期刊
LASER & PHOTONICS REVIEWS
卷 15, 期 4, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.202000506
关键词
programmable random lasing; random laser; random scattering feedback; waveguide structure
资金
- National Natural Science Foundation of China [11574033, 61975018, 11674032]
- Beijing Higher Education Young Elite Teacher Project
- Fundamental Research Funds for the Central Universities
A programmable random laser was designed to dynamically regulate random lasing pulses through introducing an external waveguide structure with random scattering feedback, achieving liquid and solid film random lasers separately. By switching the adhesion/separation state between the gain and the destroyed waveguide structure, various pulse time series of random lasing can be flexibly realized. The Feinam coding system is further realized for encryption and information transmission by combining programmable random pulses, expanding the application prospects of random lasers in various fields.
Programmable random lasing pulses are highly desired due to their promising applications in information security, flexible encoding systems, and smart imaging. However, the fixed random scattering configuration hinders their realization. Herein, a programmable random laser is designed to dynamically regulate random lasing pulses through introducing an external waveguide structure with random scattering feedback. Liquid and solid film random lasers are thus separately achieved. Most importantly, various pulse time series of random lasing can be flexibly realized by switching the adhesion/separation state between the gain and the destroyed waveguide structure. The Feinam coding system is further realized for encryption and information transmission by combining programmable random pulses. The results may widely expand the application prospects of random lasers in the fields of optical data recording, dynamic security labels, smart sensing, and flexible imaging.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据