A new approach for engineering the controllable asymmetric coupling in active cavity lattices is experimentally demonstrated. Non-Hermitian skin effect is observed in the proposed Hatano-Nelson phase-locked laser array along with single mode lasing and variable emission distribution. The freedom to design at will the exchange interactions in active lattices enables many possibilities in optics, ranging from a new class of reconfigurable lasers capable of generating steerable emission, to non-Hermitian topological lattices.
A versatile approach for engineering the coupling dynamics in active cavities is proposed and experimentally demonstrated. The freedom to design at will the exchange interactions in active lattices enables many possibilities in optics, ranging from a new class of reconfigurable lasers capable of generating steerable emission, to non-Hermitian topological lattices.
We report the integration of quantitative-phase imaging (QPI) with light-sheet (LS) fluorescent microscopy on to a standard inverted microscope that retains compatibility with microfluidics. QPI enables label-free imaging and number-density quantification of single cells and their organelles. Conversely, LS yields considerable speed and phototoxicity gains in quantifying the 4D dynamics of gene-encoded fluorescent biomarkers. We will detail the system design that relied on spatial light interferometry for QPI and an accelerating Airy-beam light-sheet for fluorescence, its performance, as well as results of a representative multivariate imaging analysis of single-cell metabolism.
This Conference Presentation, Towards the experimental demonstration of topological Haldane lattice in microring laser arrays was recorded at Photonics West 2020 held in San Francisco, California, United States.
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