Parametric Nonlinear Optics with Layered Materials and Related Heterostructures

Affiliation
Dipartimento di Fisica Politecnico di Milano Piazza Leonardo da Vinci, 32 20133 Milano Italy
Dogadov, Oleg;
ORCID
0000-0002-8150-9743
Affiliation
Dipartimento di Fisica Politecnico di Milano Piazza Leonardo da Vinci, 32 20133 Milano Italy
Trovatello, Chiara;
ORCID
0000-0001-8368-5815
Affiliation
Key Laboratory of Optical Fiber Sensing and Communications (Education Ministry of China) University of Electronic Science and Technology of China 611731 Chengdu China
Yao, Baicheng;
GND
122168065X
ORCID
0000-0003-2434-2251
Affiliation
Institute of Solid State Physics Friedrich Schiller University Jena Max‐Wien Platz 1 07743 Jena Germany
Soavi, Giancarlo;
ORCID
0000-0002-9534-2702
Affiliation
Dipartimento di Fisica Politecnico di Milano Piazza Leonardo da Vinci, 32 20133 Milano Italy
Cerullo, Giulio

Nonlinear optics is of crucial importance in several fields of science and technology with applications in frequency conversion, entangled‐photon generation, self‐referencing of frequency combs, crystal characterization, sensing, and ultra‐short light pulse generation and characterization. In recent years, layered materials and related heterostructures have attracted huge attention in this field, due to their huge nonlinear optical susceptibilities, their ease of integration on photonic platforms, and their 2D nature which relaxes the phase‐matching constraints and thus offers a practically unlimited bandwidth for parametric nonlinear processes. In this review the most recent advances in this field, highlighting their importance and impact both for fundamental and technological aspects, are reported and explained, and an outlook on future research directions for nonlinear optics with atomically thin materials is provided.

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