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10 October 2020 Unconventional nonlinear optical responses from doped graphene
Weitao Liu
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Proceedings Volume 11558, Quantum and Nonlinear Optics VII; 1155807 (2020) https://doi.org/10.1117/12.2575017
Event: SPIE/COS Photonics Asia, 2020, Online Only
Abstract
The control of optical properties by electric means is the key to optoelectronic applications. For atomically thin two-dimensional (2D) materials, the natural advantage lies in that the carrier doping could be readily controlled through the electric gating effect, possibly affecting the optical properties. By exploiting this advantage, we studied nonlinear optical responses from doped graphene, including both coherent nonlinear processes such as the second harmonic generation (SHG) and third harmonic generation (THG), and the incoherent ultrafast photoluminescence (PL). The demonstration of these broadband, electrically tunable nonlinear optical responses in graphene is promising for a host of nonlinear optical applications. [1] T. Jiang et al., Nat. Photon. 12, 430 (2018). [2] Y. Zhang et al., Phys. Rev. Lett. 112, 047401 (2019). [3] D. Huang et al., Nano Lett. 16, 7985 (201
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Weitao Liu "Unconventional nonlinear optical responses from doped graphene", Proc. SPIE 11558, Quantum and Nonlinear Optics VII, 1155807 (10 October 2020); https://doi.org/10.1117/12.2575017
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KEYWORDS
Graphene
Harmonic generation
Optical properties
Doping
Luminescence
Nonlinear dynamics
Optoelectronics
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