Generation of high-order harmonics with hybrid spin and transverse orbital angular momentum from a crystalline solid

被引：2
作者：
Zhang, Jianing [1 ,2 ]
Lyu, Zijian [1 ,2 ]
Geng, Lei [1 ,2 ]
Liu, Xiulan [1 ,2 ,3 ]
Liu, Yunquan [1 ,2 ,3 ,4 ,5 ]
Peng, Liang-You [1 ,2 ,3 ,4 ,5 ]
机构：
[1] Peking Univ, Sch Phys, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China
[2] Peking Univ, Frontiers Sci Ctr Nanooptoelect, Sch Phys, Beijing 100871, Peoples R China
[3] Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China
[4] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China
[5] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Peoples R China
来源：
PHYSICAL REVIEW A | 2024年 / 110卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ATTOSECOND PULSES; SELECTION-RULES; LIGHT; POLARIZATION;
D O I：
10.1103/PhysRevA.110.033110
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The interaction between solid materials and an optical vortex has garnered significant attention in recent years. Here, we study theoretically the high-order harmonic generation (HHG) of crystalline solids under the spatiotemporal optical-vortex light. We develop a quantum-orbit model to describe the intricate electron motion driven by a strong optical vortex, demonstrating the conservation law of spin and transverse orbital angular momenta in the HHG process. Harnessing the bicircular spatiotemporal vortex light field, we generate high-order harmonics with the hybrid spin and transverse orbital angular momentum. The proportions of different orbital angular-momentum components of harmonics in solids can also be tuned by adjusting the intensity ratio of the two light beams.
引用
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页数：13
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