Solution-processable semiconductor lasers have been a long-standing challenge for next-
generation displays, light sources, and communication technologies. Metal halide …

Semiconductor nanocrystals represent a promising class of solution-processable optical-
gain media that can be manipulated via inexpensive, easily scalable colloidal techniques …

The invention and development of the laser have revolutionized science, technology, and
industry. Metal halide perovskites are an emerging class of semiconductors holding …

Colloidal quantum dots (QDs) combine the superior light-emission characteristics of
quantum-confined semiconductors with the chemical flexibility of molecular systems. These …

Two-dimensional transition metal dichalcogenides (TMDs) possess large second-order
optical nonlinearity, making them ideal candidates for miniaturized on-chip frequency …

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 …

Halide based perovskite materials have fascinated strong attention for being a hopeful
candidate for optoelectronic device applications. Single-crystalline halide perovskites exhibit …

An unusual spectrally reproducible near‐IR random lasing (RL) with no fluctuation of lasing
peak wavelength is disclosed in polycrystalline films of formamidinium tin triiodide …

Random lasers have been ideal illumination sources for speckle-free and high-speed
imaging. Despite their successes, the real applications of random lasers are facing a long …

Lasing performance of solution-processed perovskite thin films is strictly limited by the out-of-
plane scattering losses due to the wide intergrain spacings and quick nonradiative …