Optically-driven organic nano-step actuator for reconfigurable photonic circuits.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 40897713.
- Also identified by DOI 10.1038/s41467-025-63521-z and PMC identifier 12405551.
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Abstract
The assembling and reconfiguration of the integrated devices are of great importance to extend the capability of photonic chips based on top-down fabrication approaches. Here, we demonstrate a fully-programmable organic micro-actuator for precise manipulation of on-chip microstructures. Controlled by a low-power laser, the micro-actuator achieves a 30 nm motion step size, and shows the capability to traverse various chip substrates, overcome obstacles, and push microspheres to target locations. The micro-actuator is applied to fine-tune the microcavity and shift the resonance by three linewidths without compromising its quality factor. This optically-driven micro-actuator offers a unique approach for post-fabrication assembly and reconfiguration of photonic circuits, paving the way for adaptive, multifunctional photonic systems.