Optical parametric amplification by two-dimensional semiconductors

Chiara Trovatello; Andrea Marini; Xinyi Xu; Changhwan Lee; Fang Liu; Nicola Curreli; Cristian Manzoni; Stefano Dal Conte; Kaiyuan Yao; Alessandro Ciattoni; James Hone; Xiaoyang Zhu; Peter J. Schuck; Giulio Cerullo

doi:10.1117/12.2583200

5 March 2021 Optical parametric amplification by two-dimensional semiconductors

Chiara Trovatello, Andrea Marini, Xinyi Xu, Changhwan Lee, Fang Liu, Nicola Curreli, Cristian Manzoni, Stefano Dal Conte, Kaiyuan Yao, Alessandro Ciattoni, James Hone, Xiaoyang Zhu, Peter J. Schuck, Giulio Cerullo

Author Affiliations +

Proceedings Volume 11664, Solid State Lasers XXX: Technology and Devices; 116640Z (2021) https://doi.org/10.1117/12.2583200
Event: SPIE LASE, 2021, Online Only

Abstract

Optical parametric amplification is a coherent mechanism whereby an optical signal is amplified by a pump via the generation of an idler field and it is the key ingredient of parametric oscillators. Here we demonstrate optical parametric amplification by monolayer transition-metal dichalcogenides, showing that amplification can be attained over a propagation through an atomic layer. The surface-like second-order nonlinear interaction bypasses phase-matching constraints, enabling ultrabroadband collinear amplification, generally unattainable due to material dispersion. Moreover, the amplification process is invariant over signal and pump in-plane polarizations. Our experimental findings pave the way for innumerable applications in nanophotonics and quantum information technology.

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Chiara Trovatello, Andrea Marini, Xinyi Xu, Changhwan Lee, Fang Liu, Nicola Curreli, Cristian Manzoni, Stefano Dal Conte, Kaiyuan Yao, Alessandro Ciattoni, James Hone, Xiaoyang Zhu, Peter J. Schuck, and Giulio Cerullo "Optical parametric amplification by two-dimensional semiconductors", Proc. SPIE 11664, Solid State Lasers XXX: Technology and Devices, 116640Z (5 March 2021); https://doi.org/10.1117/12.2583200

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