Prospects and challenges of colloidal quantum dot laser diodes

H Jung, N Ahn, VI Klimov - Nature Photonics, 2021 - nature.com
Colloidal quantum dots (QDs) combine the superior light-emission characteristics of
quantum-confined semiconductors with the chemical flexibility of molecular systems. These …

Exciton Dynamics and Optically Pumped Lasing in 1‐Naphthylmethylamine‐Based Quasi‐2D Perovskite Films

R Nasu, X Tang, S Watanabe… - Advanced Functional …, 2023 - Wiley Online Library
Films of the quasi‐2D perovskite based on 1‐naphthylmethylamine (NMA) are promising as
the gain medium for optically pumped lasing and future electrically pumped lasing because …

Random lasing from label-free living cells for rapid cytometry of apoptosis

Z Xu, Q Hong, K Ge, X Shi, X Wang, J Deng… - Nano …, 2022 - ACS Publications
A random laser carrying the scattering information on a biological host is a promising tool for
the characterization of biophysical properties. In this work, random lasing from label-free …

RGB WGM lasing woven in fiber braiding cavity

K Ge, Z Xu, D Guo, B Niu, J Ruan, L Cui… - Science China Information …, 2022 - Springer
It is critical to realize woven and wearable red-green-blue (RGB) whispering gallery mode
(WGM) lasing that is tunable and flexible in the fiber braiding cavity. However, it is still a …

Markedly improved performance of optically pumped organic lasers with two-dimensional distributed-feedback gratings

CAM Senevirathne, ASD Sandanayaka… - ACS …, 2021 - ACS Publications
Continuous-wave (CW) lasing is still difficult to realize in organic laser dyes, one reason
being the thermal degradation caused by intense photoexcitation. A decrease in laser …

Light-controlled direction of distributed feedback laser emission by photo-mobile polymer films

DE Lucchetta, A Di Donato, O Francescangeli, G Singh… - Nanomaterials, 2022 - mdpi.com
We report on the realization of Distributed Feedback (DFB) lasing by a high-resolution
reflection grating integrated in a Photomobile Polymer (PMP) film. The grating is recorded in …

In situ super-hindrance-triggered multilayer cracks for random lasing in π-functional nanopolymer films

D Lin, Y Li, H Zhang, S Zhang, Y Gao, T Zhai, S Hu… - Research, 2023 - spj.science.org
In situ self-assembly of semiconducting emitters into multilayer cracks is a significant
solution-processing method to fabricate organic high-Q lasers. However, it is still difficult to …

Dual chaos encryption for color images enabled in a WGM–random hybrid microcavity

T Zhai, J Yan, X Shi, J Ruan, J Tong, N Liang - Nanoscale, 2022 - pubs.rsc.org
Chaotic cryptography as an important means for digital image encryption has become a
great cryptographic project in the current information age. As a novel microcavity laser, a …

Numerical study of plasmonic effects of Ag nanoparticles embedded in the active layer on performance polymer organic solar cells

L Shabani, A Mohammadi, T Jalali - Plasmonics, 2022 - Springer
In this paper, the light absorption in the active layer of polymer solar cells (OPV) by using
plasmonic nanocrystals with a hexagonal lattice structure is investigated. To study the …

Large-area biocompatible random laser for wearable applications

K Ge, D Guo, X Ma, Z Xu, A Hayat, S Li, T Zhai - Nanomaterials, 2021 - mdpi.com
Recently, wearable sensor technology has drawn attention to many health-related
appliances due to its varied existing optical, electrical, and mechanical applications …