Metal Halide Perovskites toward Electrically Pumped Lasers

The rapid development of lasers since their launch has given a new lease to traditional optical technology and immensely boosted the development of natural science. Benefiting from the salient light absorption and light emission traits, perovskite lasers show incalculable prospects in applications o...

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Veröffentlicht in:Laser & photonics reviews 2022-10, Vol.16 (10), p.n/a
Hauptverfasser: Liu, Anqi, Guan, Gangyun, Chai, Xiaomei, Feng, Nannan, Lu, Min, Bai, Xue, Zhang, Yu
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Sprache:eng
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Zusammenfassung:The rapid development of lasers since their launch has given a new lease to traditional optical technology and immensely boosted the development of natural science. Benefiting from the salient light absorption and light emission traits, perovskite lasers show incalculable prospects in applications of optical storage, optical interconnects, high‐quality displays, on‐chip photonic communications, etc. For perovskite lasers, device structure and working principle rather than just material property are also profound, especially for the realization and assessment of electrically pumped lasers, which is the prerequisite for the ultimate practical application of perovskite lasers. With this in mind, the key characteristic parameters of possible future electrically pumped lasers are discussed herein, and a systematic review of perovskite lasers is presented in a sequential order of development. To begin, the components of lasers are introduced in detail, with an emphasis on optical microcavities and diverse proposed working mechanisms, followed by introductions of representative advances in pulsed optically pumped perovskite lasers with various lasing modes, as well as state‐of‐the‐art developments in lasing phenomenon under continuous‐wave optical pumping. Finally, the challenges and fruitful progress toward electrically pumped perovskite lasers are discussed emphatically. It is hoped that this review will promote the realization of perovskite electrically pumped lasers and commercialization of perovskite lasers. Metal halide perovskite is an excellent gain medium that can lase in various modes such as whispering gallery mode, Fabry–Pérot, and distributed feedback under pulsed optical pumping, and the emission wavelength can be tuned in the visible spectrum. The realization of the ultimate goal of electrically pumped perovskite lasers is encouraged by the demonstration of continuous‐wave lasers.
ISSN:1863-8880
1863-8899
DOI:10.1002/lpor.202200189