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Related Experiment Video

Updated: May 12, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Light-assisted, templated self-assembly using a photonic-crystal slab.

Eric Jaquay1, Luis Javier Martínez, Camilo A Mejia

  • 1Ming Hsieh Department of Electrical Engineering, University of Southern California, Los Angeles, California 90089, USA.

Nano Letters
|April 16, 2013
PubMed
Summary

We demonstrate light-assisted, templated self-assembly (LATS) using laser light to create optical traps. This technique enables the fabrication of reconfigurable colloidal structures with novel symmetries, overcoming limitations of traditional methods.

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Area of Science:

  • Photonics
  • Materials Science
  • Nanotechnology

Background:

  • Colloidal self-assembly is a key technique for fabricating ordered structures.
  • Traditional methods are often constrained by thermodynamic equilibrium and limited symmetry options.
  • Developing new methods for controlled assembly is crucial for advanced materials.

Purpose of the Study:

  • To experimentally demonstrate the novel technique of light-assisted, templated self-assembly (LATS).
  • To explore the capabilities of LATS in creating ordered structures with tunable symmetries.
  • To overcome the limitations of conventional colloidal self-assembly.

Main Methods:

  • Utilizing a photonic-crystal slab excited by 1.55 μm laser light.
  • Generating an array of optical traps through guided-resonance mode excitation.

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Related Experiment Videos

Last Updated: May 12, 2026

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
07:56

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

  • Assembling 520 nm diameter polystyrene particles into a square lattice with 860 nm spacing.

    • Main Results:

    • Successful experimental demonstration of the LATS technique.
    • Formation of a well-defined square lattice of polystyrene particles.
    • Achieved particle spacing of 860 nm, demonstrating precise control.
    • Showcased the ability to create structures with symmetries not achievable through traditional methods.

    Conclusions:

    • LATS is a viable technique for fabricating ordered colloidal structures.
    • The method allows for the creation of reconfigurable structures with diverse symmetries.
    • LATS offers a promising alternative to traditional self-assembly, enabling new material design possibilities.