rBN Nonlinear Optical Crystal Films

Conversion efficiency near 1%

Controlled parallel stacking eliminates interlayer phase deviation, achieving record-high second harmonic conversion efficiency among all 2D materials within a coherence thickness of only 1.6 μm.

Qi, Jiajie · Chenjun, Ma · Guo, Quanlin · Ma, Chaojie · Zhang, Zhibin · Fang-Lin, Liu · Shi, Xuling · Wang, Li Lih · Xue, Mingshan · Wu, Muhong · Gao, Peng · Hong, Hao · Wang, Xinqiang · Wang, Enge · Liu, Can · Liu, Kaihui

Advanced Materials 2023

Specifications

the practical criterion

{'zh': '1', 'en': '>1'} %

在仅

{'zh': '1.6', 'en': ''} μm

Advantages

Record-high conversion efficiency in the whole family of 2D materials