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Updated: Sep 30, 2025

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

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Published on: February 25, 2017

Twin-nanofiber structure for a highly efficient single-photon collection.

Luqing Shao, Hao Wu, Wei Fang

|March 18, 2022

Summary

This summary is machine-generated.

Researchers developed a simple method to boost single-photon source efficiency using two parallel nanofibers. This approach achieves high coupling efficiency without complex nanofabrication, simplifying device creation.

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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Area of Science:

Quantum optics
Nanophotonics
Materials science

Background:

Optical nanofibers offer seamless integration with single-mode fibers for single-photon sources.
Nanostructure engraving can enhance light-matter interaction and single-photon collection efficiency.
Complex nanofabrication processes often introduce difficulties and optical losses.

Purpose of the Study:

To demonstrate a simpler method for achieving high single-photon coupling efficiency.
To investigate the feasibility of using a gap between two nanofibers to enhance photon collection.
To reduce fabrication complexities associated with nanostructure-engraved nanofibers.

Main Methods:

Placing a quantum emitter in the gap between two parallel optical nanofibers.
Utilizing numerical simulations to analyze photon coupling efficiency.
Investigating the sensitivity of the structure to variations in nanofiber radii.

Main Results:

Achieved a single-photon coupling efficiency of up to 54.2%.
Numerical simulations confirmed the high efficiency of the proposed structure.
Photon coupling efficiency demonstrated insensitivity to discrepancies in nanofiber radii.

Conclusions:

A simple two-nanofiber gap structure can significantly enhance single-photon coupling efficiency.
This method bypasses the need for complex nanofabrication, reducing fabrication challenges.
The proposed approach offers a practical and efficient solution for developing advanced single-photon sources.