Laser-modified luminescence for optical data storage

Abstract

The yearly growing quantities of dataflow creates a desired requirement for advanced data storage methods. Luminescent materials, which possess adjustable parameters such as intensity, emission center, lifetime, polarization, and etc., can be used to enable multidimensional Optical data storage (ODS) with higher capacity, longer lifetime and lower energy consumption. Multiplexed storage based on luminescent materials can be easily manipulated by lasers, and has been considered as a feasible option to break through the limits of ODS density. Substantial progress in laser-modified luminescence based ODS have been made during past decade. In this review, we recapitulated recent advancements in laser-modified luminescence based ODS, focusing on the defect-related regulation, nucleation, dissociation, photoreduction, ablation and etc. We conclude by discussing the current challenges in laser-modified luminescence based ODS and proposing the perspectives for future development.

Femtosecond laser ultrafast photothermal exsolution

“…Employing higher power lasers accompanied by further increasing scan speed to m•s −1 can make this technique more efficient and practical for industrial applications, rather than being limited in the lab-scale. From material perspective, black and darkblue ZrO 2 can also be potentially applied as solar absorbers [24,52], pigments and dyes [53], and in decoration, implant dentistry [54], photocatalyst [55] fields; while from technique perspective, the applications of our method is as well compatible with those of fs laser ablation/structuring, patterning, and material synthesis within the scope of optics/photonics [56][57][58][59][60][61], energy [62], photoelectronic [63], flexible electronics [64], wettability [65,66], biomimetic [67], bubble/gas manipulation [68], stimulus-responsive interfaces [69], miniaturized robotics [70], fundamental studies [71][72][73][74], etc.…”