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Related Experiment Video

Updated: Feb 10, 2026

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Published on: June 18, 2013

Vertically Emitting Indium Phosphide Nanowire Lasers.

Wei-Zong Xu^1,2,3, Fang-Fang Ren^1,2,3, Dimitars Jevtics⁴

¹Department of Electronic Materials Engineering, Research School of Physics and Engineering , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia.

|May 22, 2018

Summary

This summary is machine-generated.

New indium phosphide (InP) nanowire (NW) lasers integrated with cat

Keywords:

Nanowire lasers photonic integration plasmonic antennas vertical emission

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Area of Science:

Nanophotonics
Semiconductor Devices
Laser Technology

Background:

Semiconductor nanowire (NW) lasers offer potential for nanoscale photonic sources but suffer from poor directionality and high threshold gain.
Limitations hinder their application in compact, power-efficient on-chip light sources.

Purpose of the Study:

To design and demonstrate a vertically emitting indium phosphide (InP) nanowire (NW) laser with improved directionality and reduced energy requirements.
To enhance the performance of NW lasers for integrated nanophotonics.

Main Methods:

Integration of an InP NW within a cat's eye (CE) antenna structure.
Utilizing antenna properties like broken asymmetry, focusing ability, and high Q-factor.
Experimental demonstration of the InP CE-NW laser system.

Main Results:

Achieved high emission directionality and reduced lasing thresholds.
Demonstrated enhanced polarization, narrower emission angles, and improved internal quantum efficiency.
The InP CE-NW laser system exhibits superior performance compared to conventional NW lasers.

Conclusions:

The proposed InP CE-NW laser design significantly overcomes the limitations of traditional NW lasers.
This system represents a promising approach for high-performance nanoscale lasers.
Potential applications include localized light sources for advanced sensing, high-resolution imaging, and quantum communications.