A corona modulation device structure and mechanism based on perovskite quantum dots random laser pumped using an electron beam

Abstract

Although laser pumping using electron beam (EB) has high transient power output and easy modulation based on perovskite quantum dot (PQD) film, its lasing emitting direction is the same as the pumped EB’s direction. Thus, realizing the conventional direct device structure through the film lasing mechanism is extremely difficult. Therefore, using the random lasing principle, herein, we proposed a corona modulation device structure based on PQDs random laser pumped using an EB. We discussed and stimulated the optimized designed method of the device in terms of parameters of the electronic optical device and the utilization ratio of output power and its modulation extinction ratio, respectively. According to the simulation results, this type of device structure can effectively satisfy the new random lasing mechanism in terms of high-speed and high-power modulation.

Graphical abstract

Keywords

corona / modulation / perovskite quantum dot (PQD) / random laser / electron beam (EB)

References

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (NSFC) (Grant Nos. 51602028, 61905026, and 11874091), Jilin Province Science and Technology Development Project (Nos. 20200301065RQ and 20190701024GH), Chinese Academy of Sciences (No. CAS-KLAOT-KF201803), and Changchun University of Science and Technology (No. XJJLG-2017-01).

RIGHTS & PERMISSIONS

2020 Higher Education Press