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As the confinement of excitons weakens, an investigation of biexciton luminescence in large perovskite nanocrystals reveals a deviation in the biexciton Auger decay rate from the universal volume scaling.
Metal halide perovskites have emerged as promising materials platform for integrated photonics applications. On chip nano-lasers and detectors owing to their ultracompact physical sizes, highly localized coherent output, and efficient waveguiding, are promising building blocks for fully integrated nanoscale photonic and optoelectronic devices.
New function of photochromic spiropyran molecules for initiating two-photon photopolymerization via direct laser writing holds great potential in fast 3D printing technology.
Quantitative phase imaging (QPI) has emerged as method especially for investigating biological specimen. However, conventional methods often suffer from shortcomings in image quality, such as the twin image artifact of inline holography. The presented compact 3D sensing system utilizes a novel computational framework for QPI from single intensity images. The reported system offers accurate and efficient 3D profiling, overcoming the limitations of conventional inline holography approaches. This paradigm shift is promising for biomedical imaging, and material analysis.