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Updated: Dec 25, 2025

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

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Published on: May 25, 2016

Lasing from an Organic Micro-Helix.

Chun-Lin Sun¹, Jun Li², Qi-Wei Song¹

¹State Key Laboratory of Applied Organic Chemistry (SKLAOC), Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China.

Angewandte Chemie (International Ed. in English)

|March 29, 2020

Summary

This summary is machine-generated.

Researchers developed the first organic nano-laser using micro-helix structures from an achiral molecule. These structures exhibit unique chiral properties, paving the way for novel photonic circuits.

Keywords:

chirality circularly polarized luminescence distyrylbenzene fluorescence organic laser

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Area of Science:

Materials Science
Optics
Organic Electronics

Background:

Organic solid-state semiconductor lasers are crucial for future photonic circuits.
Achieving organic lasers from 3D chiral structures remains a significant challenge.

Purpose of the Study:

To present the first example of an organic nano-laser utilizing micro-helix structures.
To explore the photonic properties and laser behavior of these novel chiral structures.

Main Methods:

Fabrication of highly regular micro-helixes with defined helicity from a distyrylbenzene derivative (HM-DSB).
Characterization using microscope spectrometers to analyze photonic properties.

Main Results:

Demonstrated helicity-dependent circularly polarized luminescence (CPL).
Observed periodic optical waveguiding and length-dependent amplified spontaneous emission (ASE).
Achieved laser behavior from the organic micro-helix structure.

Conclusions:

The study successfully created the first organic nano-laser from micro-helix structures of an achiral molecule.
These findings advance the understanding of morphology chirality in organic photonic materials.
Provides a new design strategy for developing chiral photonic circuits.