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Updated: Apr 26, 2026

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape
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Distributed feedback imprinted electrospun fiber lasers.

Luana Persano1, Andrea Camposeo, Pompilio Del Carro

  • 1National Nanotechnology Laboratory of Istituto Nanoscienze-CNR, via Arnesano, I-73100, Lecce, Italy; Center for Biomolecular Nanotechnologies @UNILE, Istituto Italiano di Tecnologia, via Barsanti, I-73010, Arnesano, LE, Italy.

Advanced Materials (Deerfield Beach, Fla.)
|July 22, 2014
PubMed
Summary
This summary is machine-generated.

Researchers created tiny, efficient lasers on single polymer nanofibers using imprinted photonic crystals. This breakthrough offers new possibilities for miniaturized optical circuits and chips.

Keywords:
electrospinningnanofiber lasersnanopatterningpolymer fibers

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Area of Science:

  • Nanotechnology
  • Photonics
  • Materials Science

Background:

  • Conventional thin-film lasers face limitations in miniaturization and efficiency.
  • Developing micro- and nanoscale lasers is crucial for advanced optical applications.

Purpose of the Study:

  • To demonstrate imprinted, distributed feedback lasers on individual electrospun polymer nanofibers.
  • To explore the potential of nanoscale photonic structures for laser performance enhancement.

Main Methods:

  • Fabrication of active electrospun polymer nanofibers.
  • Imprinting of distributed feedback (DFB) grating nanopatterns onto nanofibers.
  • Characterization of laser performance, including threshold reduction.

Main Results:

  • Successful demonstration of DFB lasers on individual nanofibers.
  • Significant threshold reduction achieved due to optical confinement and nanopatterning.
  • Nanofiber lasers exhibit enhanced performance compared to conventional thin-film lasers.

Conclusions:

  • Imprinted DFB lasers on nanofibers offer advantages in miniaturization and efficiency.
  • Nanoscale grating imprinting enables significant threshold reduction.
  • This technology opens new avenues for integrated optical circuits and chips.