Physical Review Letters
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Twin-Twisted van der Waals Crystal for Entangled Photon Source
Author(s): Chaojie Ma, Mingkang Zhang, Lu He, Yijun Wang, Xuping Shi, Chang Liu, Youbao Ni, Haixin Wu, Yun-Kun Wu, Xifeng Ren, Zhipei Sun, Ling-Jun Kong, Xiangdong Zhang, Hao Hong, and Kaihui Liu
Bright entangled photon sources with on-demand quantum state control are essential for advancing quantum science and technologies. However, simultaneously achieving high brightness and state tunability remains challenging, as this necessitates a dual-phase control mechanism that facilitates both lon… [Phys. Rev. Lett. 137, 086901] Published Thu Aug 20, 2026