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Updated: Feb 2, 2026

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

Published on: May 12, 2020

Organic field-effect optical waveguides.

Guangyao Zhao^1,2, Huanli Dong^3,4, Qing Liao⁵

¹Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.

Nature Communications

|November 17, 2018

Summary

This summary is machine-generated.

Researchers developed an organic integrated optoelectronic device, combining a field-effect transistor and optical waveguide. This innovation enables tunable optical waveguide propagation, paving the way for high-density, high-speed optoelectronic circuits.

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Area of Science:

Organic electronics
Optoelectronics
Materials science

Background:

Integrating electronics and photonics is crucial for advanced optoelectronic circuits.
Current challenges lie in merging diverse scientific and technological fields for device integration.

Purpose of the Study:

To demonstrate a novel organic integrated optoelectronic device combining field-effect transistor and optical waveguide functionalities.
To explore the tunability of optical waveguide propagation via electrical gating.

Main Methods:

Fabrication of an organic field-effect optical waveguide device.
Characterization of optical waveguide modulation by gate voltage.
Evaluation of the device's response to optical signals.

Main Results:

Achieved controllable optical waveguide modulation with depths of 70% (parallel) and 50% (perpendicular) to charge transport.
Demonstrated a photodependence ratio of up to 14800, showing optical control over field-effect.
Successfully integrated active transistor and waveguide functionalities in a single organic semiconductor.

Conclusions:

The developed organic field-effect optical waveguide represents a significant step towards scalable electronic-photonic integration.
This device architecture opens new avenues for creating compact and efficient optoelectronic circuits on a chip.