Abstract
AbstractDual‐color lasing generated and outcoupled controllably at microscale is crucial for the realization of highly integrated photonic devices. This work constructs a type of organic microdisk/microwire dual‐color laser heterostructures via a step‐by‐step directed molecular assembly strategy based on hydrogen‐bond‐assisted facet‐selective growth mechanism. The microdisk therein can act as high‐quality whispering‐gallery‐mode microcavity for blue lasing, while the interconnected wire functions as the Fabry–Pérot resonator to deliver green lasing. Moreover, the blue/green dual‐color lasing is simultaneously generated and controllably outcoupled from the tip of the wire, which provides a proof‐of‐concept trial for the flexible integration of microlasers with different wavelengths toward multiband photonic circuits.
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