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Laser-driven parametric instability and generation of entangled photon-plasmon states in graphene

机译：激光驱动的参数不稳定性和石墨烯中纠缠的光子-等离激元态的产生

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摘要

We show that a strong infrared laser beam obliquely incident on graphene can experience a parametric instability with respect to decay into lower-frequency (idler) photons and THz surface plasmons. The instability is due to a strong in-plane second-order nonlinear response of graphene which originates from its spatial dispersion. The parametric decay leads to efficient generation of THz plasmons and gives rise to quantum entanglement of idler photons and surface plasmon states.
机译：我们表明，倾斜入射在石墨烯上的强红外激光束相对于衰减为低频（空转）光子和THz表面等离激元可能会遇到参数不稳定性。该不稳定性归因于石墨烯的强烈的面内二阶非线性响应，该响应源自其空间色散。参数衰减导致THz等离子体激元的有效生成，并导致惰子光子和表面等离子体激元态的量子纠缠。

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  • 来源
    《Physical review》 |2016年第23期|235422.1-235422.9|共9页
  • 作者

    Mikhail Tokman; Yongrui Wang; Ivan Oladyshkin; A. Ryan Kutayiah; Alexey Belyanin;

  • 作者单位

    Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia;

    Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA;

    Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia;

    Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA;

    Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA;

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