTUM OF LIGHT AND THE TRANSFORMATION OF LAGUERRE-GAUSSIAN LASER MODES
    ALLEN, L
    BEIJERSBERGEN, MW
    SPREEUW, RJC
    WOERDMAN, JP
    [J]. PHYSICAL REVIEW A, 1992, 45 (11): : 8185 - 8189
  • [3] Nonlinear Optics with 2D Layered Materials
    Autere, Anton
    Jussila, Henri
    Dai, Yunyun
    Wang, Yadong
    Lipsanen, Harri
    Sun, Zhipei
    [J]. ADVANCED MATERIALS, 2018, 30 (24)
  • [4] Twisting Light by Nonlinear Photonic Crystals
    Bloch, Noa Voloch
    Shemer, Keren
    Shapira, Asia
    Shiloh, Roy
    Juwiler, Irit
    Arie, Ady
    [J]. PHYSICAL REVIEW LETTERS, 2012, 108 (23)
  • [5] Terabit-Scale Orbital Angular Momentum Mode Division Multiplexing in Fibers
    Bozinovic, Nenad
    Yue, Yang
    Ren, Yongxiong
    Tur, Moshe
    Kristensen, Poul
    Huang, Hao
    Willner, Alan E.
    Ramachandran, Siddharth
    [J]. SCIENCE, 2013, 340 (6140) : 1545 - 1548
  • [6] Spin-Selective Second-Harmonic Vortex Beam Generation with Babinet-Inverted Plasmonic Metasurfaces
    Chen, Yang
    Yang, Xiaodong
    Gao, Jie
    [J]. ADVANCED OPTICAL MATERIALS, 2018, 6 (19):
  • [7] Second-harmonic generation and the conservation of orbital angular momentum with high-order Laguerre-Gaussian modes
    Courtial, J
    Dholakia, K
    Allen, L
    Padgett, MJ
    [J]. PHYSICAL REVIEW A, 1997, 56 (05): : 4193 - 4196
  • [8] Structure of optical vortices
    Curtis, JE
    Grier, DG
    [J]. PHYSICAL REVIEW LETTERS, 2003, 90 (13) : 4
  • [9] Complete experimental toolbox for alignment-free quantum communication
    D'Ambrosio, Vincenzo
    Nagali, Eleonora
    Walborn, Stephen P.
    Aolita, Leandro
    Slussarenko, Sergei
    Marrucci, Lorenzo
    Sciarrino, Fabio
    [J]. NATURE COMMUNICATIONS, 2012, 3
  • [10] Determination of topological charges of polychromatic optical vortices
    Denisenko, Vladimir
    Shvedov, Vladlen
    Desyatnikov, Anton S.
    Neshev, Dragomir N.
    Krolikowski, Wieslaw
    Volyar, Alexander
    Soskin, Marat
    Kivshar, Yuri S.
    [J]. OPTICS EXPRESS, 2009, 17 (26): : 23374 - 23379