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Bioprogrammable Lasers
Inspired by natural responsivity of biomaterials, in article number 2107809, Yu‐Cheng Chen and co‐workers demonstrate the first laser encoding by exploiting enzymatic hydrogels in a droplet cavity. The cover illustrates tunable lasing wavelengths achieved by manipulating biological activities and 3D networks in a microgel laser array. The biological encoded laser will provide...
Microscale laser emissions have emerged as a promising approach for information encoding and anti‐counterfeiting for their feature‐rich spectra and high sensitivity to the surrounding environment. Compared with artificial materials, natural responsive biomaterials enable a higher level of complexity and versatile ways for tailoring optical responses. However, precise control of lasing wavelengths...
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